2022届高考英语二轮复习：名词性从句课件-（56张）

(共56张PPT)
名词性从句
简单单词 长单词、复合单词
简单句 复合句
为什么学了这么多年，英语没学好？
学校学、辅导班学，但是现在依然英语迷迷糊糊？
方法用错了！！！
一定要记住：
语法是为人们更好的交流服务的！
不要被语法的条条框框束缚住。
学语法的目的是使用它。
听话 ！
我不要你以为，我要我以为！
为考试服务
什么是名词？
1.名词:
表示人或事物的名称的词叫名词。
2.名词在句子当中一般可以作什么成分
名词在句中主要作主语、宾语、表语和同位语。
The boy is li Ming.
主语
表语
Mr. Liang , a 24-year-old boy, teaches us English .
主语
同位语
间接宾语
直接宾语
在英语的句子结构中，本来该由名词充当的主语、宾语、表语和同位语，由一个句子来充当,这个句子就叫名词性从句。
什么是名词性从句
名词性从句
主语从句 ( The Subject Clause)
宾语从句 ( The Object Clause)
表语从句 ( The Predicative Clause)
同位语从句 ( The Appositive Clause)
主语从句
在复合句中作主句的主语.
引导词有连词that (that在主语从句中不可省略), whether;
连接代词有who, what ,which;
连接副词 when ,where, how, why 等.
1).连接词: that, whether
He is a famous singer.
It is known to us.
1.That he is a famous singer is known to us.
(It is known to us that he is a famous singer.)
什么是主语从句？
★that已成事实
无争议
Will we visit the Great Wall tomorrow
It has not been decided.
It has not been decided Whether /if we will visit the Great Wall.
Whether we will visit the Great Wall has not been decide.
Whether不确定
He will win the game.
It is certain.
Will he win the game
It is not certain.
That he will win the game is certain.
It is certain that he will win the game.
Whether he will win the game is not certain.
It is not certain whether /if he will win the game.
对比whether 和that：
2).连接代词: who, whom, whose, what, which,
whoever,whatever, whichever
Whose bag is it
It can’t be told.
★Whose bag it is can’t be told.
What does he need
It is money.
★ What he needs is money.
★ Whatever you said is all right.
3).连接副词: when, where, why, how, how many,
how much how long, how soon, how often
When will we start tomorrow
It will be told soon.
★ When we will start tomorrow will be told soon.
我们将怎样制定计划已经被老师解释清楚了.
★ How we will make the plan has been explained clearly by the teacher.
为什么他来这里还是不被人所知道.
★ Why he comes here is not known.
用法总结
①主语从句一律用陈述句语序,即主语在前,谓语在后.
②连接词that在从句中无实际意义,起引导作用, 不作任何成分,但不能省略.
When will he come is not known.
When he will come is not known.
He will not come to the meeting this evening is true.
That he will not come to the meeting this evening is true.
★ what is the matter和what is wrong不可改变语序
③whether可以引导主语从句 解释为”是否”,但if不能.
④whatever, 等可引导主语从句, 但no matter who, no matter what 只能引导让步状语从句.
⑤ it作形式主语,主语从句放在后面作真正的主语.
例: It is well known/reported/thought/said/… that…
It is clear/necessary/certain/true/doubtful/… that…
It is a pity/a shame/an honour/… that…
It doesn’t matter whether…/It seems that…
It happens that
★注意 It is necessary 、 a pity 、strange、 important that should….
(1 )用"that" 引导的主语从句
原句: That he will pass the exam is certain.
改句: It is certain that he will pass the exam. (通常用这种句式)
(2) ”疑问句”必须用it做形式主语
Is it funny that the tall man and the short girl are a couple
这个高个子男孩和矮个子女孩居然是夫妻。这是不是很有趣呢
真正主语
形式主语
“it”充当形式主语
形式主语
真正主语
it
用it 作形式主语的结构
①It is ＋ 名词 ＋ 从句
It is a fact that … 事实是…
It is an honor that …非常荣幸
It is common knowledge that …是常识
②It is ＋ 形容词 ＋ 从句
It is natural that… 很自然…
It is strange that… 奇怪的是…
③It ＋ 不及物动词 ＋ 从句
It seems that… 似乎…
It happened that… 碰巧…
It appears that… 似乎…
④It ＋is 过去分词 ＋ 从句
It is reported that… 据报道…
It has been proved that… 已证实…
It is said that… 据说…
①It is + 名词 + that …
人们普遍相信，语言是文化的载体，因此扼杀语言等同于扼杀文化。
关键词：a common belief, language, vehicle of culture, culture
It is a common belief that language is a vehicle of culture, so killing a language is killing a culture.
①It is + 名词 + that …
It is a fact that … （事实）
It is an honor that … （荣誉）
It is a common knowledge that … （尝识）
It is a must that … （必要）
It is a shame that … （羞耻）
It is a great pity that … （很大的遗憾）
It is a wonder that … （奇迹）
It is an unavoidable task that … （不可避免的任务）
It is beyond doubt that … （毫无疑问）
②It is + 形容词+ that …
我们好好准备考试是有必要的。
It is necessary that we should make good preparation for the exam.
