情态动词及答案

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1、情态动词强化训练一.情态动词用法一 can 的用法1.表示能力,有能、会、能够的意思。例如: Can you drive a car?2. 表示可能,常用于否定句或疑问句。例如: Can it be true? Today is Sunday. He cant be at school today.3. 表示允许，口语中代替may,有可以的意思。例如：You can use my car. 用于句式和人称:用于肯定句和否定句，也可以用于疑问句。一般用于第一，二人称。 cannot 表示 禁止 。You can not smoke in the bus.公共汽车上不许吸烟。Can I carry

2、 your bag?我来替你提包好吗？Could I give you dinner one of these days? 这几天我请你吃顿饭行吗？Cant you do it tomorrow? 你不能明天做吗？回答形式:肯定回答，一般是 yes, please. thanks。肯定回答，不能用couldCould I use your phone?Yes, of course you can. “我可以用你一下电话吗？ ”“当然可以。”注意: 1 ）要注意，在请求允许的用法中， could 并不是过去时，它指的都是将来时。2）一般不用过去一次性允许。During the meeting I

3、 could ask questions. （ 误）4. can 和 be able to 的区别：can表示能力时,可以用be able to代替;can只有can和could两种时态，而be able to可用于其他时态;be able to强 调通过努力有能力做到，如果表示某事已经成功应用be able to,而不用could。例如：He was able to leave Europe before the war began.二、may的用法意义及用法： 指说话人给予的许可。也可是一般的许可。同 can 相比 may 和 might 用于比较正式文体，往往含有尊敬之意。 might

4、表示比较迟疑，婉转。不很常用。You may smoke.你可以吸烟。Visitors may ascend the tower.参观者可以登塔。You might post this letter for me. 是否请你给我寄一下封信。May I make a suggestion? 我可以提个建议？ Might I borrow your bike? 我借用你的自行车可以吗？回答形式: 一般用于肯定，疑问和否定句。否定用于拒绝给予许可，或禁止做某事。通常在官方公告中，否定情态动词Students may not stay out after midnight. 学生午夜后不得在外逗留。用

5、于问句和条件句表示请求。If I may say so, you are not right.你是不对的，如果我可以这么说的话。May I go now? No, you may.我现在可以走了吗？ 否定回答，一般用 mustnt或cannot， 也可以 may not。May I come in? 我可以进去吗？ No, you mustnt. 不，你不许进。肯定回答，一般是 sure, certainly, of course,不能用 mightMight I trouble you for a light? “You may indeed.”“我可以向你借火吗？当然可以 要注意，在请求允

6、许的用法中， might 并不是过去时，它指的都是将来时。三、must的用法1. 表示必须、应该（否定形式用need nt或dont have to ）。例如：-Must I finish the work before dark? -No, you neednt / dont have to. You may leave it for tomorrow.2. must n ot （must nt）表示强烈禁止。例如：You must nt get to school late.3表示推测，只用在肯定句中，一定、想必之意。其否定意义不可能，用cant be形式。例如：-The light in

7、 her room is still on; she must be at home now.-She cant be at home. I saw her out just ten minutes ago. She forgot to turn off her light. 4.must 和 have to 的区别：must表示说话人的主观看法;而have to强调客观情况迫使人不得不;must只能表示现在必须，表示过去的事情 要用had to;have to有时态、人称和数的变化。must和have to的否定意思不同。比较：You must nt do that.（你千万不能做那件事。）

8、You dont have to do that.（你不必做那件事情。）四、 need 的用法need 作情态动词时表示需要,主要用于否定句和疑问句。例如: -Need we finish the work today? -Yes, you must. / No, you neednt.注意:作动词时need的句型:need sb doing /need sb to do sth.它的否定形式和疑问形式均不一样 二.选择题:1- Shall I tell John about it?- No, you . Ive told him already.A. neednt B. wouldnt C.

