情态动词练习及答案.doc

1. I told Sally how to get here, but perhaps I _ for her. A. had to write it outB. must have written it out C. should have written it outD. ought to write it out2. There were already five people in the car but they managed to take me as well. It _ a comfortable journey. A. cant beB. shouldnt be C. mustnt have beenD. couldnt have been3. Its nearly seven oclock. Jack _ be here at any moment.A. mustB. need C. should D. can4. Johnny, you _ play with the knife, you _ hurt yourself. A. wont; cantB. mustnt; may C. shouldnt; mustD. cant; shouldnt5. The fire spread through the hotel very quickly but everyone _ get out. A. had to B. would C. could D. was able to6. When can I come for the photos? I need them tomorrow afternoon.They _ be ready by 12:00. A. canB. shouldC. might D. need7. I stayed at a hotel while in New York.Oh, did you? You _ with Barbara.A. could have stayedB. could stay C. would stayD. must have stayed 8. Are you coming to Jeffs party?Im not sure. I _ go to the concert instead. A. must B. wouldC. should D. might9. I was really anxious about you. You _ home without a word.A. mustnt leaveB. shouldnt have left C. couldnt have leftD. neednt leave10. Is John coming by train?He should, but he _ not. He likes driving his car. A. mustB. can C. need D. may11. A left-luggage office is a place where bags _ be left for a short time, especially at a railway station. A. shouldB. can C. must D. will12. I wonder how he _ that to the teacher. A. dare to sayB. dare saying C. not dare sayD. dared say13. When he was there, he _ go to that coffee shop at the corner after work every day. A. would B. shouldC. had better D. might14. It has been announced that candidates _ remain in their seats until all the papers have been collected. A. canB. willC. may D. shall15. How _ you say that you really understand the whole story if you have covered only a part of the article? A. canB. mustC. needD. may16. I hear youve got a set of valuable Australian coin. _ I have a look?Yes, certainly. A. DoB. MayC. ShallD. Should1. C。“ought to / should have+过去分词”表示后悔当初该做但却没做某事。“也许我本该把详细地址写给她的。”2. D。“couldnt have+过去分词”表示对过去情况的推测。既然小汽车上“已有五人”，且是“设法”才把你带去的，如此拥挤，旅途当然“不可能”舒服。3. C。nearly 暗示“时间不早了”，Jack“按理应当(should)随时(at any moment)”都有可能到达这里。must 语气过强；can 一般不用于肯定推测；need 意义不通，也不用于肯定句。4. B。mustnt(不许、千万不)表示禁止。may 表示可能性。句意为“你千万不要玩刀子，可能会弄伤自己的”。5. D。表示过去具体某次“能够”做成某事只能用 was / were able to 而不用could。6. B。should 表示按理应当，大概。can 一般不用于肯定推测；用 might 语气太不肯定，顾客可能走掉。 7. A。could have done 表示本可以做但却没有做的事。句意为“你本来可以住在 Barbara 那儿的”；而 must have done 只表示有把握的肯定推测，这与前面具有疑问语气的 Oh, did you?不符。8. D。语境明显提示“我可能(might)要去听音乐会” 。9. B。表示轻微的责备，句意为“我真的好担心你啊。你当时本不该不说一声就离开家的”。10. D。由“他自己喜欢开车”这一习惯推断，“他可能不会(may not)坐火车来”。can not“不可能”，语气太肯定。11. B。can 表示“可以”。should(应该), must(必须), will(愿意)均不符合语境。12. D。dare 作行为动词时,一般接 to do，但疑问式或否定式中 to 可以省略，此句有疑问口气。13. A。would 表示过去的习惯。14. D。在规章中告诫应考者，在收完所有试卷前“必须”留在教室里。15. A。can 在疑问句中，表示疑惑、怀疑，根据情况可译作“能、可以”等。16. B。may 表示请求对方允许，即：“我可以做吗?”情态动词练习及答案1. -Mum， may I watch TV now？-Sure， but you _ help me with my English.A. can B. may C. must D. could2. -_ I download the article again？