名词性从句精讲精练[]ppt课件

1、语法复习三：名词性从句语法复习三：名词性从句 名词性从句相当于名词，可分别作主句的主语、表语、名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句厅分为主语从句、表语宾语和同位语。因此，名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。从句、宾语从句和同位从句。一引导名词性从句的衔接词一引导名词性从句的衔接词 1 1、衔接代词：、衔接代词：who, whose, whom, what, whichwho, whose, whom, what, which。有词义，。有词义，在从句中在从句中 担任成分，如主语、表语、宾语、或定语担任成分，如主语、表语、宾语、或定语

2、等。等。 2 2、衔接副词：、衔接副词：when, where, why, howwhen, where, why, how。有词义，在从句。有词义，在从句中担任成中担任成 分，作状语。分，作状语。 3 3、衔接词：、衔接词：that, whether, if, as ifthat, whether, if, as if。that that 无词义，无词义，在从句中不在从句中不 担任成分，有时可省略；担任成分，有时可省略；if (whether), as if (whether), as ifif虽有词虽有词 义，但在从句中不担任成分。义，但在从句中不担任成分。留意：留意： 衔接代词与衔接副词

3、在句中不再是疑问句，因此从句中谓语不用衔接代词与衔接副词在句中不再是疑问句，因此从句中谓语不用疑问式。衔接代词与衔接副词在从句充任句子成分，衔接词疑问式。衔接代词与衔接副词在从句充任句子成分，衔接词whether whether 和和ifif能否，能否，as ifas if好象在从句中不充任句子成分，只起衔接作好象在从句中不充任句子成分，只起衔接作用。根据句义，假设衔接代词与衔接副词，用。根据句义，假设衔接代词与衔接副词，whetherwhether、if if 和和as ifas if都用都用不上时，才用不上时，才用thatthat作衔接词作衔接词thatthat本身无任何含义。本身无任何含

4、义。 二主语从句二主语从句 1 1、主语从句在复合句作主语。、主语从句在复合句作主语。 e.g. Who will go is not important. e.g. Who will go is not important. 2 2、用、用itit作方式主语，主语从句放在句末。作方式主语，主语从句放在句末。 e.g. It doesnt matter so much whether you will come or e.g. It doesnt matter so much whether you will come or not. not. 3 3、thatthat引导主语从句时，不能省略

5、。引导主语从句时，不能省略。 e.g. That he suddenly fell ill last week made us e.g. That he suddenly fell ill last week made us surprised. surprised.三表语从句三表语从句1 1、表语从句在复合句中作表语，位于系动词之后。、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. e.g. The question was who could go there.2 2、引导表语从句的衔接词、引导表语从句的衔接词

6、thatthat有时可省去。有时可省去。 e.g. My idea is (that) we can get more comrades to e.g. My idea is (that) we can get more comrades to help in the work. help in the work.四宾语从句四宾语从句1 1、宾语从句在复合句中作宾语。引导宾语从句的连词、宾语从句在复合句中作宾语。引导宾语从句的连词thatthat普通可省略。普通可省略。 e.g. I hope (that) everything is all right. e.g. I hope (that)

7、 everything is all right.2 2、介词之后的宾语从句，不可用、介词之后的宾语从句，不可用whichwhich或或ifif衔接，要分别用衔接，要分别用whatwhat或或 whether whether。 e.g. e.g. Im interested in whether youve finished the work. Im interested in whether youve finished the work. Im interested in what youve said. Im interested in what youve said.3 3、wheth

8、erwhether与与ifif都可以引导宾语从句，常可互换。但下面情况不能互换。都可以引导宾语从句，常可互换。但下面情况不能互换。 宾语从句能否认句时，只用宾语从句能否认句时，只用ifif，不用，不用whetherwhether。 e.g. I wonder if it doesnt rain. e.g. I wonder if it doesnt rain. 用用if if 会引起误解，就要用会引起误解，就要用whetherwhether。 e.g. Please let me know whether you want to go. e.g. Please let me know whet

