课件名词性从句.ppt

1、welcome,music,Grammar and usage,名词性从句(Noun clause),That you dont like him is none of my business. 2. I believe that he can pass the final exam. 3. The trouble is that I have lost his address. 4. The news that China won the match excited us.,_,subject,object,predicative,appositive,什么叫名词性从句？,在句子中起名词作用

2、的句子叫名词从句 (Noun Clauses） 名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语等 因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。,名词性从句 noun clauses,主语从句 subject clause,宾语从句 object clause,表语从句 predicative clause,同位语从句 appositive clause,名词性从句在功能上相当于名词,His job is important.,What he does is important.,主语,This is his job.

3、,This is what he does every day.,表 语,I dont like his job.,I dont like what he does every day.,宾 语,I dont know about the man, Mr. White.,I dont know about the fact that he is a teacher.,同 位 语,找出下列句子中的错误，并总结出规律： 1.Could you tell me where does he live? 2.I dont know when will he come.,Could you tell me

4、 where he lives?,I dont know when he will come.,规律：名词从句中须使用陈述语序！,主语从句,What she did is not yet known. Whoever comes is welcome. Whether hell come here isnt clear.,I doubt whether he will succeed. You may do what you like. He told us that he felt ill.,宾语从句,The trouble is that I have lost his address.

5、All this was over twenty years ago, but its as if it was only yesterday. The question is how he did it.,表语从句,They were all worried about the fact that you were sick. Early in the day came the news that Germany had declared war on Russia. I have no idea whether hell come or not.,同位语从句,How to judge a

6、clause: 学习名从要知道; 及物动词最重要; 动词之前叫主从; 动词之后是宾从。 系动词也贼重要; 它的后面跟表从; 千万不能忘介词; 它的殿后亦宾从,关于that引导的主语从句,That he is still alive is unbelievable. That we shall be late is certain. 特点：无意义，不作任何句中成分，只起连接作用，不可以省略！,注意,有时候为了平衡句子结构，避免头重脚轻，或者是为了强调，常用it来做形式主语，把that引导的主语从句放到后面。 It is certain that she will do well in her e

7、xam. Its a pity that we cant go. It is reported that China has sent another man-made earth satellite into orbit.,1. It + be + adj. ( true, certain, possible, obvious, likely) that 2. It + be +noun phrase (no wonder, an honour, a pity,) that 3. It+ be + V-ed (said, reported, expected, announced.) tha

8、t.,It 作形式主语的句型:,I think (that) English is easy to learn. You said (that) you like your mother very much. 特点：无任何实际意义，也不作任何句子成分，只是起连接作用，且常常省略。,关于that引导的宾语从句,在某些复合宾语的句式中，也常用it作形式宾语，把that引导的宾语从句放在后面。 She made it clear that she had nothing to do with the matter. We thought it a pity that he couldnt come.

9、,注意,特殊情况,that 在以下情况不省略： 1. make, find, feel, consider等这些词的后面用it作形式宾语时，that不省略。 I find it necessary that we should study English.,2. 及物动词后有两个宾语从句时，第二个that不可以省略。 He said (that) he would go there the next day and that his family wouldnt go there. 3. 与动词相隔离的宾语从句一般不省略that. The teacher tells us that we sh

10、ould study hard.,that 引导表语从句，用来表示某一事实，也能表示某人的观点，意见，要求和希望等 The problem is that her parents couldnt accept me. The fact is that he cant come tomorrow. 特点: that作为连接词，不充当任何成分且一般不省略,关于that引导的表语从句,The news that our team won the first prize excited all of us. The fact that Polly didnt ask for the mans name

11、 is a pity. 特点：对前面的名词作进一步的说明，无实际意义，不作任何成分，但不可以省略。,关于that引导的同位语从句,if (是否)和whether 的选用,if只能使用于: a. 及物动词后的宾语从句 b. ifor not I wonder if/whether thats a good idea. I want to know if/whether he will come or not.,if / whether1. I asked her _ she had a bike.2. _we will hold a party in the open air tomorrow

12、depends on the weather.,if / whether,Whether,3. Were worried about _ he is safe.4. I dont know _ he is well or not.5. I dont know _ or not he is well.,whether,whether/if,whether,6. The question is _ he should do it.7.The doctor can hardly answer the question _ the old man will recover soon.8. I dont

13、 know _ to go.,whether,whether,whether,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 / what,1._ 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.,What,That,that

14、,what,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.,what,what,that,what,其它连接代词和副词的连用,主要根据名词性从句中的具体意义, 正确的选择who, whom , whose, 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

15、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 dont know _broke the glass yesterday.,When,who,我不知道他长的什么样子。 I have no idea _ he looks like.这就是我忘记眼镜的地方。This is _ I left my glasses.,what,where,注意,如果suggest,order,advise,insist, require, request等动词时,后面that引导的宾语从句;sugge

16、stion, order, advice , request, requirement等名词时,后面that引导的表语从句，同位语从句用“(should)+动词原形”。 His suggestion is that we (should) finish the work at once. He gave me a suggestion that I ( should )have a rest now.,practice,3.A computer can only do _you have instructed it to do. A.how B.after C.what D.when 4.Ca

17、n you tell me _? A.who is that gentleman B.that gentleman is who C.who that gentleman is D.whom is that gentleman,5.He didnt know which room_. A.they lived B.they lived in C.did they live D.did they live in 6.To get the job started, _I need is from here. A.only what B.all what C.all that D.only that

18、,7.In some countries _is called “equality” doesnt really mean equal rights for all people. A.which B.what C.that D.one 8.Go and get your coat. Its _you left it. A.there B.where C.there where D.where there,9._ you dont like him is none of my business. A.What B.Who C.That D.Whether 10.The reason_I pla

19、n to go is _she will be disappointed_I dont . A. why; because; when B. why; that; if C. because; that; if D. why; that; whether,11.-_can I do with a situation? -Take_measure you consider best. How ; whichever B.What;whatever C.How ;whatever D.What;whichever 12._she said suggested that she hadnt deci

20、ded _to go or not. A. What; if B. That; whether C. What; whether D. Whether; what,13.He made a promise _anyone set him free he would make him very rich. A.that B.if C.what D.that if 14._would like to devote his whole life to his country should go _there are all kinds of difficulties. A. Who;somewher

21、e B. Whoever; where C. Whatever; anywhere D.Who; there,15.-Can I sit in the front row? -Yes. You can take _seat you like. A. whatever B.what C. whichever D.which 16.They lost their way in the forest and _made matters worse was _night began to fall. A.what; that B.it; that C.what; when D.which; what,17._ gone is gone. _ no use talking about it any more. A. Thats; Its B. Whats ; Its C. Its; Thats D. Thats; thats 18.I didnt quite follo