-No，you neednt.A. Shall B. Will C. Must D. Can3. -Can you go skating with us this afternoon？-Sorry， I cant. I _ take care of my little sister at home.A. can B. may C. would D. have to4. -Must I hand in my exercise book today？-No， you _.A. cant B. neednt C. mustnt D. wont5. -May I have a word with you？-No， you _. Im busy today.A. neednt B. wouldnt C. dont have toD. cant6. -_I have your English name， please？-Yes， Helen. H-E-L-E-N.A. Must B. May C. Will D. Need7. -Who is the boy over there？ Is it John？-No， it _ be him. John is much taller.A. mustnt B. may not C. cant D. neednt8. -Can you play Frisbee， Jay？-Yes， I _. Its easy.A. must B. can C. need D. may9.-You must come back every month. -Yes， I _.A. will B. must C. should D. can10. She _ know the answer， but Im not sure.A. maybe B. may be C. may D. must11. - Must we clean the room right now？- No， you. You clean it after lunch.A. neednt；may B. neednt;mustC. Mustnt； can D. mustnt；may12. John_ come to see us tonight， but he isnt very sure yet.A. may B. can C. has to D. must13. Children _ play with fire.A. mustnt B. cant C. shouldnt D. neednt14. -_ I come in， Mr Green？-Yes,come in， please.A. Must B. Need C. Will D. May15. -Must I finish the work today？-No， you _. You _ finish it tomorrow.A. mustnt； may B. cant； canC. neednt； may D. neednt； must答案与解析1. C.这组对话的意思是：妈妈，我现在可以看电视吗？当然，但你必须帮我学英语。该题测试情态动词的用法。表示主观上看来必须要做的事，要用must.2. C.这组对话的意思是：我必须再次下载这篇文章吗？不必了。该题测试情态动词的用法。根据答语 No， you neednt 就能确定要选C.3. D.这组对话的意思是：今天下午你能同我们一块去溜冰吗？抱歉，我不能去。我必须在家照看我小妹妹。该题测试情态动词的用法。表示客观上不得不做某事时，要用have to.4. B.这组对话的意思是：我必须今天交作业吗？不必。该题测试情态动词的用法。对以must开头的问句进行否定回答时，要用neednt.5. D.这组对话的意思是：我可以跟你说句话吗？不行，我今天很忙。 该题测试情态动词的用法。对May开头的问句进行否定回答时，通常用cant或may not来回答。6. B.这组对话的意思是：我可以知道您的英文名字吗可以，海伦。H-E-L-E-N.该题测试情态动词的用法。请求对方许可时，常用 May I （we）。7. C.这组对话的意思是：那边的那个男生是谁？是约翰吗？那不可能是他，约翰个子高些。该题测试情态动词的用法。表示很肯定的否定推测时，用cant.8. B.这组对话的意思是：杰伊，你会扔飞盘吗？会，小菜一碟。该题测试情态动词的用法。一般说来，以情态动词can开头的问句，肯定回答用can；否定回答用cant.英语情态动词 ：9. A.此题易误选为B或C.这是因为受了思维定势的影响引起的，因为前面句子中的must这个词，许多人就想当然地选择了B项。其实，这里应该选择A项，句意为：你必须每月回来一次。好的，我会的。10. A.maybe是副词，意为可能；也许，在句中作状语。may be是两个不同的词，其中，may是情态动词，be是连系动词，在句中作谓语。11. A.neednt表示没有必要；may意为可以.12. A.考查情态动词。由后文但他还不能肯定可知，他可能会来，所以选A.can表示推测的可能，多用于否定句或疑问句中，must是有把握的肯定推测，一定.13. A.考查情态动词。mustnt千万不，绝不能，一定不要；cant不能；shouldnt不应该；neednt不必要。英语情态动词 ：14. D.考查情态动词。请求允许用may或can.15. C.考查情态动词。否定回答must，表示不必用neednt，排除A和B.又表示允许可以，用may或can，所以A正确。若用must与前面neednt相矛盾。情态动词( ) 1. Mr Wang _ be in Nanjing now, he went to Beijing only this morning. A. mustnt B. may not C. cant D. neednt( ) 2. Must I saty at home, Mum? -No, you _. A. neednt B. mustnt C. dont D. may not( ) 3. Can you go swimming with us this afternoon? -Sorry, I cant. I _ take care of my little sister at home because my mother is ill. A. can B. may C. would D. have to( ) 4. May I go to the cinema, Mum? -Certainly. But you _ be back by 11 oclock. A. can B. may C. must D. need( ) 5. To make our city more beautiful, rubbish _ into the river. A. neednt be thrown B. mustnt be thrownC. cant throw D. may not throw( ) 6. May I go out to play basketball, Dad?