2024届高三英语语法复习：主语从句课件(共109张PPT)
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| 名称 | 2024届高三英语语法复习：主语从句课件(共109张PPT) |  | |
| 格式 | pptx | ||
| 文件大小 | 9.6MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 通用版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2023-11-27 23:29:31 | ||
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文档简介
(共109张PPT)
主语从句
主语从句的定义
主语从句引导词
it做形式主语的主语从句
导入
Sichuan, Guangdong, Zhejiang, Jiangsu, Anhui, Fujian, Shandong, Hunan Cuisine
情景引入
Chinese food can be roughly divided into eight regional cuisines:
情景引入
What impresses me most is Sichuan Cuisine.
令我印象最深刻的是四川美食。
情景引入
Which flavor people prefer varies from person to person.
人们喜欢的口味是因人而异的。
情景引入
Why people love one specific flavor also varies from person to person. 人们为什么喜欢吃不同口味的原因也是因人而异的。
be动词
实义动词
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
谓 语
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
请同学们观察红色卡片
里的是句子的什么成分
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
谓语动词前面的成分是主语。
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
主 语
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
还记得找出主语的步骤吗？
先找谓语动词，谓语动词前面的部分就是主语啦！
牛刀小试
在下列句子中找出主语从句
What makes Sichuan cuisine popular is its unique flavor.
Which degree of spiciness you choose depends on your own.
Who you eat hot pot with influences your choice of ordering non spicy, little spicy or very spicy food.
我好像明白了！
充当主语的句子
就是主语从句咯？
Bingo！在句子中充当主语的
从句就是主语从句。
你能告诉我，什么是主语从句呢？
语法探究
主句
从句
What makes Sichuan cuisine popular is its unique flavor.
What
引出主语从句
主语从句有点特别，
在句子前面什么词？
What 被称为主语从句的引导词！还有哪些引导词？
有which, who，how等！
探索发现
What
Which
Who
牛刀小试
在下列句子中找出主语从句，和引导词。
What makes Sichuan cuisine popular is its unique flavor.
Which degree of spiciness you choose depends on your own.
Who you eat hot pot with influences your choice of ordering non spicy, little spicy or very spicy food.
What makes Sichuan cuisine popular is its unique flavor.
1
让
四川
菜
受
欢迎
的
特质
是
它
自身
的
独特
风味
。
Which degree of spiciness you choose depends on your own.
2
你
选择
哪
一
种
程度
的
辣
取决于
你
自己
。
翻译练习
Who you eat hotpot with influences
your choice of ordering non spicy, little spicy or very spicy food.
3
你
跟
谁
一
起
吃
火
锅
影
响
着
你
点
不
辣
，
微
辣
或
是
特
辣
的
食
物
的
选
择
。
翻译练习
有意义的！需要翻译出
引导词的含义！
通过翻译句子，你发现
这些引导词有意义么？
语法探究
引导词在主语从句里
充当主语！
引导词在主语从句
里充当成份么？
语法探究
What makes Sichuan cuisine popular is its unique flavor.
1
让
四川
菜
受
欢迎
的
特质
是
它
自身
的
独特
风味
。
Which degree of spiciness you choose depends on your own.
2
你
选择
哪
一
种
程度
的
辣
取决于
你
自己
。
What
Which
主语
宾语
红色框内的引导词充当成份么？
翻译练习
Who you eat hotpot with influences
your choice of ordering non spicy, little spicy or very spicy food.
3
你
跟
谁
一
起
吃
火
锅
影
响
着
你
点
不
辣
，
微
辣
或
是
特
辣
的
食
物
的
选
择
。
红色框内的引导词充当成份么？
Who
宾语
引导词在主语从句里
充当主语或者宾语！
翻译练习
Yes！
所以你可以总结出
这几个引导词各
在什么时候现身吗？
语法探究
What
句子缺成分的时候使用，而且缺的成分是事物。
Who
句子缺成分的时候使用，而且缺的成分是人。
Which
句子缺成分的时候使用，一般是强调哪一个才会使用
语法秘籍
主语从句
What
Who
Which
引出主语从句
引导词在主语从句里充当主语或者宾语！
探索发现
2019年全国卷III短文改错改编
01
That
Which
答案：C What
句意 ：我想要的不只是一个普通的咖啡馆，而是一个非常特别的咖啡馆。
解析：该从句为主语从句。主语从句中缺少主语且表“something”，故用What。
More
More可点击
真题派送
_______ I want is not just an ordinary cafe but a very special one.
Whose
What
2023年全国乙卷完形填空改编
02
When
Which
More
More可点击
答案：C What
句意 ：我们发现，仅仅从外观来判断你吃的东西，这是不明智的。
解析：该从句为主语从句。主语从句中缺少宾语且表“事物”，故用What。
真题派送
_____ we discovered is that it’s unwise to judge what you eat only by its appearance.
That
What
Whatever food you choose should consider others’ food allergy.
Whichever food you order has its own cooking time.
Whoever love hot pot can have better socialization with friends.
你能找出主语从句和引导词吗？
Whatever
Whichever
Whoever
探索发现
Whatever food you choose should consider others’ food allergy.
1
Whichever food you order has its own cooking time.
2
无
论
你
选
择
什
么
事
物
都
应
该
考
虑
他
人
食
物
过
敏
的
情
况。
无
论
你
点
哪
一
种
食
物
都
有
它
对
应
的
烹
煮
时
间
。
翻译练习
Whoever love hot pot can have better socialization with friends.
3
无
论
是
谁
喜
欢
火
锅
都
可
以
与
朋
友
有
更
好
的
社
交
。
翻译练习
Whatever food you choose should consider others’ food allergy.
1
Whichever food you order has its own cooking time.
2
无
论
你
选
择
什
么
事
物
都
应
该
考
虑
他
人
食
物
过
敏
的
情
况。
无
论
你
点
哪
一
种
食
物
都
有
它
对
应
的
烹
煮
时
间
。
红色框内的引导词充当成份么？
Whatever
宾语
Whichever
宾语
翻译练习
Whoever love hot pot can have better socialization with friends.
3
无
论
是
谁
喜
欢
火
锅
都
可
以
与
朋
友
有
更
好
的
社
交
。
红色框内的引导词充当成份么？
Whoever
主语
翻译练习
都带有“无论...”
