(共20张PPT)
Unit 2 Bridging cultures
--- discovering useful structure
Activity 1 读句感悟
阅读下列句子,认真感悟红色部分,并完成方框下的小题。
1.Laura says she always feels hungry when she smells it, so I taught her how to cook it, too.
2.The first time that she had to write an essay, her tutor explained that she must acknowledge what other people had said if she cited their ideas, but that he mainly wanted to know what she thought!
3.Xie Lei was confused because she thought she knew less than other people.
4.At first, Xie Lei had no idea what she should say, but what surprised her was that she found herself speaking up in class after just a few weeks.
5.What seemed strange before now appears quite normal to her.
谓语
主语
宾语
宾语从句
宾语从句中的“that”可以省略
谓语
主语
宾语
宾语
宾语
宾语
宾语
同位语
主语
系动词
表语
系动词
主语
Activity 1 读句感悟
阅读下列句子,认真感悟红色部分,并完成方框下的小题。
1.Laura says she always feels hungry when she smells it, so I taught her how to cook it, too.
2.The first time that she had to write an essay, her tutor explained that she must acknowledge what other people had said if she cited their ideas, but that he mainly wanted to know what she thought!
3.Xie Lei was confused because she thought she knew less than other people.
4.At first, Xie Lei had no idea what she should say, but what surprised her was that she found herself speaking up in class after just a few weeks.
5.What seemed strange before now appears quite normal to her.
1.以上各句都是主从复合句,句中使用了相当于________作用的从句(即名词性从句)在句中充当成分。
2.引导宾语从句的从属连词_________有时可以省略,如句1和句3;两个并列的宾语从句中,第二个that________省略,如句2第三划线部分。
3.名词性从句可在句中作_________,如句4第二划线部分和句5。
4.名词性从句可在句中作_________,如句4“was”后的成分。
5.名词性从句可在句中作_________,如句4第一划线部分。
名词
that
不可
主语
表语
同位语
Activity 2 语法精析
定义:名词性从句相当于名词,可分别做主句的主语、表语、宾语和同位语。因此,名词性从句分为__________、__________、__________和____________。
(一)引导名词性从句的连接词
1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。
2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。
3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。
主语从句
表语从句
宾语从句
同位语从句
谁
谁的
谁
什么
哪一个
时间
地方
为什么
怎样
是否
是否
好像
(二)主语从句
1、主语从句在复合句作主语。
e.g. Who will go is not important.
2、用it作形式主语,主语从句放在句末。
e.g. It doesn't matter so much whether you will come or not.
3、that引导主语从句时,不能省略。
e.g. That he suddenly fell ill last week made us surprised.
系动词
主语
谓语
谓语
(三)表语从句
1、表语从句在复合句中作表语,位于系动词之后。
e.g. The question was who could go there.
2、引导表语从句的连接词that一般不可省去。
e.g. The trouble is that we are short of money.
系动词
主语
表语
系动词
主语
表语
(四)宾语从句
1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。
e.g. I hope (that) everything is all right.
2、介词之后的宾语从句,不可用which或if连接,要分别用what或whether。
e.g. 1) I'm interested in whether you've finished the work.
2) I'm interested in what you've said.
3、whether 和 if的区别:whether 和 if 引导宾语从句时可以互换使用,但下列情况只用whether,不用if。
(1) 直接与or not 连用时,只用whether, 不用if 。
I don't know whether or not he'll come.
(2) 介词后面的宾语从句用whether, 不用if.
Everything depends on whether the situation will improve.
(3)引导的宾语从句放在句首时,用whether, 不用if。
Whether he has stolen the money, I don't know.
(4) whether 可用在不定式前,if 则不能.
Please tell me whether to go or not.
(5)引导主语从句和表语从句以及同位语从句用whether不用if 。
Whether we'll go depends on the weather.
The question is whether it is worth doing.
(6) 某些动词,如discuss等后习惯上只用 whether引导宾语从句,不用if.
We discussed whether we should hold a meeting.
总结:表“是否”意思时,
1. if 只引导_________________。
2. 动词不定式之前只能用__________。
3. 在whether or not 的固定搭配中。
4 介词后,只能用___________。
5. 句首用___________。
总之,凡表“是否”,用_________就不会错。
动词后的宾语从句
whether
whether
whether
whether
(五)同位语从句
一般放在fact, news, idea, truth, hope, problem, information, belief, thought, doubt, promise, question等抽象名词的后面,对前面的名词作进一步的解释,或说明前面名词的具体含义。同位语从句通常由that引导,也可以由whether、连接代词或连接副词引导。
1.He gave me some advice ________ I should read English every day.