9、her you want to go.此句假设把此句假设把 whether whether改成改成ifif，容易当成条件句了解，容易当成条件句了解 宾语从句中的宾语从句中的whether whether 与与or notor not直接连用，就不能换成直接连用，就不能换成ifif；不直接；不直接连连 用，可换。用，可换。 e.g. e.g. I dont know whether or not the report is true. I dont know whether or not the report is true. I dont know whether/if the report

10、is true or not. I dont know whether/if the report is true or not. 介词后的宾语从句要用介词后的宾语从句要用whetherwhether引导。引导。whether whether 可与不定式连用。可与不定式连用。 whether whether也可引导主语从句、表语从句、同位语从句，还可引导退让也可引导主语从句、表语从句、同位语从句，还可引导退让 状语从句，以上均不能换成状语从句，以上均不能换成ifif。但引导条件从句时，只能用。但引导条件从句时，只能用ifif，而不，而不 能用能用whetherwhether。 e.g. e.g

11、. It depends on whether we have enough time. It depends on whether we have enough time. They dont know whether to go there. They dont know whether to go there. Please come to see me if you have time. Please come to see me if you have time.五同位语从句五同位语从句 同位语从句在句中作某一名词的同位语，普通位于该名词如：同位语从句在句中作某一名词的同位语，普通位

12、于该名词如：news, fact, idea, suggestion, promisenews, fact, idea, suggestion, promise等之后，阐明该名词的等之后，阐明该名词的详细内容。详细内容。 e.g. e.g. I have no idea when he will be back. I have no idea when he will be back. The fact that he had not said anything surprised The fact that he had not said anything surprised everybo

13、dy. everybody.一、判别以下各句哪句含有名词性从句，并指出是什么从句：1. China is no longer what it used to be.2. The truth that the earth turn around the sun is known to all.3. It was snowing when he arrived at the station.4. How he persuaded the manager to change the plan is interesting to us all.5. The news that they had won

14、 the game soon spread over the whole school.6. The news that you told me yesterday was really disappointing.7. That is where Lu Xun used to live.8. He spoke as if he understood what he was talking about.9. Do you remember the teacher who taught us English at middle school?10. I wonder why she refuse

15、d my invitation.表语从句 同位语从句 不是 主语从句 同位语从句 不是 表语从句 宾语从句 不是 宾语从句 答案二、用适当的连词填空：1. I cant decide _ dictionary I should buy.2. Thats _ he refused my invitation.3. I am very interested in _ he has improved his pronunciation in such a short time.4. _ we need is more time.5. The fact _ she had not said anyth

16、ing at the meeting surprised everybody.6. _ and _ they will meet has not been decided yet.7. Please tell me _ you are waiting for.8. Is that _ you are looking for?9. Would you please tell me _ the nearest post office is?10. I dont know _ he will agree to the plan or not. which why how What that when

17、 where who(m) what where whether 答案三、选择填空：1. Do you see _ I mean?A. that B./C. how2. Tell me_ is on your mind.A. that C. which D. why3. We must stick to _ we have agreed on. B. thatC. / D. how4. Let me see _.A. that can I repair the radioC. I can repair the radioD. whether can I repair the radio5. K

18、eep in mind _.A. that the teacher saidB. what did the teacher sayC. that did the teacher say答案D. whatB. whatA. whatB. whether -I can repair the radioD. what the teacher said6. Could you advise me _?A. which book should I read firstB. what book should I read firstC. that book 1 should read first7. He

19、 was criticized for _.he had done itC. what had he done D. that he had done it8. Would you kindly tell me _?A. how can I get to the Railway StationC. where can I get to the Railway StationD. whether can I get to the Railway Station9. Mrs. Smith was very much impressed by _.A. what had she seen in Ch

20、inaB. that she had seen in China D. which had she seen in ChinaD. which book I should read firstB. what he had doneB. how I can get to the Railway StationC. what she had seen in China答案10. We took it for granted _ B. that were they not comingC. they were coming notD. were they not coining11. I reall

21、y dont know _A. I should do nextB. what should I do next D. how I should do next12. Im afraid _.B. that will the little girl have to operate onC. the little girl will have to operate onD. that will the little girl have to be operated on13. She walked up to _ .A. where did I stand C. I stood there D.