9、 mustnt D. shouldnt2. - There were already five people in the car, but they managed to take me as well.- It a comfortable journey.A. cant be B. shouldnt be C. mustnt have been D. couldnt have been3. - Why didnt you come to see me? - I , but I was too busy yesterday.A. like to B. should like to C. wo

10、uld like to have D. am going to4. You cant imagine that a well-behaved gentleman be so rude to a lady.A. might B. need C. should D. would5. There was plenty of time; she .A. mustnt have hurried B. neednt have hurried C. may not have hurriedD. wouldnt have hurried6. - Is John coming by air? - He shou

11、ld, but not. He likes taking trains.A. must B. can C. need D. may7. - it be Li Ping who broke the glass? - No. It be Wang Hai who did it.A. Could; mayB. Can; canC. May; mustD. Can; must8. When the old man was alive, he sit for hours at the door.A. wouldB. couldC. mustD. might9. Jack, you play with t

12、he knife; you hurt yourself.A. wont; cantB. mustnt; mayC. shouldnt; mustD. cant; should10. Ive decided to take the job and I change my mind.A. mustntB. cantC. wontD. may not11. She into the thick forest alone on such a dark night.A. dares not goB. dares not to go C. dare not to goD. doesnt dare to g

13、o12. My parents never remember my telephone number, and they always look it up.A. mustB. canC. should D. have to13. - Where is Jack? I cant find him anywhere. - He his homework upstairs.A. might have done B. must have done C. might be doing D. must do14. He you more help, even though he was very bus

14、y.A. might have given B. might give15. - If he , he that food.A. was warned; would not takeC. would be warned; had not takenC. may have given D. may give- Luckily he was sent to the hospital immediately.B. had been warned; would not have takenD. would have been warned; had not taken16. - I hear youv

15、e got a set of valuable Australian coins. I have a look ? - Yes, certainly.A. DoB. MayC. ShallD. Should17. When can I come for the photos? I need them tomorrow afternoon.一 They be ready by 12:00.A. canB. shouldC. mightD. need18. I_ such a mistake again.A. will never make B. shall never make C. can n

16、ever do D. need never do19. He began to write two hours ago. He have finished the article now.A. mustB. oughtC. wouldD. had to20. Looking at my determined face, the big boy pick up the fight.A. dares notB. dare notC. doesnt dareD. dares not to21. You know that you were driving 100 km an hour, dont y

17、ou? No officer, I . This car doesnt do more than 80.A. may not have been B. couldnt have been C. mustnt have been D. shouldnt have been22. I think he could have joined us, but he A. doesnt B. did C. didnt D. couldnt23. Why it rain now? I go to the concert at 7. What a pity!A. can, might not B. shoul

18、d, neednt C. must, cantD. need, mustnt24. He was caught in the rain last night. That his cold.A. can bring about B. ought to bring about C. should have brought about D. may have brought about25. Did you visit the famous museum? No, we _, but we spent too much time shopping.A. could have visited B. m

19、ust have visited C. can t have visited D. shouldnt have visited26. You must phone us every week. Yes, I .A. must B. have to C. will D. should27. Dont throw the bottles away. They in the future.A. may need B. are neededC. can be needing D. might be needed28. English is a language that many people aro

20、und the world not speak perfectly but _ at least understand.A. may, canB. would, mightC. will, mustD. could, might29. I wonder why Mr. Wang didnt attend the lecture. He another one.A. could haveB. must haveC. might have had D. should have had30. He was taken away by the police. He _ for a robber.A.