的含义！
你发现这些引导词
都有什么共同点？
语法探究
一样！
除了含义不同，用法和
不带有ever的引导词都一样吗？
语法探究
当从句里含有“无论，是否”的意思
是要用带ever的引导词，反之则不用！
那么什么时候用
有-ever的连接词，
什么时候不用呢？
语法探究
Whatever
句子缺表事物的成分且表“无论什么”
Whoever
句子缺表人的成分且表“无论是谁”
Whichever
句子缺成分，强调“无论哪个”
语法秘籍
主语从句
Whatever
Whoever
Whichever
引出主语从句
引导词在主语从句里充当主语或者宾语
且带有“无论”的含义。
探索发现
从句不完整，缺成分！
你发现了who/what/which(ever)
后面句子的特点了吗？
语法探究
Exactly! 这些特殊疑问词
在连接主语从句时，要充当成分
语法探究
Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.
whatever
whomever
More
More可点击
答案：B
解析：句意：每年，任何一个做出最漂亮的风筝的人将会在风筝节获奖。空格所在部分是主语从句，缺少主语，用连接代词，根据意思可知是人获奖，故排除AD。 因为需要做主语，只能用主格代词who，故选B。
牛刀小试
01
whoever
whichever
Your support is important to our work. ________ you can do helps.
However
Whatever
More
More可点击
答案：C
解析：句意：你的支持对我们的工作很重要。你做的任何事情都有帮助。本题考查主语从句。“you can do”为主语从句，该从句缺少宾语，且表示“任何事情”，故答案为Whatever(相当于Anything that )。
牛刀小试
02
Whoever
Wherever
03
Whoever
Wherever
More
More可点击
答案：C
解析：句意：你们中无论哪一个打破了窗户都要负责赔偿。本题考查主语从句。为主语从句，该从句缺少主语，此处指从you这一范围中做出，故填whichever表示无论哪一个。
牛刀小试
_______ one of you break the window will have to pay for it.
However
Whichever
That Cantonese dim sum contains a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
为什么有些句子用that引导，而有些
句子用what引导，它们有什么区别呢？
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
用红黄蓝分别标出从句的主谓宾
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
用红黄蓝分别标出从句的主谓宾
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
That
不做成分
What
宾语
方框内的引导词分别做什么成分？
探索发现
That：接一个完整的句子
What：要在从句中充当成分
想一想that和what
引导句子的区别是什么？
语法探究
But in this experiment _______ they’re doing is paying more attention to the big number than the little one.
答案： what
解析：句意 ：但是在这个实验中，他们正在做的事是更加关注大的那个数字而不是小的那个数字。该从句为主语从句。主语从句中缺少主语且表“事情"，故用what。
More
01
More可点击
(2019年全国卷III阅读理解改编）
what
真题派送
_____we understand things has a lot to do with what we feel.
More
02
More可点击
答案：How
解析：句意：我们如何理解事情与我们所感受的有很大关系。根据句意可知，主语从句缺少方式状语，因此填how。
How
牛刀小试
03
That
Which
答案：C
解析：句意 ：让这本书如此杰出的是作者富有创意的想象。该从句为主语从句。主语从句中缺少主语且表“物"，故用What
More
More可点击
牛刀小试
_______ makes the book so extraordinary is the creative imagination of the writer.
Whose
What
04
That
Which
答案：B
解析：从句完整，用that引导主语从句。
More
More可点击
牛刀小试
_________ prices of the internet-famous food will go up is certain.
Whose
What
除了that和特殊疑问词外
还有其他可以引导主语
从句的词吗？
探索发现
Whether Sweetheart Cake has a wife inside is a mystery to foreigners.
1
找出主语从句，并画出引导词。
Whether
Whether Baozai fan, rice steamed in clay pot, has a child inside is just a joke.
2
Whether
探索发现 Stop 2： Guangdong cuisine
Whether Sweetheart Cake has a wife inside
is a mystery to foreigners.
1
Whether Baozai fan, rice steamed in clay pot,
has a child inside is just a joke.
2
用红黄蓝分别标出从句的主谓宾
探索发现 Stop 2： Guangdong cuisine
Whether Sweetheart Cake has a wife inside
is a mystery to foreigners.
1
Whether Baozai fan, rice steamed in clay pot,
has a child inside is just a joke.
2
用红黄蓝分别标出从句的主谓宾
探索发现 Stop 2： Guangdong cuisine
从句不缺成分。
发现什么特点了？
语法探究
that !
跟哪个引导词用法一致？
语法探究
主语从句
Whether
引出主语从句
whether引导的主语从句不缺成分
探索发现
that：没有含义
whether：表示“是否”
that 和 whether
有什么区别吗？？
语法探究
01
When
Where
More
More可点击
答案：A. Whether
解析：他是否去那里已经决定了，主语从句中的or not 已经决定了这里是做选择，whether符合句意。
牛刀小试
_____ he will go there or not has been decided.
Whether
Which
02
When
Where
More
More可点击
答案：A. Whether
解析：还没有听说是否要下雨。空格处引导主语从句，与or not 连接有是否的含义，whether符合句意。
牛刀小试
_____ it will rain or not has not been heard.
Whether
Which
03
Whichever
Who
More
More可点击
答案：A That
解析：句意 ：你不喜欢这家餐厅和我没有关系。空格处引导主语从句，从句完整，that符合句意。
牛刀小试
__________ you don’t like the restaurant has nothing to do with me.
That
Whether
04
What
That
More
More可点击
答案：D. That
解析：句意 ：在现在的中国，女大学生找工作显得相当困难，空格处引导主语从句，从句完整，that符合句意。
牛刀小试
_________ female college graduates get a job appears to be rather difficult nowadays in China.
Why
Whether
Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.
whether
when
More
More可点击
答案：C
解析：考查主语从句的连接词。句意：准确的说，土豆是什么时候被传到欧洲的还不确定，但是可能在1565年左右。此处when引导主语从句并在从句中作主语。
牛刀小试
05
why
how
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
这两句话有共同点 / 不同点吗？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
句意相同，主语不同
第一个主语是句子
第二个主语是it
it做翻译吗？
如何理解？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
it不译，翻译的是
后面的that从句。
Great !
