Unit 1 The world of our senses Grammar and usage(2) Noun clauses (21张PPT)

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名称 Unit 1 The world of our senses Grammar and usage(2) Noun clauses (21张PPT)
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课件21张PPT。Grammar名词性从句为什么叫名词性从句?
_______________________整个从句相当于一个名词比较:The man looked around.
That the boy failed again in the exam disappointed his mother.同样作主语,从句可以表示较复杂的含义I know him.
I know that he is writing his composition in his room2. 为什么要有名词性从句?那人看了看四周. (名词作主语)那孩子考试又不及格令他母亲很失望. (从句作主语)我知道他在房间里写作文.从句的特征:是一个句子,有一个引导词,引导词做从句的一个成分 (that 除外)名词能做的成分,名词性从句都能做 从句表达的意思比名词复杂得多 名词性从句 主语从句宾语从句表语从句同位语从句主语从句在句中做------ 宾语从句在句中做------
表语从句在句中做------ 同位语从句在句中----- 主语宾语表语同位语1. That he will come is certain. 2. I know that he will come.3. The truth is that I have been there.4. The fact that she was late surprised us.2). Do you know whether the banks are open on Sunday?
1). We expressed the hope that he would come to China again.
4). The question is when he will come.
3). What you need is more practice.
5).It is a pity that she has made such a mistake.6).We all thought it a pity that we had missed
the film.名词性从句功能辨别一、名词性从句连接词的选用 1.that 和what 的选用that 和 what 都可引导所有的名词从句。 但是,what除起连接作用外,还在名 词性从句中充当成分,可做从句的主 语、宾语、或表语。而that在名词性从 句中不充当任何成分,只起连接作用。that / what1.______ he wants is a book.
2. ______ he wants to go there is obvious. 3.The result is ______ we won the game. 4.This is _____ we want to know. 5.Is _____ he told us true ? 6.We should pay attention to ______ the teacher is saying. 7. I have no doubt _____ he will come. 8. I have no idea _____ he did that afternoon.
9._____ has made China_____ it is now ? WhatThatthatwhatwhatwhatthatwhatWhatwhat2.引导词that 的省略 1.) that可省略的情况: 单个宾语从句中的that可省略2.) that不可省略的情况: a. 主语、表语、同位语从句 b.用it做形式宾语的宾语从句 c.并列宾语从句中,从第二个宾语从句开始
d.宾语从句中状语部分位于从句前部时
e.that前有插入语
f.that作介词宾语时That?they?are?good?at?English?is?known?to?us?all.
The?problem?is?that?we?don’t?have?enough?money
She?expressed?the?hope?that?they?would?come?to?China?one?day.1).主语从句、表语从句、同位语从句中用不能省略。2).It 做形式宾语的宾语从句。I don’t think it necessary that you should read English loudly.
3).并列宾语从句中,从第二个宾语从句开始都不可省略。 He told me (that) his father had died and that he had to make a living alone.4).当that宾语从句中状语部分位于从句前部时。    Tell him that if he comes tomorrow,please call me.6).当that作介词宾语时。
The?reason?lies?in?that?she?works?harder?than?the?others?do.?5).当that 前有插入语时。            Tom didn’t know,I’m sure,that his sister was going to Japan.that/ (that)1.I don’t think ________ she is coming. 2.It is a pity ________ he has made such a mistake. 3.The reason is _________ he is careless . 4.The news ________ our team won the match inspired us. 5.I don’t think it necessary _________ you should read English aloud. 6.He told me __________ his father had died and __________ he had to make a living alone. (that)thatthatthatthat(that)that3.其它连接代词和副词的选用主要根据名词性从句中的具体意义,正确的 选择who、which、when、where、why、 how 等连接词,这些连接词既具有疑问含义, 又起连接作用,同时在从句中充当各种成分。我们何时举行运动会还没有决定。 ________ we shall hold our sports meeting is not decided.
我不知道昨天谁打破了玻璃。 I don’t know _________ broke the glass yesterday.
这就是我忘记眼镜的地方。 This is _________ I left my glasses. Whenwhowhere4. if 和whether 的选用不能使用if 的情况: a. 主语、表语、同位语从句 b. 介词后
c. whether to do d. whether or not
e. 某些动词后(如discuss, decide等)if / whether 1. I asked her __________ she had a bike. 2.______ we will hold a party in the open air tomorrow depends on the weather. 3. We’re worried about ________ he is safe. 4. I don’t know ___________ he is well or not. 6. The question is _________ he should do it. 7.The doctor can hardly answer the question ______ the old man will recover soon. 8. I don’t know _______ to go.
9.We are discussing _______ we will hold a
meeting this weekend. whether/if Whetherwhetherwhetherwhetherwhetherwhetherwhether5.whoever, whatever, whichever
可引导名词性从句,也可引导让步状语从句。而no matter who/ what/ which 只能引导让步状语从句 。Whatever=anything that; whoever=anyone who
Whoever?breaks?the?rule?must?be?punished.Whoever?breaks?the?rule,?he?must?be?punished.You?can?choose?whatever?you?like?in?the?shop.Whatever?you?do,?you?must?do?it?well.?二、同位语从句和定语从句的区别1.定语从句是对先行词作修饰限定,它不涉及先行词的 具体内容。定语从句中that不但起连接作用,而且 在定语从句中充当一个句子成分,充当从句的宾语成分 时可省略。2.同位语从句对中心词作进一步的解释说明, 表明中心词的具体内容。引导同位语从句的that 在同位语从句中不做任何成分,只起连接作用,无具体 含义,且不可省略.1.We expressed the hope that they had expressed. 2.We expressed the hope that they would come to China again.1.The information has been announced that more middle school graduates will be admitted into university. 2.The information that he revealed at the meeting is of great value.同位语从句/定语从句 定同同定Practice time.单句改错1.That the earth turns around the sun are known to all.
2.When the meeting will be held haven’t been known yet.
3.I didn’t know that you will come.
4.He said that he is writing a story.
5.Could you tell me when will he arrive?
6.You can begin to see why does English have such strange rules.___
is______
hasn’t____
would___
was______
he will___________________
English has7.He said the text was very important and we should learn it by heart.
8. My worry is that he can get there on time.
9. The reason why he failed was because he hadn’t studied hard.
10. What we need are time.
11. Here are two books. You can take whatever you want.isthatwhetherthatwhichever
12.I think that worthwhile that we spent so much money on these books.
13.That is hard to decide when and where we will held our sports meeting.
14.Everybody considers it impossible which he wants to finish the job in such a short time.
15.It doesn’t matter that you will come or not.
16.We suggested that we would go to the cinema.
17. My idea is that we must do our homework first.ititthatwhethershouldshould Thank you