22、 where I stood thereA. that they were not comingC. what I should do nextA. the little girl will have to be operated onB. where I stood答案14. Can you tell me _?A. who is that gentlemanB. that gentleman is who D. whom .is that gentleman15. Well give you _.A. that do you needB. what do you need D. wheth

23、er do you need16. They want us to know _ to help us.A. what can they C. how they can D. how can they17. We must put _ into practice. B. that we have learnedC. that have we learnedD. what have we learned答案C. who that gentleman isC. whatever you needB. what they canA. what we have learned18. Did she s

24、ay anything about _?A. that the work was to be doneB. how was the work to be doneC. that was the work to be done19. He was never satisfied with _. B. had what she achievedC. she had achievedD. that she achieved20. These photographs will show you _.A. what does our village look likeC. how does our vi

25、llage look likeD. how our village looks like21. Peter insisted _ he pay the bill.A. on thatB. whatD. on whichD. how the work was to be doneA. what she had achievedB. what our village looks likeC. that答案22. They urged _ the library open during the vacation. A. whenB. whereC. why23. We wish we could h

26、ave learned _ when we were at high school. B. that you had doneC. that what you did D. what did you do24.1 will describe to you _ I saw when there.B. thatC. which D./25. From _ I should say he is a good worker. B. that I do know of himC. what do I know of himD. that do I know of him26. I will give t

27、his dictionary to _ wants to have it.A. whomever B. anyone D. someoneD. thatA. what you didA. whatA. what 1 know of himC. whoever答案27._ they will come here hasn t been decided yet.A. What B. ThatD. Where28. _ was said here must be kept secret.A. Who B. The thing D. Where29. It is still a question _

28、we shall have our sports meet.A. if B. that C. what30. Im going anyway. _ she will go is up to her to decide.A. If or not C. IfD. That31. It is strange _ she have left without saying a word.B. whatC. whyD. how32. It is very clear _ our policy is a correct one.A. whatC. why D. where答案C. WhenC. Whatev

29、erD. whenB. Whether or notA. thatB. that33. _ Mr Zhang said is quite right.A. That B. WhenD. Whether34. It has been decided _ he will be sent there.A. ifB. whether C. why35. It doesn t matter _he s come back or not.A. if C. thatD. when36. Its a great pity _ we wont be able to finish the task on time

30、.A. when C. why D. where37. It happened _ I wasnt there that day.A. when B. whyC. where 38._ you have done might do harm to other people. B. ThatC. Which D. The thingsC. WhatD. thatB. whetherB. thatD. thatA. What答案39. _ leaves the room last ought to turn oft the lights.A. Anyone B. The person D.Who4

31、0._ the 2000 Olympic Games wont be held in is known to all.A. Whether B. IfC. Whenever 41. _ fails to see this will make a big mistake.A. That C. Whether D. Whether or not42. _ we need more equipment is quite obvious.A. What B. WhetherD. Whatever43. Has it been announced _?A. when are the planes to

32、take offB. that are the planes to take offC. where are the planes to take offC. WhoeverD. That B. WhoeverC. ThatD. when the planes are to take off答案44. That is _ we all support his idea.A. whatC. whereD. when45. Thats _ we should do.A. thatC. howD. why46. _ is troubling me is _ I dont understand _ h

33、e said B. What; what; whatC. That; that; whatD. Why; that; which47. Things were not _ they seemed to be.A. whenC. thatD. what48. Thats _ I want to say.A. all whatB. whatC. all whichB. whyB. whatA. What; that; whatB. whyD. what that答案49. Thats _ . B. our differences lie thereC. where do our differenc

34、es lieD. that where our differences lie50. That is _ .A. where lived he thereB. where did he live D. that where he lived51. The questions is _.A. whether is it worth doingB. that if it is worth doing D. if it is worth doing52. Water will continue to be _ it is today next in importance to oxygen.A. howB. whichD. as53. Thats_.A. how did I become a teacherC. how a teacher I becameD. that I became a teacherA. where our differences lieC. where he livedC. whether it is worth doingC. whatB. how I