②It is + 形容词+ that …
It is essential/ vital that … （重要的）
It is highly significant that … （高度重要的）
It is helpful that … （有帮助的）
It is obligatory that … （必要性的）
It is ridiculous that … （荒唐的）
It is strange that … （奇怪的）
It is natural that … （自然的）
It is obvious/ evident that … （明显的）
It is noticeable that … （显著的）
It is likely that … （有可能的）
It is desirable that … （理想的）
It is urgent that … （紧急的）
It is worthwhile that … （值得的）
③It is + 过去分词+ that …
必须指出的是汉语将会在世界上越来越流行。
It must be pointed out that Chinese will be increasingly popular all around the world.
③It is + 过去分词+ that …
It is reported that … （报道）
It is said that … （据说）
It is generally held that … （普遍认为）
It is estimated that … （估计）
It is widely acknowledged that … （广泛认可）
It is commonly believed that … （普遍相信）
It is generally accepted that … （普遍接受）
It has been proved that … （证明）
It cannot be denied that … （不可否认）
It can be concluded that … （得出结论）
④It + 不及物动词+ that …
似乎旅游业的发展能促进跨文化交流。
关键词：seem, development of tourism, promote, cross-cultural communication
It seems that development of tourism can promote
cross-cultural communication.
④It + 不及物动词+ that …
It seems that … （似乎）
It appears to sb. that … （对某人来说似乎）
It occurs to sb. that … （让某人想起）
It goes without saying that … （毫无疑问）
It happens that … （碰巧）
1、Whether引导
是否鼓励年轻人穿传统服装成了个具有争议性的话题。
It has been an issue of controversy whether young people should be encouraged to wear traditional costumes.
替换：买房子 buy house
毕业后继续深造 look to further education after graduation
2、When引导
他将何时回来很大程度上取决于他所选择的交通方式。
When he will be back depends much on the transportation that he selects.
她将何时结婚取决于她的毕业时间。
When she will marry depends much on the date that she graduates.
3、Why引导
为什么有如此多广告扰乱正常的电视节目的原因非常清楚。
It is very clear why so many commercials disturb normal TV programs.
替换：他通过了考试 he passed the exam
4、Who引导
要派谁去写揭露房地产市场真相的报告还没定下来。
It has not been decided who should be sent to write the report that reveals the truth of real estate market.
替换词：谁去参加比赛
who will take part in the competition
谁获胜了who is the winner
5、Where引导
我在哪过暑假和你没关系。
It is none of your business where I spend my summer holiday.
替换词： 我在哪过春节 where I spend the Spring Festival
我在哪上班 where I work
6、How引导
如何弘扬传统艺术成了个热门话题。
It has become a hot issue how we can carry forward our traditional arts.
替换词：中国文化
7、What引导
本文将提出保护传统文化的解决方案。
What can be done to conserve traditional cultures will be presented in the essay.
替换词：解决污染问题 to solve pollution problems
8、Whatever引导
如果未能保护文化遗产，我们还不知道究竟会发生什么。
It remains unknown whatever will happen if we fail to protect our cultural heritage.
替换词：环境 environment
古老建筑 ancient architectures /houses
What we used to think impossible now does seem possible.
A. is B. was C. has been D. will be
〖答案〗B
〖考点〗考查主语从句。
〖解析〗由句意“我们以前认为不可能的事现在看起来的确
是可能的”和谓语动词used to think可知空格处的
谓语部分应该表达过去意义。
宾语从句
We believe (that) he is honest.
I told him (that) I would come back soon.
什么是宾语从句？
在复合句中作主句的宾语,放在实义动词或介词的后面.
引导词有连词that (that 常可省略),whether, if;
代词有who, whose, what ,which;
副词有when ,where, how, why 等.
★宾语从句的连接词与引导主语从句的连接词相同.
用法总结:
1.宾语从句一律用陈述句的语序.
2.引导宾语从句的连词that也无实际意义,多数
情况下可以省略.
3.whether和if都可以引导宾语从句
★当whether后紧跟or not时,不用if.
★介词后面的宾语从句不能用if.
例: I worry about whether I hurt her feeling.
例: I don’t know whether I will stay or not.
4.that在宾语从句中的省略与保留
★在主+谓+it(形式宾语)+宾补+that从句(真正宾语) 的句型中不省略.
例: We must make it clear that we say what we mean.
★由连词and连接的两个由that引导的宾语从句中,第一个that 可以省略,第二that不能省.
He told me (that) he would come and that he would come on time.
it可以紧紧跟着think/ find/ feel/ consider/ make/ regard等词语中。
后面可以加上形容词，名词，还有不定式短语。
I feel it a great honor to deliver this speech to all of you.
