1、另外别忘了if可引导条件状语从句。试比较:Please let me know if you want to go.Please let me know whether you want to go.3.其它连接词的选用遵循:“缺什么,补什么”的原则。缺状语,补连接副词where, when, why, how; 缺主语,宾语,表语,定语,补连接代词:who, whom, what, which, whose.Where she has gone is not known yet.Why he did it wasnt quite clear.How he became a great sci
2、entist is known to us all.I dont know where we are going to have the meeting. Please tell me when we shall discuss our work plan.This is why he is late.I have no idea when he will come back.I really dont know what he is doing.Which side will win is not clear.That is what he is worried about.Do you k
3、now who/whom they are waiting for.He asked whose dictionary it was.二名词性从句应该注意的。1.名词性从句用陈述语序。注意what is the matter with.被看作陈述语序。如:Do you know what is the matter with him? 不能用Do you know what the matter is with him?2.同位语从句和定语从句的区分:同位语从句对其前边的名词起解释补充说明,可译为 “既;那就是”;定语从句对先行词起修饰限制作用,译为 “的”;that 引导的定语从句在从句中要
4、充当成分,作宾语,表语可省略;而that引导的同位语从句只起引导作用,不充当成分,不能省略.The suggestion (that )our teacher gave us sounds OK.The suggestion that we should arrange our time scientifically sounds OK.The news (that) you heard is not true.The news that Lincoln was murdered at a theatre is true.The fact that you pointed out made m
5、e interested .The fact that there are no lives on the moon is known to us all. 3.名词性从句中的what 可改为定语从句the thing(s)/ person(s) that; whatever可改为anything that, whoever 可改为 anyone who They are careful about what they eat.=They are careful about the things that they eat. He is not what he used to be .=He
6、is not the one that he used to be. He would believe whatever I said.= He would believe anything that I said. Whoever leaves the room last should turn off the light.= Anyone who leaves the room last should turn off the light.4.wh-ever 和no matter wh- 区分:引导让步状语从句,wh-ever可换为no matter wh-, 引导名词性从句则不能。Wha
7、tever I said , he wouldnt listen to me.= No matter what I said , he wouldnt listen to me.5.名词性从句中that 的省略:宾语从句中的that 可以省略,但并列的宾语从句只有第一个从句的that可以省略,第二个从句和第二个以后的that不能省;it作形式宾语的宾语从句that不能省;介词后的宾语从句的that不能省;表语从句中的that和it作形式主语的主语从句的that在口语中偶有省略。同位语从句中的that不能省略。6.reason或cause作主语以及why引导的主语从句作主语,其后的表语从句连接词
8、不用because,常用that,而且since和as不能引导表语从句。Why farmland here is being lost is that farmers have cut down too many trees in recent years.The reason for his being absence from the conference was that he was delayed by the accident.7.宾语从句:be+ sure / certain /glad / pleased / satisfied / surprised等也可接宾语从句。Im n
9、ot sure what I should do.Im afraid you dont understand what I said.宾语从句否定的转移:主句的主语是一人称,谓语是think、believe、suppose、expect、imagine等,对从句的否定习惯上要转移到主句上,并且其反义疑问句要和从句保持一致。I dont think you are right, are you?I dont believe they have finished their work yet, have they?宾语从句后有宾语补足语要用it作形式宾语。He has made it clear
10、that he will not give in. 8. 注意it作形式主语的主语从句和强调句的区分。练习1.Mary wrote an article on _ the team had failed to win the game.A. why B. what C. who D. that2. As soon as he comes back, Ill tell him when _ and see him. A. you will come B. will you come C. you come D. do you come3. _ in the regulations that yo
11、u should not tell other people the password of your email account. A. What is required B. What requires C. It is required D. It requires4. Elephants have their own way to tell the shape of an object and _ it is rough or smooth. A. / B. whether C. how D. which5. I was surprised by her words, which ma
12、de me recognize_ silly mistakes I had made. A. what B. that C. how D. which6. I like _ in the autumn when the weather is clear and bright. A. this B. that C. it D. one7. You are saying that everyone should be equal, and this is _ I disagree. A. why B. where C. what D. how8. A modern city has been se
13、t up in _ was a waste land ten years ago. A. what B. which C. that D. where9. A story goes _ Elizabethof England liked nothing more than being surrounded by clever and qualified noblemen at court. A. when B. where C. what D. that10. The other day, my brother drove his car down the street at _ I thou
14、ght was a dangerous speed. A. as B. which C. what D. that11. Along with the letter was his promise _ he would visit me this coming Christmas. A. which B. that C. what D. whether12. It is pretty well understood _ controls the flow of carbon dioxide in and out the atmosphere today. A. that B. when C.