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
既然两句话一样，为什么还要it作主语这种形式呢？
有没有发现第一种
表达主语很长，看
了很久也不知道要
表达什么？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
嗯，确实，得先找到主句谓语才能看懂。
It作主语就很好地
解决了这个问题，
通过形式主语引
出句子逻辑，避
免头重脚轻。
大家来找茬
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
请同学们找出主语从句
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
请同学们找出主语从句
主语从句
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
来观察一下黄色卡片中
都是什么词性呢？
形容词
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
你能总结出以上
句型的规律吗？
形容词
It is
that + 主语从句
探索发现 Stop 3： Shandong Cuisine
(2018年福建龙岩五校期中语法填空改编)
01
how
which
More
More可点击
答案： C that
解析：句意 ：因此人们建议你应该珍惜、谨慎对待它们。“____________you should value and treat them with care”为主语从句，该从句不缺任何成分，故用that引导。
真题派送
Therefore, it is advisable ___________you should value and treat them with care.
what
that
(2022年全国卷I完形填空改编)
02
which
whether
More
More可点击
答案： D whether
解析：句意 ：他是否能获得第一名，不再重要。
。“____________ he won the first place or not”为主语从句，该从句不缺任何成分，表示“是否”，it为形式主语，故用whether引导。
真题派送
It was no more important ______ he won the first place or not.
as
that
Nine transfer large intestine
九转大肠
Naitang Typha
奶汤蒲菜
Sweet and sour carp
糖醋鲤鱼
请找出主语从句部分并画出引导词
It is common knowledge that Jinan style dishes contains various cooking methods like fry and roast.
that
形式主语
请找出主语从句部分并画出引导词
It is an honor that people use the idea from Confucius to cook -“eat no rice but is of the finest quality, nor meat but is finely minced.”（食不厌精，脍不厌细。）
that
Boiled Gingko
诗礼银杏
Go to court with child
带子上朝
Yipin Bean Curd
一品豆腐
形式主语
请找出主语从句部分并画出引导词
It is a fact that cooks of Jiaodong Cuisine are good at using seafood.
that
Steamed sea bream
清蒸加吉鱼
Braised abalone with shells
扒原壳鲍鱼
Fried conch
油爆海螺
形式主语
It is
a fact
that cooks of Jiaodong Cuisine are good at using seafood.
It is
an honor
that people use the idea from Confucius to cook –“eat no rice but is of the finest quality, nor meat but is finely minced.”
It is
common knowledge
that Jinan style dishes contains various cooking methods like fry and roast.
名词
请观察红色卡片里的都是什么词性的词？
形式主语
It is
a fact
that cooks of Jiaodong Cuisine are good at using seafood.
It is
an honor
that people use the idea from Confucius to cook –“eat no rice but is of the finest quality, nor meat but is finely minced.”
It is
common knowledge
that Jinan style dishes contains various cooking methods like fry and roast.
名词
你能总结出以下句型的规律吗？
It is
that + 主语从句
这样的名词有：
a fact, a surprise, a pity 等
形式主语
It’s no secret ______China has always been a source（来源）of inspiration for designers.
答案： that
解析：句意 ：这不是什么秘密，中国一直是设计师们的灵感来源。考查主语从句。本句中it为形式主语，“____China has always been a source of inspiration for designers” 为真正的主语， 该从句结构完整，故由that引导。
More
01
(2019年全国卷III阅读理解改编)
More可点击
that
真题派送
It was a great comfort ______ the original hole in the window was nowhere to be found.
答案： that
解析：句意 ：窗户上原来的洞无处可寻，这是一种极大的安慰。考查主语从句。本句中it为形式主语，“____the original hole in the window was nowhere to be found” 为真正的主语， 该从句结构完整，故由that引导。
More
02
(2023年浙江卷1月读后续写改编)
More可点击
that
真题派送
It
seems
that Shandong cuisine is an important part in Chinese cooking.
It
appears
that Shandong cuisine boasts a long history.
It
matters
that you enjoy various flavors of Shandong cuisine.
动 词
红色卡片中的都是什么词性呢？
形式主语
It
seems
that Shandong cuisine is an important part in Chinese cooking.
It
appears
that Shandong cuisine boasts a long history.
It
matters
that you enjoy various flavors of Shandong cuisine.
动 词
你能总结出以下句型的规律吗？
It
that + 主语从句
这样的动词有：happen, appear,
look, make, strike, occur 等
形式主语
It turns out _______ just looking at green, growing things can reduce stress, lower blood pressure and put people into a better mood（情绪）.
答案： that
解析：事实证明，仅仅看绿色，正在生长的东西就可以减轻压力，降低血压，让人们进入更好的情绪。it是形式主语，该从句为主语从句。主语从句中不缺任何成分，故用that.
More
01
More可点击
(2019年全国卷I七选五改编)
that
真题派送
It seemed _______ the runway was extremely long for young children, not to mention a child with a brain disease.
答案： that
解析：对于小孩子来说，跑道似乎非常长，更不用说一个患有脑部疾病的孩子了。根据It seemed that...”看起来...”句型，句意完整，不缺成分，可知这里需要一个that来引导主语从句。
More
02
More可点击
(2023年新课卷II完形填空改编 )
that
真题派送
It seems _______ TV programmes have helped change what people think about cooking.
答案： that
解析：看起来，电视节目帮助改变了人们对烹饪的看法。根据It seems that...“看起来...，似乎…”句型，可知这里需要一个that引导地主语从句。
More
03
More可点击
(2023年新课卷II完形填空改编 )
that
真题派送
It
is said
that Shandong cuisine is famous for the representative of north China cuisine.
It
was believed
that Shandong cuisine originated in the Qi and Lu areas in Spring-Autumn and Warring States Period.
It
is proved
that Shandong cuisine is formed in the Qin and Han dynasties.
be done
红色卡片中的都是什么结构呢？
形式主语
It
is said
that Shandong cuisine is famous for the representative of north China cuisine.
It
was believed
that Shandong cuisine originated in the Qi and Lu areas in Spring-Autumn and Warring States Period.
It
is proved
that Shandong cuisine is formed in the Qin and Han dynasties.
be done
观察主句谓语，你发现规律了吗？
It
that + 主语从句
这样的分词有：said, reported,
known, thought, decided 等
形式主语
(2023年北京卷阅读理解改编)
01
how
where
More
More可点击
答案：A that。句意：事实证明，人们对当下有偏见。只关注眼前利益，却牺牲了未来自己或社区的健康、福祉和财务稳定。
用It is + proved + that +主从的句型的变体。
真题派送
It has been proved ___________ people have a bias (偏向) towards the present, focusing on loud attractions in the moment at the expense of the health, well-being and financial stability of their future selves or community.
that
whether
2023年全国乙卷阅读理解改编
02
what
which
More
More可点击
答案： C that
句意：最近有报道称，坚持传统饮食的人数正在缓慢下降，大约一半的英国消费者希望以某种方式改变或改善他们的烹饪习惯。
解析：It is reported that... 固定句型。It做形式主语，真正的主语是that引导的主语从句。
模拟练习
It is recently reported________ the number of those sticking to a traditional diet is slowly declining and around half of Britain’s consumers would like to change or improve their cooking in some way.