（it作为形式宾语，真正的宾语是honor后面的不定式结构。）
it还可以代替动名词短语，不过这样的用法比较少。
Do you consider it any good trying again
形式宾语
I took it for granted that I would be admitted into Peking University.
★动词＋it＋when / if 从句。常见于appreciate, enjoy, like, dislike, love, hate, prefer等少数动词之后。
例：I appreciate it that if you could come to my wedding ceremony.
★动词+ it + that从句。
常见于like, take, have, put等少数动词之后
（it相当于that从句的同位语）。
例：I take it that you have been out.
形式宾语
★动词 + 介词(短语) + it + that从句。
常见于answer for, depend on, rely on,
insist on, look to, see to, stick to 等结构中。
You may depend on it that Tom will help you with your English.
★动词+ it +过去分词+从句。
I heard it said that that factory was founded in 1995.
形式宾语
动词的宾语从句
1、专家预测世界上一半语言100年后会消亡。
Experts predict that half of the world’s languages will be extinct in 100 years.
动词的宾语从句
2、我不知道这种做法是否说得通。
I wonder whether the practice can hold water.
动词的宾语从句
3、人们不知道少数民族语言未来会怎样。
People do not know what will happen to minority languages in the future.
介词的宾语从句
1、关于是否拆除市区的老建筑引发一场激烈的争论。
There is a heated debate over whether old buildings in urban areas should be demolished.
形容词的宾语从句
1、表示态度的形容词：anxious, aware, certain, confident, convinced, determined, glad, proud, surprised, worried, sorry, thankful, ashamed, disappointed, annoyed, pleased, hurt, satisfied, content
大众应该明白，她们所穿的传统服装的多样性反映了文化的多
样性。
The public should be aware that the variety of traditiona costumes they wear mirrors cultural diversity.
You can only be sure of you have at present; you cannot be sure of something you might get in the future.
A. that; what B. what;/ C. which; that D. /;that
〖答案〗B
〖考点〗考查宾语从句。
〖解析〗what引导宾语从句, 并在从句中作宾语；that引导定语从句, 并在从句中作宾语, 可以省略。
表语从句
什么是表语从句？
在复合句中作主句的表语,常放在be动词的后面.
引导词有连词that (that 不可省略),whether; 代词有who, what ,which;副词 when ,where, how, why 等.
The problem is that we didn’t get in touch with him.
This is how Henry solved the problem.
His suggestion is that we (should) finish the work at once.
如果句子的主语是suggestion, advice.order等名词时,后面引导
的表语从句用should+动词原形,should可省略.
注意事项：
1. 表语从句一律用陈述句的语序.
2.表语从句的引导词that无实际意义,但不能省略.
3.表语从句只能用whether,而不能用if 引导.
What many people are worried about is whether we will be able to build a better future.
The reason why he was late this morning is because that there was a lot of traffic on the road.
今天早上他迟到的原因是因为路上行人太多.
The reason why he was late this morning is that there
was a lot of traffic on the road.
This / it /that/ is because + 从句
He was late this morning. That was because there was a lot of traffic on the road.
The reason why + 句子 be that + 从句
这就是为什么电视广告被认为是垃圾的原因。
This is why TV commercials are regarded as rubbish.
See the flags on top of the building That was we did this morning.
A.when B.which C.where D.what
〖答案〗D
〖考点〗本题考查了表语从句的用法。
〖解析〗由句中句子结构可知, 此处缺一表语从句引导词,
而且要在句中作did的宾语, 故只有what符合要求。
同位语从句
什么是同位语从句？
在句中起同位语的作用.一般放在名词 fact , news , idea , promise, thought , suggestion 等之后,用以说明或解释前面的名词.
引导词有连词 that ;少数情况下也可用连接副词how when where
1.The thought that we might succeed excited us.
2.The idea that they should try a second time is
worth considering.
3.The suggestion that the plan (should) be delayed will
be discussed tomorrow.
★名词suggestion,advice.order等词后的同位语从句的谓语动词
要用should+动词原形,should可省略.
4.I have no idea when he will be back.
注意事项：
1.that引导的同位语从句前面的名词常见的有:
idea, fact, news, belief, thought, doubt, suggestion, proof, message, order, conclusion, desire, theory, truth, word, hope, information
2.that 在从句中只是起引导作用, 不作任何成分，不能省略。
关系副词引导同位语从句
有些人怀疑教授是否会准时到达。
There is some doubt whether the professor will arrive on time.
That引导同位语从句
有证据显示，英语已经成为网络的主要语言。
There is evidence that English has been the dominant language online.
A warm thought suddenly came to me I might use the pocket money to buy some flowers for my mother’s birthday.
if B. when C. that D. which
〖答案〗C
〖考点〗考查同位语从句。
〖解析〗that引导同位语从句, 解释a warm thought的具体内容。
that只起连接作用, 但不能省略。
温
示
提
馨
本节结束，谢谢观看!