2.There is some doubt __________ he will come.
3.The question _______ will replace him is still not clear.
4.I have no idea ________ large the physical universe is. 我不知道物质世界由多大。
that
whether
who
how
事实
消息
想法
真相
希望
问题
信息
信念
思想
怀疑
承诺
问题
1.The news ______ he will come back is true. (_______ 从句)
2. The news __________ he told me is true. (_______ 从句)
3. I still remember the day _______ I first came to China. (_______ 从句)
4. I have no idea ______ she will be back, this week or next week. (_______ 从句)
Exercise:
that
同位语
that/which
定语
when
定语
同位语
when
(六)定语从句与同位语从句的区别
1.The news _______ he will come back is true. (_______ 从句)
2. The news _______ he told me is true. (_______ 从句)
3. I still remember the day __________ I first came to China. (_______ 从句)
4. I have no idea ________ she will be back, this week or next week. (_______ 从句)
区别办法:1. 根据定义区分:从句是用来修饰前面的名词的是___________;
从句是解释说明前面名词的内容的是_____________.
2. 根据位置区分:①在具体名词或代词后的一定是_____________, ②在抽象名词后的
可能是_____________或______________,这时可把从句前面的名词代入从句中充当某
个成分,代得入的是________________,代不入的是_________________从句。
注意:在定语从句中,that 作主宾表语,
在同位语从句中 that 是“三无”(无成分无意义无疑问)。
Exercises
二、请找出下列句子的引导词,从句,并判断是何种从句。
1. What he wanted is the truth.
2. Mrs. Black won’t believe that her son has become a thief.
3. My idea is that we should do it right now.
4. The fact that he will come back tomorrow surprises me.
5. He is interested in how I have kept so thin.
6. The question is whether we should ask them for help.
7. Early in the day came the news that Germany had declared war on Russia.
8. Whose plan works more effectively requires consideration.
主语从句
that
宾语从句
表语从句
同位语从句
宾语从句
表语从句
同位语从句
主语从句
is
believe
is
in
is
requires
news
三、 用适当的引导词完成下面练习。
1. _________ he has is an empty room.
2. _________ he has come back is known to all.
3. He didn’t tell me ________ he went yesterday.
4. _____________ he will go to France has not been decided yet.
5. No one knows _________ will be the next president.
6. The shy girl asked _____________ she could have a look at the present.
7. He expressed his wish to me _________ he could go to Canada to study.
What
That
where
Whether/When
who
whether/if
that
主语从句,what作has的宾语
主语从句,that不作成分
宾语从句,where作状语
主语从句,whether表是否, when作状语
宾语从句,who作主语
宾语从句,whether/if表是否
同位语从句,that不作成分
1. I think _________ impresses me about his painting is the colours he uses.
2. Some people believe _________ has happened before or is happening now will repeat itself in the future.
3. (2019全国Ⅰ卷) While they are rare north of 88°, there is evidence ______ they range all the way across the Arctic, and as far south as James Bay in Canada.
4. ( 2018全国Ⅲ卷)I’m not sure ______ is more frightened, me or the female gorilla (大猩猩) ... I’m face-to-face with the gorilla, who begins screaming at the top of her lungs.
what
what
that
who
1. 她缺的是经验。
What she lacks is experience.
2. 我们必须查明这事是谁干的。
We have to find out who did this.
3. 中国再也不是以前的中国了。
China is no longer what it used to be.
翻译句子
1.The plan that you will go there next week has to
be changed.
2 .The news that he told me was false.
1.引导词作用不同
定语从句:作主语、宾语、时间状语、地点状语和原因状语等;
同位语从句:不充当成分。
2. 同位语从句前的抽象名词与定语从句的先行词不同
同位语从句:抽象名词如:hope, plan, fact, news,
problem, truth, idea, information
1.The idea _____ money means everything is not
correct .
2. The idea ____ he put forward yesterday was
not practical .
定语从句
同位语从句
that
that
(六)同位语从句与定语从句的区别:
同位语从句
定语从句
二、1. whoever 2. that 3. Whatever 4. Where 5. How
6. When 7. what 8. what 9. that 10. who