15、what .D how13. Are you still thinking about yesterdays game? -Oh, thats _ . A. what makes me feel excited B. whatever I feel excited about C. how I feel about it D. when I feel excited14. _ made the school proud was _ more than 90 percent of the students had been admitted to key universities. A. Wha
16、t; because B. What; that C. That; what D. That; because15. When you answer questions in a job interview, please remember the golden rule: Always give the monkey exactly _ he wants. A. what B. which C. when D. that16. Theres a feeling in me _ well never know what a UFO is . A. that B. which C. of whi
17、ch D. when17. Ill tell them _ came to see them last Monday. A. whoever B. whomever C. no matter who D. who18. They are just college graduates and dont realize _ to start and run a company. A. what takes it B. what they take C. what takes them D. what it takes19. His income today is double _it was fi
18、ve years ago. A. that B. which C. what D. as20. When it was clear _ she did not speak a word of English, I tried to talk to her using the Spanish I learned while living in Europe. A. what B. that C. why D. how21. After _ seemed an endless wait, it was his turn to have the interview. A. that B. it C.
19、 what .D all 22. All the people around the world have the same simple dream _ they will always live in peace and comfort. A. that B. which C. where D. when23. _ words I use can not express my appreciation of your timely help. A. Whatever B. How many C. No matter what D. Whichever24. Does it matter m
20、uch _ the sales manager wont attend the meeting tomorrow? -Ive no idea. A. if B. what C. when D. that25. Energy is _ makes things work. A. what B. something C. anything D. that26. The manager came over and asked the customer how _. A. did the quarrel came out B. the quarrel had come about C. the qua
21、rrel has come about D. had the quarrel come about27. Dave lost his job and was short of money, so _ his flat and move in with his brother. A. that he did was to sell B. what he did was sell C. what he did sold D. what he did was sell28.Word came _ a group of New Zealand guests will come to visit our
22、 school next Tuesday. A. that B. which C. / D. about which29. They have no idea at all _ . A. what he is working on B. what is he working on C. what did he work on D. what he is working 30. I rang you at about nine, but there was no reply. -Oh, that was probably _ I was seeing the doctor. A. why B.
23、when .C what D. that31. _David says sounds right to Helen. Thats why she has made up her mind not to leave him_ happens. A. Whatever; whatever B. No matter what; whatever C. No matter what; no matter what D. Whatever; however32. _ is Britain now used to be three different countries and over many yea
24、rs the three countries became one. A. It B. What C. Where D. As33. There is a common belief among them _ rubbish can and should be put to good use. A. which B. if C. whether D. that34. Would you tell me _ you want your tea, with sugar or milk? -Sugar, please. A. whether B. when C. what D. how35. Wha
25、t about your history test? -Ive answered all the questions, but Im not sure _ Ive got them all right. A. what B. how C. whether D. why36. _ surprised me most was _ such a little boy could play football so well. that B. That; what C. What; whether D. That; why37. He is _ known as a hacker-he likes sh
26、owing off on the Internet and attack websites A. who B. what C. that D. the man38. That was _ was known _ “the theory of relativity”. A. what; like B. what; as C. which; like D. which; as39. _ the workers insisted on was that they _ more time to do it. A. That; must be given B. What; should be given
27、 C. Whether; would be given D. Which; were given40. The reason _ she gave for not being present was _ the heavy snow prevented her coming. A. / ; because B. why; because C. /; that D. why; whether41. Im satisfied _should be done has already been done. A. with what B. that what C. by what D. that42.
28、My hometown is not _ it used to _ ten years ago. A. when; do B. what; do C. when; be D. what; be43. The reason _ I have to go is _ my mother is ill in bed. A. why; why B. why; because C. why; that D. that;44. His suggestion _ to see the art exhibition _ every one of us. A. that we go ; interested B. which we should go ; interested C. that we would go ; interest D. we would go ; be interested in45. He often thinks of _ he can do more for his country. A.
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