as
that
It
动词
从句
It is
名词
从句
It is
形容词
从句
分词
从句
四种it做形式主语的名词性从句
It is/was
让我们一起来总结一下吧！
形式主语
含义：在句子中充当主语的句子就是主语从句。
that
默默守候的连词
表是否: whether
表时间:when
从句完整
表地点:where
默默守候的连接副词
表原因:why
表方式:how
人:who/whom/whose
主语从句
需要补充成分时
事物:what
哪一个:which
乐于参与的连接代词
从句不完整
whatever
需要补充成分+表“无论”时
whoever
whichever
It is +形容词+ that+主从
It is +名词+ that +主从
it做形式主语的句型
It+动词+ that + 主从
It +be +分词+主从
解题秘籍
______I want to tell you is the deep love and respect I have for my parents.
What
That
More
More可点击
答案：A
解析：句意：我想告诉你的是我对父母的深爱和敬重。考查what引导的主语从句，因为主语从句中缺宾语且表示物，所以填What。
单项选择
01
How
Why
Some people believe ______ has happened before now will repeat itself in the future.
what
why
More
More可点击
答案：B
解析：句意：一些人认为无论以前发生过的事情还是现在正在发生的事情都会在将来重复出现。通过分析可知“has happened before or is happening now”作believe后的并与从句的主语，根据句意和成分分析，本空应填whatever(任何...的事情)来引导主语从句。
单项选择
02
whatever
how
_________the delayed flight will take off depends much on the weather.
More
03
More可点击
When/
Whether
答案：When/Whether
句意：延迟的航班什么时间起飞主要取决于天气状况。/延迟的航班是否起飞主要取决于天气状况。
解析：通过分析句子结构可知，本句是含主语从句的复合句。根据句意可填When或者Whether。
填空题
I think _______ impresses me about his painting is the colors he uses.
答案：what
解析：句意：我认为他的画使我印象深刻的是他对色彩的使用。根据分析可知在主语从句 impresses me about his painting中，所缺的词作主语且表示“物"，所以填what。
More
04
More可点击
what
填空题
As students，which we can repay our mothers is to spare no effort to study hard.
It’s a great pity what we won’t be able to finish the task on time.
That is known to us that respect for one’s parents is one of Chinese traditional moral values.
what
that
It
which → what 解析：分析句子结构可知，逗号后至is前的部分为主语从句，引导词在从句中作repay的宾语，指“什么”，应用what引导。故将which改为what。
what → that 解析： It作形式主语，真正的主语为that引导的从句。
That → It 解析：It is known to us that...为固定句式，表示“我们都知道，众所周知”，其中It为形式主语，that引导的主语从句为真正的主语，故将That改为It。
More
More可点击
单句改错
01
02
03
(2019年全国卷I任务型阅读改编)
____________you need is a great teacher who lets you make mistakes.
More
01
More可点击
What
答案： What
解析：句意 ：你需要的是一个能允许你犯错的好老师。设空处引导主语从句，且在从句中作宾语，表示事物，所以用What。
真题派送
(2022年北京卷阅读理解改编）
Johnson wrote, “________ is new is that millions of dollars are now potentially available to quantum computing researchers.”
More
02
More可点击
what
答案：What
句意：约翰逊写道：“新的情况是，现在量子计算研究人员有可能获得数百万美元。”
解析：What 引导主语从句，从句中缺主语，表示“事情，事件”。
真题派送
(2023年全国乙卷阅读理解改编)
It is calculated ________ European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure.
More
03
More可点击
that
答案：that
句意：据计算，仅欧洲铁路公司每年在维护上花费约200亿欧元，包括通常在夜间，派遣维修人员，来检查和维修铁路基础设施。
解析：it做形式主语，引导it is+Ved.+that的主语从句，that后是真正的主语。
真题派送
Can you use what we learn today to introduce your favorite cuisine
You may use these given sentence structure in subject clause.
That / Whether…+ be that….
What attracts me most is that…
Who … must have a try on…
Why I have a preference for… lies in…
When… can be the best season to eat …
交际任务
What attracts me most is that Sichuan cuisine is famous for its special flavor. Why I have a preference for it lies in its exciting taste. Who prefers exciting taste must have a try on it. Whether you like it or not depends on the fact whether you can adapt to its spiciness. When you feel cold in winter, it can be the best season to eat hot pot.
参考答案
假定你是李华，你的外国朋友Peter一直对中国美食很感兴趣，请你写一封信邀请他参加你们城市即将举行的中国美食文化节，内容包括:
1.写信目的 ；
2.活动时间 ；
3.你推荐的美食及原因（use some subjective clauses）。
注意：1.词数100左右； 2.可以适当增加细节，使行文连贯。
写作任务
翻译下列的句子,找出主语从句和引导词。
我知道您对中国传统菜系非常感兴趣，所以我竭诚邀请您参加计划在我市举行的中国传统美食节。
我最推荐的是川菜，八大菜系中的一个重要分支。
众所周知，川菜有其独特的风味。
我想知道，您是否方便来做客。
备用句式
that
What
Having known that you have great interest in traditional Chinese cuisines, I’m sincere to invite you to participate in the traditional Chinese Food Festival, which is scheduled to be held in our city.
What I recommend most is Sichuan cuisine, an important branch in the eight regional cuisines.
It is well known that Sichuan cuisine is characterized by its unique flavor.
I am wondering whether it is convenient for you to be our guest.
备用句式
Dear Peter,
How is everything Having known that you have great interest in traditional Chinese cuisines, I’m sincere to invite you to participate in the traditional Chinese Food Festival, which is scheduled to be held in our city.
参考范文
The Festival, meant to enhance the awareness of the traditional culture, is arranged to be held in the park from 9 a.m. to 5 p.m. on November 30th. There are a variety of cuisines, ranging from Shandong cuisine to Sichuan cuisine. What I recommend most is Sichuan cuisine, an important branch in the eight regional cuisines. It is well known that Sichuan cuisine is characterized by its unique flavor. I am wondering whether it is convenient for you to be our guest.
Looking forward to your reply.
Yours,
Li Hua
参考范文
感谢观看
thank you
主语从句
主语从句的定义
主语从句引导词
it做形式主语的主语从句
导入
Sichuan, Guangdong, Zhejiang, Jiangsu, Anhui, Fujian, Shandong, Hunan Cuisine
情景引入
Chinese food can be roughly divided into eight regional cuisines:
情景引入
What impresses me most is Sichuan Cuisine.