21、must be mistaken B. was being mistaken C. must mistakeD. must have been mistaken31. I wonder if I smoke here. No, you . Could you see the sign No Smoking there?A. can, neednt B. shall, wont C. must, cantD. may, mustnt32. I havent seen Mr. White for weeks. What to him?A. must have happened B. may hav

22、e happened C. can have happened D. may happen33. I didnt go to work yesterday afternoon because my car broke down. You mine. I wasnt using it.A. might borrow B. could have borrowed C. can have borrowed D. ought to borrow34. A man answered the phone. I suppose it was her husband. It _ her husband. He

23、 has been dead for ages.A. mustnt beB. couldnt have been C. may not have been D. mustnt have been35. Considering that Tom always did well in all his subjects, he in the final exam.A. mustnt failB. couldnt have failed C. ought not to fail D. mustnt have failed36. She _ the hospital so soon, for she h

24、as not yet recovered.A. wouldnt have left B. shouldnt have left C. mustnt have left D. didnt have to leave37. I promise her daughter get a nice present on her birthday. Will it be a big surprise to her?A. should B. must C. wouldD. shall38. Whats wrong with your pen? The ink come out.A. cantB. doesnt

25、C. hasntD. won t39. Whatever you want, you have it on condition that you get the best result. said the boss.A. wouldB. ought toC. shallD. could40. Tom, you are so lazy! This work _ hours ago.A. should finish B. must have finished C. should have been finished D. might have finished答案：1 20： ADCCB DDAB

26、C DDCAB BBAAB21 40: BCCDA CDACD DCBBB BDDCC情态动词练习1. May I stop my car here? No, you.A. cant B. mustnt C. neednt D. dont have to2. Must we clean the house now? No, you .A. neednt B. may not C. mustnt D. cant3. John his father about his failure in the exam.A. dares not tell B. dares not telling C. dar

27、e not tell D. dares not to tell4. You _return the book now. You can keep it next week if you like. A. cant B. mustnt C. neednt D. may not5. Johnny, you play with the knife, you hurt yourself.A. wont.cantB. mustnt.may C. shouldnt, must D. cant.shouldnt6. The fire spread through the hotel very quickly

28、 but everyone get out.A. had to B. would C. could D. was able to7. Would you go out for a walk with me?No, I _. My girl friend is coming.A. wouldnt B. shall not C. wont D. shouldnt8. Man_ die without water.A. will B. can C. need D. shall9. If he started at 9 0clock, he _be there by now.A. need B. sh

29、all C. ought to D. must10. I mailed the letter two weeks ago. Sheit.A. must receive B. cant receive C. might receive D. must have received11. The professor gave orders that the experiment_ before 5:30p.m.A. be finished B. will finish C. must be finished D. would be finished12. There was plenty of ti

30、me. You.A. mustnt hurry B. mustnt have hurried C. neednt hurry D. neednt have hurried13. Tom was a diligent boy. He _go to school though it was raining hard.A was able to B. could C. couldnt D. wasnt able to14. I go back before lunch? No, I dont think you.A. Need.must B. Do.need to C. Must.have to D

31、. May ought to15. The teacher do all the exercises, but a pupil.A. neednt must B. may not.mustC. neednt neednt D. cant must16. Would you open the window please ? Yes, I.A. will B. would C. do D. can17. A lion _only attack a human being when it is hungry. A. should B. can C. will D. shall18. Must I f

32、inish this novel this morning ?No, you.A. mustnt B. might not C. dont have to D. cant19. The taxi only hold six passengers. It is full. You take the next one.A. may.may B. can.may C. may.can D. must.can20. I a little earlier, but I met a friend of mine on the way.A. may come B. may have come C. coul

33、d have come D. must have come21. I wish to go home now, _I? A. may B. cant C. must D. do22. He must have finished his homework, _he? A. mustnt B. didnt C. neednt D. hasnt23. This pen looks like mine, yet it isnt. Whose it _be? A. must B. can C. may D. might24. He didnt do well in the exam. He _hard

34、at his lessons.A. must have worked B. ought to have worked C. would have worked D. has worked25. I wonder how _he that to the teacher.A. dare to say B. dare saying C. not dare say D. dared say26. Mr Baker, a number of students want to see you. they wait here or outside?A. Should B. Will C. Shall D.