-No, you _. You must finish your homework first.A. mustnt B. may not C. couldnt D. neednt( ) 7. Where is Jack, please ? -He _ be in the reading room.A. can B. need C. would D. must( ) 8. Who is the man over there? Is it Mr Li? -No, it _ be him. Mr Li is much taller.A. musnt B. may not C. cant D. neednt( ) 9. These books _ out of the reading room. You have to read them here. A. cant take B. must be taken C. can take D. mustnt be taken( ) 10. Mum, may I watch TV now? -Sure, but you _ help me with my housework first. A. can B. may C. must D. could( ) 11. The boy said he had to speak English in class, but he _ speak it after calss. A. could B. didnt have to C. might D. shouldnt( ) 12. Must we hand in the papers now? -No, you _. A. cant B. may not C. mustnt D. neednt( ) 13. John _ go there with us tonight, but he isnt very sure about it. A. must B. can C. will D. may( ) 14. Even the top students in our class cant work out this problem. So it _ be very difficult. A. can B. may C. must D. need( ) 15. Put on more clothes. You _ be feeling cold with only a shirt on. A. can B. could C. would D. must( ) 16. Its still early. You _.A. mustnt hurry B. wouldnt hurry C. may not hurry D. dont have to hurry( ) 17. May I stop here? -No, you _. A. mustnt B. might not C. neednt D. wont( ) 18. A computer _ think for itself, it must be told what to do. A. cant B. couldnt C. may not D. might not( ) 19. Could I borrow your dictionary? - Yes, of course you _. A. might B. will C. can D. should( ) 20. Peter _ come with us tonight, but he isnt very sure yet. A. must B. may C. can D. will( ) 21. Michael _ be a policeman, for hes much too short. A. neednt B. cant C. should D. may( ) 22. _ I know your name? A. May B. Will C. Shall D. Must( ) 23. You _ be more careful next time. A. have to B. may C. must D. might( ) 24. You _ miss the lesson, though we _ have it on Thursday. A. mustnt; neednt B. neednt; mustnt C. mustnt; mustnt D. neednt; neednt( ) 25. This pen looks like mine, yet it isnt. whose _ it be? A. must B. may C. would D. can( ) 26. What kinds of homes will we live in the future? Nobody _ be sure, but scientists are working out new ideas now. A. will B. may C. can D. must( ) 27. I _ like to know where you were born. A. shall B. should C. do D. may( ) 28. _ you be happy! A. Might B. Must C. Wish D. May( ) 29. A teacher _ do every exercise, but a student must. A. may not B. neednt C. cant D. mustnt( ) 30. The matter _ be changed into a gas, but it _ be heated to its boiling point. A. may; neednt B. may; can C. mustnt; neednt D. can; must( ) 31. Teachers and students _ look coldly at you for a day or two, but there are friendly feelings in their hearts. A. must B. can C. may D. should( ) 32. Cars and buses _ stop when the traffic lights turn red. A. can B. need C. may D. must( ) 33. Do you think his story _ true? -I don think so. But it sounds good.A. must be B. may be C. can be D. has to be( ) 34. Look out! The knife is very sharp. You _ cut your finger. A. need B. must C. should D. may( ) 35. How long _ the book be kept? -For two weeks, but you _ return i