令我印象最深刻的是四川美食。
情景引入
Which flavor people prefer varies from person to person.
人们喜欢的口味是因人而异的。
情景引入
Why people love one specific flavor also varies from person to person. 人们为什么喜欢吃不同口味的原因也是因人而异的。
be动词
实义动词
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
谓 语
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
请同学们观察红色卡片
里的是句子的什么成分
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
谓语动词前面的成分是主语。
is
depends on
is
hot pot .
its use of chili.
the typical exciting taste.
主 语
探索发现 Stop 1：Sichuan cuisine
What ranks first in Sichuan cuisine
Whether Sichuan cuisine is yummy
Why people are so crazy about Sichuan cuisine
还记得找出主语的步骤吗？
先找谓语动词，谓语动词前面的部分就是主语啦！
牛刀小试
在下列句子中找出主语从句
What makes Sichuan cuisine popular is its unique flavor.
Which degree of spiciness you choose depends on your own.
Who you eat hot pot with influences your choice of ordering non spicy, little spicy or very spicy food.
我好像明白了！
充当主语的句子
就是主语从句咯？
Bingo！在句子中充当主语的
从句就是主语从句。
你能告诉我，什么是主语从句呢？
语法探究
主句
从句
What makes Sichuan cuisine popular is its unique flavor.
What
引出主语从句
主语从句有点特别，
在句子前面什么词？
What 被称为主语从句的引导词！还有哪些引导词？
有which, who，how等！
探索发现
What
Which
Who
牛刀小试
在下列句子中找出主语从句，和引导词。
What makes Sichuan cuisine popular is its unique flavor.
Which degree of spiciness you choose depends on your own.
Who you eat hot pot with influences your choice of ordering non spicy, little spicy or very spicy food.
What makes Sichuan cuisine popular is its unique flavor.
1
让
四川
菜
受
欢迎
的
特质
是
它
自身
的
独特
风味
。
Which degree of spiciness you choose depends on your own.
2
你
选择
哪
一
种
程度
的
辣
取决于
你
自己
。
翻译练习
Who you eat hotpot with influences
your choice of ordering non spicy, little spicy or very spicy food.
3
你
跟
谁
一
起
吃
火
锅
影
响
着
你
点
不
辣
，
微
辣
或
是
特
辣
的
食
物
的
选
择
。
翻译练习
有意义的！需要翻译出
引导词的含义！
通过翻译句子，你发现
这些引导词有意义么？
语法探究
引导词在主语从句里
充当主语！
引导词在主语从句
里充当成份么？
语法探究
What makes Sichuan cuisine popular is its unique flavor.
1
让
四川
菜
受
欢迎
的
特质
是
它
自身
的
独特
风味
。
Which degree of spiciness you choose depends on your own.
2
你
选择
哪
一
种
程度
的
辣
取决于
你
自己
。
What
Which
主语
宾语
红色框内的引导词充当成份么？
翻译练习
Who you eat hotpot with influences
your choice of ordering non spicy, little spicy or very spicy food.
3
你
跟
谁
一
起
吃
火
锅
影
响
着
你
点
不
辣
，
微
辣
或
是
特
辣
的
食
物
的
选
择
。
红色框内的引导词充当成份么？
Who
宾语
引导词在主语从句里
充当主语或者宾语！
翻译练习
Yes！
所以你可以总结出
这几个引导词各
在什么时候现身吗？
语法探究
What
句子缺成分的时候使用，而且缺的成分是事物。
Who
句子缺成分的时候使用，而且缺的成分是人。
Which
句子缺成分的时候使用，一般是强调哪一个才会使用
语法秘籍
主语从句
What
Who
Which
引出主语从句
引导词在主语从句里充当主语或者宾语！
探索发现
2019年全国卷III短文改错改编
01
That
Which
答案：C What
句意 ：我想要的不只是一个普通的咖啡馆，而是一个非常特别的咖啡馆。
解析：该从句为主语从句。主语从句中缺少主语且表“something”，故用What。
More
More可点击
真题派送
_______ I want is not just an ordinary cafe but a very special one.
Whose
What
2023年全国乙卷完形填空改编
02
When
Which
More
More可点击
答案：C What
句意 ：我们发现，仅仅从外观来判断你吃的东西，这是不明智的。
解析：该从句为主语从句。主语从句中缺少宾语且表“事物”，故用What。
真题派送
_____ we discovered is that it’s unwise to judge what you eat only by its appearance.
That
What
Whatever food you choose should consider others’ food allergy.
Whichever food you order has its own cooking time.
Whoever love hot pot can have better socialization with friends.
你能找出主语从句和引导词吗？
Whatever
Whichever
Whoever
探索发现
Whatever food you choose should consider others’ food allergy.
1
Whichever food you order has its own cooking time.
2
无
论
你
选
择
什
么
事
物
都
应
该
考
虑
他
人
食
物
过
敏
的
情
况。
无
论
你
点
哪
一
种
食
物
都
有
它
对
应
的
烹
煮
时
间
。
翻译练习
Whoever love hot pot can have better socialization with friends.
3
无
论
是
谁
喜
欢
火
锅
都
可
以
与
朋
友
有
更
好
的
社
交
。
翻译练习
Whatever food you choose should consider others’ food allergy.
1
Whichever food you order has its own cooking time.
2
无
论
你
选
择
什
么
事
物
都
应
该
考
虑
他
人
食
物
过
敏
的
情
况。
无
论
你
点
哪
一
种
食
物
都
有
它
对
应
的
烹
煮
时
间
。
红色框内的引导词充当成份么？
Whatever
宾语
Whichever
宾语
翻译练习
Whoever love hot pot can have better socialization with friends.
3
无
论
是
谁
喜
欢
火
锅
都
可
以
与
朋
友
有
更
好
的
社
交
。
红色框内的引导词充当成份么？
Whoever
主语
翻译练习
都带有“无论...”