35、Are27. You the trees. Look, it is raining now.A. mustnt have watered B. neednt have watered C. could have watered D. might have watered28. I give you an answer tomorrow. I _promise! A. must B. will C. may D. shall29. As a soldier, you _do as the head tells you. A. will B. shall C. may D. ought30. Th

36、e streets are all dry. It during the night.A. cant have rained B. must have rained C. couldnt rain D. shouldnt have rained31. When he leave the hospital? I asked the doctor. A. will B. shall C. can D. may32. They have not finish the work up to now.Well, they A. should have B. should C. ought to D. o

37、ught have33. Since it is already midnight, we.A. had better leaving B. ought to have leave C. should take our leave D. might as well leave34. _you be happy! A. May B. Can C. Must D. Would35. Must we come tomorrow? _A. No, you cant B. No, you neednt C. No, you mustnt . No, you may not36. You _miss th

38、e lesson, though we _have it on Thursday.A. mustnt.neednt B. needntmustnt C. mustnt.mustnt D. neednt.neednt37. To succeed in a difficult task,.A. one needs to work hard B. to work hard is neededC. you need be a hard working person D. to work hard is what one needs38. In case I, I would try again. A.

39、 will fail B. would miss C. should fail D. shall miss39. Some people feel that handguns.A. should control B. should be controlled C. must be controlling D. can be control40. open the door for you ? A. Would you like that I B. Do you want that I C. Will I D. Shall I41. My son the examination, but he

40、wasnt careful enough.A. might be able to pass B. must have passed C. could have passed D. were able to pass42. Isnt it strange that the lazy boy_ pass the exam?A. should B. has C. might D. would43. We _the work so early without your help.A. couldnt finish B. cant finish C. couldnt have finished D. c

41、ant have finished44. We the manager, but no one his telephone number.A. could have called, knew B. could have called, had known C. could call, had known D. could call, knew45. Would you come and join them?I wish I _. But I am busy at this moment.A. cant B. couldntC. couldD. can46. If Alice_ this aft

42、ernoon, the meeting should be put off.A. would not come B. might not come C. should not come D. could not come47. I didnt see her in the meeting room this morning. She at the meeting.A. mustnt have spoken B. shouldnt have spoken C. neednt have spoken D. couldnt have spoken48. With so much work on ha

43、nd, you _to see the game last night.A. mustnt go B. shouldnt go C. couldnt have gone D. shouldnt have gone49. I thought you_ like something to read, so I have brought you some books.A. may B . might C. could D. must50. There was plenty of time. She.A. mustnt have hurried B. couldnt have hurried C. m

44、ust not hurry D. neednt have hurried51. Its still early, you. A. mustnt hurry B. wouldnt hurry C. may not hurry D. dont have to hurry52. Please open the window,? A. cant you B. arent you C. do you D. will you53. We_ for her because she never came.A. mustnt have waited B. shouldnt have waited C. must

45、nt wait D. neednt wait54. May I stop here?No, you . A. mustnt B. might not C. neednt D. wont55. He you more help, even though he was very busy.A. might have given B. might give C. may have given D. may give56. I didnt see her in the meeting room this morning. She _ at the meeting.A. mustnt have spok

46、en B. shouldnt have spoken C: neednt have spoken D. couldnt have spoken57. Could I borrow your dictionary? Yes, of course you. A. might B. will C. can D. should58. Please dont make a noise. _-Ill be as quiet as a mouse.A. Yes, I wont B. No, I wont C. No, I will D. Yes, I will59. The young man has ma

47、de so much noise that he_ not have been allowed to attend theconcert.A. could B. must C. would D. should60. One ought_ for what one has done.A. not to be punished B. to not be punished C. to not punished D. not be punished61. If you really want yourself to be in good health, you must _always_ so muc

48、h.A. not, be smoking B. not, have smoked C. not, to smoke D. be not, smoking62. Where is Mary?She isnt here. I think she.A. may have gone home B. must have gone home C. might have gone home D. All the above63. I think Helen is at home. No, she _be at home, for she phoned me from the airport just fiv

49、e minutes ago.A. mustnt B. neednt C. cant D. dared not64. She is already two hours late. What _to her?A. can have happened B. may have happened C. should have happened D. must happen65. he be watching TV now?Yes,he be watching TV now?No, hebe watching TV now.A. Must, can, mustnt B. Can ,must, cant C

50、. Can, can, mustnt D. May, must, neednt66. You must be a writer, ? A. mustnt you B. are you C. must you D. arent you67. You must have seen him last night, _? A. havent you B. didnt you C. dont you D. must you68. I got up early this morning, but I so because I had no work to do.A. mustnt have done B.