的含义！
你发现这些引导词
都有什么共同点？
语法探究
一样！
除了含义不同，用法和
不带有ever的引导词都一样吗？
语法探究
当从句里含有“无论，是否”的意思
是要用带ever的引导词，反之则不用！
那么什么时候用
有-ever的连接词，
什么时候不用呢？
语法探究
Whatever
句子缺表事物的成分且表“无论什么”
Whoever
句子缺表人的成分且表“无论是谁”
Whichever
句子缺成分，强调“无论哪个”
语法秘籍
主语从句
Whatever
Whoever
Whichever
引出主语从句
引导词在主语从句里充当主语或者宾语
且带有“无论”的含义。
探索发现
从句不完整，缺成分！
你发现了who/what/which(ever)
后面句子的特点了吗？
语法探究
Exactly! 这些特殊疑问词
在连接主语从句时，要充当成分
语法探究
Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.
whatever
whomever
More
More可点击
答案：B
解析：句意：每年，任何一个做出最漂亮的风筝的人将会在风筝节获奖。空格所在部分是主语从句，缺少主语，用连接代词，根据意思可知是人获奖，故排除AD。 因为需要做主语，只能用主格代词who，故选B。
牛刀小试
01
whoever
whichever
Your support is important to our work. ________ you can do helps.
However
Whatever
More
More可点击
答案：C
解析：句意：你的支持对我们的工作很重要。你做的任何事情都有帮助。本题考查主语从句。“you can do”为主语从句，该从句缺少宾语，且表示“任何事情”，故答案为Whatever(相当于Anything that )。
牛刀小试
02
Whoever
Wherever
03
Whoever
Wherever
More
More可点击
答案：C
解析：句意：你们中无论哪一个打破了窗户都要负责赔偿。本题考查主语从句。为主语从句，该从句缺少主语，此处指从you这一范围中做出，故填whichever表示无论哪一个。
牛刀小试
_______ one of you break the window will have to pay for it.
However
Whichever
That Cantonese dim sum contains a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
为什么有些句子用that引导，而有些
句子用what引导，它们有什么区别呢？
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
用红黄蓝分别标出从句的主谓宾
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
用红黄蓝分别标出从句的主谓宾
探索发现
That Cantonese dim sum contains
a wide range of choices is known to all.
What elder citizens enjoy can be chatting with each other with one cup of tea and several sets of dim sum.
That
不做成分
What
宾语
方框内的引导词分别做什么成分？
探索发现
That：接一个完整的句子
What：要在从句中充当成分
想一想that和what
引导句子的区别是什么？
语法探究
But in this experiment _______ they’re doing is paying more attention to the big number than the little one.
答案： what
解析：句意 ：但是在这个实验中，他们正在做的事是更加关注大的那个数字而不是小的那个数字。该从句为主语从句。主语从句中缺少主语且表“事情"，故用what。
More
01
More可点击
(2019年全国卷III阅读理解改编）
what
真题派送
_____we understand things has a lot to do with what we feel.
More
02
More可点击
答案：How
解析：句意：我们如何理解事情与我们所感受的有很大关系。根据句意可知，主语从句缺少方式状语，因此填how。
How
牛刀小试
03
That
Which
答案：C
解析：句意 ：让这本书如此杰出的是作者富有创意的想象。该从句为主语从句。主语从句中缺少主语且表“物"，故用What
More
More可点击
牛刀小试
_______ makes the book so extraordinary is the creative imagination of the writer.
Whose
What
04
That
Which
答案：B
解析：从句完整，用that引导主语从句。
More
More可点击
牛刀小试
_________ prices of the internet-famous food will go up is certain.
Whose
What
除了that和特殊疑问词外
还有其他可以引导主语
从句的词吗？
探索发现
Whether Sweetheart Cake has a wife inside is a mystery to foreigners.
1
找出主语从句，并画出引导词。
Whether
Whether Baozai fan, rice steamed in clay pot, has a child inside is just a joke.
2
Whether
探索发现 Stop 2： Guangdong cuisine
Whether Sweetheart Cake has a wife inside
is a mystery to foreigners.
1
Whether Baozai fan, rice steamed in clay pot,
has a child inside is just a joke.
2
用红黄蓝分别标出从句的主谓宾
探索发现 Stop 2： Guangdong cuisine
Whether Sweetheart Cake has a wife inside
is a mystery to foreigners.
1
Whether Baozai fan, rice steamed in clay pot,
has a child inside is just a joke.
2
用红黄蓝分别标出从句的主谓宾
探索发现 Stop 2： Guangdong cuisine
从句不缺成分。
发现什么特点了？
语法探究
that !
跟哪个引导词用法一致？
语法探究
主语从句
Whether
引出主语从句
whether引导的主语从句不缺成分
探索发现
that：没有含义
whether：表示“是否”
that 和 whether
有什么区别吗？？
语法探究
01
When
Where
More
More可点击
答案：A. Whether
解析：他是否去那里已经决定了，主语从句中的or not 已经决定了这里是做选择，whether符合句意。
牛刀小试
_____ he will go there or not has been decided.
Whether
Which
02
When
Where
More
More可点击
答案：A. Whether
解析：还没有听说是否要下雨。空格处引导主语从句，与or not 连接有是否的含义，whether符合句意。
牛刀小试
_____ it will rain or not has not been heard.
Whether
Which
03
Whichever
Who
More
More可点击
答案：A That
解析：句意 ：你不喜欢这家餐厅和我没有关系。空格处引导主语从句，从句完整，that符合句意。
牛刀小试
__________ you don’t like the restaurant has nothing to do with me.
That
Whether
04
What
That
More
More可点击
答案：D. That
解析：句意 ：在现在的中国，女大学生找工作显得相当困难，空格处引导主语从句，从句完整，that符合句意。
牛刀小试
_________ female college graduates get a job appears to be rather difficult nowadays in China.
Why
Whether
Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.
whether
when
More
More可点击
答案：C
解析：考查主语从句的连接词。句意：准确的说，土豆是什么时候被传到欧洲的还不确定，但是可能在1565年左右。此处when引导主语从句并在从句中作主语。
牛刀小试
05
why
how
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
这两句话有共同点 / 不同点吗？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
句意相同，主语不同
第一个主语是句子
第二个主语是it
it做翻译吗？
如何理解？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
it不译，翻译的是
后面的that从句。
Great !
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
既然两句话一样，为什么还要it作主语这种形式呢？
有没有发现第一种
表达主语很长，看
了很久也不知道要
表达什么？
大家来找茬
That the streets are crowded with foodies is very common.
It is common that the streets are crowded with foodies.
嗯，确实，得先找到主句谓语才能看懂。
It作主语就很好地
解决了这个问题，
通过形式主语引
出句子逻辑，避
免头重脚轻。
大家来找茬
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
请同学们找出主语从句
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
请同学们找出主语从句
主语从句
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
来观察一下黄色卡片中
都是什么词性呢？
形容词
探索发现 Stop 3： Shandong Cuisine
It is true that Shandong Cuisine has three main branches of dishes.
It is common that Shandong Cuisine makes use of raw materials like seafood.
It is obvious that its features are typical in crispness, tenderness and freshness.
你能总结出以上
句型的规律吗？
形容词
It is
that + 主语从句
探索发现 Stop 3： Shandong Cuisine
(2018年福建龙岩五校期中语法填空改编)
01
how
which
More
More可点击
答案： C that
解析：句意 ：因此人们建议你应该珍惜、谨慎对待它们。“____________you should value and treat them with care”为主语从句，该从句不缺任何成分，故用that引导。
真题派送
Therefore, it is advisable ___________you should value and treat them with care.
what
that
(2022年全国卷I完形填空改编)
02
which
whether
More
More可点击
答案： D whether
解析：句意 ：他是否能获得第一名，不再重要。
。“____________ he won the first place or not”为主语从句，该从句不缺任何成分，表示“是否”，it为形式主语，故用whether引导。
真题派送
It was no more important ______ he won the first place or not.
as
that
Nine transfer large intestine
九转大肠
Naitang Typha
奶汤蒲菜
Sweet and sour carp
糖醋鲤鱼
请找出主语从句部分并画出引导词
It is common knowledge that Jinan style dishes contains various cooking methods like fry and roast.
that
形式主语
请找出主语从句部分并画出引导词
It is an honor that people use the idea from Confucius to cook -“eat no rice but is of the finest quality, nor meat but is finely minced.”（食不厌精，脍不厌细。）
that
Boiled Gingko
诗礼银杏
Go to court with child
带子上朝
Yipin Bean Curd
一品豆腐
形式主语
请找出主语从句部分并画出引导词
It is a fact that cooks of Jiaodong Cuisine are good at using seafood.
that
Steamed sea bream
清蒸加吉鱼
Braised abalone with shells
扒原壳鲍鱼
Fried conch
油爆海螺
形式主语
It is
a fact
that cooks of Jiaodong Cuisine are good at using seafood.
It is
an honor
that people use the idea from Confucius to cook –“eat no rice but is of the finest quality, nor meat but is finely minced.”
It is
common knowledge
that Jinan style dishes contains various cooking methods like fry and roast.
名词
请观察红色卡片里的都是什么词性的词？
形式主语
It is
a fact
that cooks of Jiaodong Cuisine are good at using seafood.
It is
an honor
that people use the idea from Confucius to cook –“eat no rice but is of the finest quality, nor meat but is finely minced.”
It is
common knowledge
that Jinan style dishes contains various cooking methods like fry and roast.
名词
你能总结出以下句型的规律吗？
It is
that + 主语从句
这样的名词有：
a fact, a surprise, a pity 等
形式主语
It’s no secret ______China has always been a source（来源）of inspiration for designers.
答案： that
解析：句意 ：这不是什么秘密，中国一直是设计师们的灵感来源。考查主语从句。本句中it为形式主语，“____China has always been a source of inspiration for designers” 为真正的主语， 该从句结构完整，故由that引导。
More
01
(2019年全国卷III阅读理解改编)
More可点击
that
真题派送
It was a great comfort ______ the original hole in the window was nowhere to be found.
答案： that
解析：句意 ：窗户上原来的洞无处可寻，这是一种极大的安慰。考查主语从句。本句中it为形式主语，“____the original hole in the window was nowhere to be found” 为真正的主语， 该从句结构完整，故由that引导。
More
02
(2023年浙江卷1月读后续写改编)
More可点击
that
真题派送
It
seems
that Shandong cuisine is an important part in Chinese cooking.
It
appears
that Shandong cuisine boasts a long history.
It
matters
that you enjoy various flavors of Shandong cuisine.
动 词
红色卡片中的都是什么词性呢？
形式主语
It
seems
that Shandong cuisine is an important part in Chinese cooking.
It
appears
that Shandong cuisine boasts a long history.
It
matters
that you enjoy various flavors of Shandong cuisine.
动 词
你能总结出以下句型的规律吗？
It
that + 主语从句
这样的动词有：happen, appear,
look, make, strike, occur 等
形式主语
It turns out _______ just looking at green, growing things can reduce stress, lower blood pressure and put people into a better mood（情绪）.
答案： that
解析：事实证明，仅仅看绿色，正在生长的东西就可以减轻压力，降低血压，让人们进入更好的情绪。it是形式主语，该从句为主语从句。主语从句中不缺任何成分，故用that.
More
01
More可点击
(2019年全国卷I七选五改编)
that
真题派送
It seemed _______ the runway was extremely long for young children, not to mention a child with a brain disease.
答案： that
解析：对于小孩子来说，跑道似乎非常长，更不用说一个患有脑部疾病的孩子了。根据It seemed that...”看起来...”句型，句意完整，不缺成分，可知这里需要一个that来引导主语从句。
More
02
More可点击
(2023年新课卷II完形填空改编 )
that
真题派送
It seems _______ TV programmes have helped change what people think about cooking.
答案： that
解析：看起来，电视节目帮助改变了人们对烹饪的看法。根据It seems that...“看起来...，似乎…”句型，可知这里需要一个that引导地主语从句。
More
03
More可点击
(2023年新课卷II完形填空改编 )
that
真题派送
It
is said
that Shandong cuisine is famous for the representative of north China cuisine.
It
was believed
that Shandong cuisine originated in the Qi and Lu areas in Spring-Autumn and Warring States Period.
It
is proved
that Shandong cuisine is formed in the Qin and Han dynasties.
be done
红色卡片中的都是什么结构呢？
形式主语
It
is said
that Shandong cuisine is famous for the representative of north China cuisine.
It
was believed
that Shandong cuisine originated in the Qi and Lu areas in Spring-Autumn and Warring States Period.