51、 didnt need to do C. neednt have done D. cant have done69. Lets say that you could go there again, how _feel?A. will you B. should you C. would you D. do you70. I darent tell you what he did for fear that he_ angry with. A. will be B. is C. was D. should be71. Without the leadership of the Party, th

52、ere _no New China. A. would be B. has been C. was D. should be72. It is necessary that we_ a foreign language. A. must master B. ought to master C. master D. should master73. Most of the students felt rather disappointed at the English party. They say that it _ better organized.A. had been B. had to

53、 be C. must have been D. could have been74. I am surprised that he_ to help me when I needed it most.A. should refuse B. would have refused C. should have refused to D. may have refused75. Look! Tom is too sleepy to work .He _ up watching TV.A. mustnt have stayed B. shouldnt have stayed C. mustnt st

54、ay D. ought not to say.31练习题答案 110BACCB DCADD 1120ADACA ACCBC 2130ADBBD CBBBABADAB AACBD 4150CACAC CDDBD 5160DDBAA DCBDA6170ADCABDBCCB 7175ADDCB练习题(76-85)1) You all those clothes! We have a washing machine to do that sort of thingA) neednt have washed B) shouldnt have washed C) must not have washed

55、D) can not have washed2) Johns score on the test is the highest in the class; he last night.A) should study B) should have studied C) must have studied D) must have to study3) The room is in a terrible mess; it cleaned.A) cant have been B) shouldnt have been C) mustnt have been D) wouldnt have been4

56、) Nobody knows how people first came to these islands. They from South America on rafts.A) must have sailed B) can sail C) might have sailed D) should have sailed5) Mary was not in her bedroom yesterday afternoon. She in her classroom.A) should have been B) must have been C) must beD) should be6) Bo

57、b said he was going to join our club but he didnt. He his mind.A) cant have changed B) wouldnt have changed C) must have changed D) shouldnt have changed7) You to town to see the film yesterday. It will be on TV tonight.A) neednt go B) had better not go C) should not go D) neednt have gone8) We the

58、letter yesterday, but it didnt arrive.A) must receive B) ought to receive C) must have receivedD) ought to have received9) With all the work on hand, he to the cinema last night.A) mustnt go B) shouldnt have gone C) could not go D) couldnt have gone10) Eve was late for class again. She earlier.A) sh

59、ould get up B) must get up C) need to get up D) should have got up11) I am feeling sick. I so much chocolate.A) neednt have eaten B) couldnt have eaten C) mustnt have eaten D) shouldnt have eaten12) I didnt send out my application form last week, but I .A) had B) would do C) should have D) might hav

60、e to13) Walking alone in the deserted village, John was scared. He thought he Tom to go with him.A) might have asked B) should asked C) must have asked D) should have asked14) When I got to the cinema, the film had already started; I there earlier.A) ought to getB) ought to have gotC) must have gotD

61、) must get15) The road was muddy. It last night.A) must rainedB) must have rainedC) must be rainedD) could have rained16) She can speak quite fluent English. She.A) must been in the U.S.A. for some time B) must have been in the U.S.A. for some timeC) should have been in the U.S.A. for some time D) M

62、ay be in the U.S.A. for some time17) You should bear in mind that he is not so strong as he.A) was used to be B) used to be C) was used to D) use to18) “We didnt see him at the exhibition yesterday.Heit.A) mustnt visit B) cant have visited C) should have gone to see D) may see19) Mary my letter, otherwise she would have replied before now.A) should have received B) has receivedC) Couldnt have