It
is proved
that Shandong cuisine is formed in the Qin and Han dynasties.
be done
观察主句谓语，你发现规律了吗？
It
that + 主语从句
这样的分词有：said, reported,
known, thought, decided 等
形式主语
(2023年北京卷阅读理解改编)
01
how
where
More
More可点击
答案：A that。句意：事实证明，人们对当下有偏见。只关注眼前利益，却牺牲了未来自己或社区的健康、福祉和财务稳定。
用It is + proved + that +主从的句型的变体。
真题派送
It has been proved ___________ people have a bias (偏向) towards the present, focusing on loud attractions in the moment at the expense of the health, well-being and financial stability of their future selves or community.
that
whether
2023年全国乙卷阅读理解改编
02
what
which
More
More可点击
答案： C that
句意：最近有报道称，坚持传统饮食的人数正在缓慢下降，大约一半的英国消费者希望以某种方式改变或改善他们的烹饪习惯。
解析：It is reported that... 固定句型。It做形式主语，真正的主语是that引导的主语从句。
模拟练习
It is recently reported________ the number of those sticking to a traditional diet is slowly declining and around half of Britain’s consumers would like to change or improve their cooking in some way.
as
that
It
动词
从句
It is
名词
从句
It is
形容词
从句
分词
从句
四种it做形式主语的名词性从句
It is/was
让我们一起来总结一下吧！
形式主语
含义：在句子中充当主语的句子就是主语从句。
that
默默守候的连词
表是否: whether
表时间:when
从句完整
表地点:where
默默守候的连接副词
表原因:why
表方式:how
人:who/whom/whose
主语从句
需要补充成分时
事物:what
哪一个:which
乐于参与的连接代词
从句不完整
whatever
需要补充成分+表“无论”时
whoever
whichever
It is +形容词+ that+主从
It is +名词+ that +主从
it做形式主语的句型
It+动词+ that + 主从
It +be +分词+主从
解题秘籍
______I want to tell you is the deep love and respect I have for my parents.
What
That
More
More可点击
答案：A
解析：句意：我想告诉你的是我对父母的深爱和敬重。考查what引导的主语从句，因为主语从句中缺宾语且表示物，所以填What。
单项选择
01
How
Why
Some people believe ______ has happened before now will repeat itself in the future.
what
why
More
More可点击
答案：B
解析：句意：一些人认为无论以前发生过的事情还是现在正在发生的事情都会在将来重复出现。通过分析可知“has happened before or is happening now”作believe后的并与从句的主语，根据句意和成分分析，本空应填whatever(任何...的事情)来引导主语从句。
单项选择
02
whatever
how
_________the delayed flight will take off depends much on the weather.
More
03
More可点击
When/
Whether
答案：When/Whether
句意：延迟的航班什么时间起飞主要取决于天气状况。/延迟的航班是否起飞主要取决于天气状况。
解析：通过分析句子结构可知，本句是含主语从句的复合句。根据句意可填When或者Whether。
填空题
I think _______ impresses me about his painting is the colors he uses.
答案：what
解析：句意：我认为他的画使我印象深刻的是他对色彩的使用。根据分析可知在主语从句 impresses me about his painting中，所缺的词作主语且表示“物"，所以填what。
More
04
More可点击
what
填空题
As students，which we can repay our mothers is to spare no effort to study hard.
It’s a great pity what we won’t be able to finish the task on time.
That is known to us that respect for one’s parents is one of Chinese traditional moral values.
what
that
It
which → what 解析：分析句子结构可知，逗号后至is前的部分为主语从句，引导词在从句中作repay的宾语，指“什么”，应用what引导。故将which改为what。
what → that 解析： It作形式主语，真正的主语为that引导的从句。
That → It 解析：It is known to us that...为固定句式，表示“我们都知道，众所周知”，其中It为形式主语，that引导的主语从句为真正的主语，故将That改为It。
More
More可点击
单句改错
01
02
03
(2019年全国卷I任务型阅读改编)
____________you need is a great teacher who lets you make mistakes.
More
01
More可点击
What
答案： What
解析：句意 ：你需要的是一个能允许你犯错的好老师。设空处引导主语从句，且在从句中作宾语，表示事物，所以用What。
真题派送
(2022年北京卷阅读理解改编）
Johnson wrote, “________ is new is that millions of dollars are now potentially available to quantum computing researchers.”
More
02
More可点击
what
答案：What
句意：约翰逊写道：“新的情况是，现在量子计算研究人员有可能获得数百万美元。”
解析：What 引导主语从句，从句中缺主语，表示“事情，事件”。
真题派送
(2023年全国乙卷阅读理解改编)
It is calculated ________ European railways alone spend approximately 20 billion euros a year on maintenance, including sending maintenance staff, often at night, to inspect and repair the rail infrastructure.
More
03
More可点击
that
答案：that
句意：据计算，仅欧洲铁路公司每年在维护上花费约200亿欧元，包括通常在夜间，派遣维修人员，来检查和维修铁路基础设施。
解析：it做形式主语，引导it is+Ved.+that的主语从句，that后是真正的主语。
真题派送
Can you use what we learn today to introduce your favorite cuisine
You may use these given sentence structure in subject clause.
That / Whether…+ be that….
What attracts me most is that…
Who … must have a try on…
Why I have a preference for… lies in…
When… can be the best season to eat …
交际任务
What attracts me most is that Sichuan cuisine is famous for its special flavor. Why I have a preference for it lies in its exciting taste. Who prefers exciting taste must have a try on it. Whether you like it or not depends on the fact whether you can adapt to its spiciness. When you feel cold in winter, it can be the best season to eat hot pot.
参考答案
假定你是李华，你的外国朋友Peter一直对中国美食很感兴趣，请你写一封信邀请他参加你们城市即将举行的中国美食文化节，内容包括:
1.写信目的 ；
2.活动时间 ；
3.你推荐的美食及原因（use some subjective clauses）。
注意：1.词数100左右； 2.可以适当增加细节，使行文连贯。
写作任务
翻译下列的句子,找出主语从句和引导词。
我知道您对中国传统菜系非常感兴趣，所以我竭诚邀请您参加计划在我市举行的中国传统美食节。
我最推荐的是川菜，八大菜系中的一个重要分支。
众所周知，川菜有其独特的风味。
我想知道，您是否方便来做客。
备用句式
that
What
Having known that you have great interest in traditional Chinese cuisines, I’m sincere to invite you to participate in the traditional Chinese Food Festival, which is scheduled to be held in our city.
What I recommend most is Sichuan cuisine, an important branch in the eight regional cuisines.
It is well known that Sichuan cuisine is characterized by its unique flavor.
I am wondering whether it is convenient for you to be our guest.
备用句式
Dear Peter,
How is everything Having known that you have great interest in traditional Chinese cuisines, I’m sincere to invite you to participate in the traditional Chinese Food Festival, which is scheduled to be held in our city.
参考范文
The Festival, meant to enhance the awareness of the traditional culture, is arranged to be held in the park from 9 a.m. to 5 p.m. on November 30th. There are a variety of cuisines, ranging from Shandong cuisine to Sichuan cuisine. What I recommend most is Sichuan cuisine, an important branch in the eight regional cuisines. It is well known that Sichuan cuisine is characterized by its unique flavor. I am wondering whether it is convenient for you to be our guest.
Looking forward to your reply.
Yours,
Li Hua
参考范文
感谢观看
thank you