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初中英语情态动词专项练习题集.doc

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1、 情态动词情态动词是一种本身有一定的词义,但要与动词原形及其被动语态一起使用,给谓语动词增添情态色彩,表示说话人对有关行为或事物的态度和看法,认为其可能、应该或必要等。情态动词后面加动词原形。情态动词有四类:只做情态动词:must,can(could),may(might)可做情态动词又可做实义动词:need,will具有情态动词特征:have(had,has) to,used to,ought to情态动词表猜测:一肯一否三不定(must一肯,can not一否,may,might,could,三不定。)注:mustnt代表强烈禁止 must表示主观,have to表示客观。常用的有:can

2、maycouldmust haveuse.情态动词无人称和数的变化,情态动词后面跟的动词须用原形,否定式构成是在情态动词后面加 not。个别情态动词有现在式和过去式两种形式,过去式用来表达更加客气,委婉的语气,时态性不强,可用于过去,现在或将来。情态动词属非及物动词,故没有被动语态。情态动词表推测的用法小结(一)情态动词表推测的三种句式1在肯定句中一般用must (一定),can,could(可能),might /may(也许,或许)。e.g:(1)He must/can/may,might know the answer to this question.他一定/可能/也许知道这个问题的答案

3、。(2)It is cold in the room. They must have turned off the heating.屋里很冷,他们肯定把暖气关了。2否定句中用cant / couldnt(不可能),may not/might not(可能不)。e.g:(1)It cant/couldnt be the headmaster. He has gone to America.这不可能是校长,他去美国了。(2)He may not/might not know the scientist.他也许不认识那位科学家。3疑问句中用can/could (能?)。e.g:(1)Could he

4、 have finished the task?他可能把任务完成了吗?注:以上三种句式中情态动词的语气按程度都是依次递减的。Might,could并非may,can的过去式,而表示语气较为委婉或可能性较小。(二)情态动词表推测的三种时态1对将来情况的推测,用“情态动词 + 动词原形”。e.g:(1)She must / may / might / could arrive before 5.5:00前她一定/可能/也许到。2对现在或一般情况的推测,用“情态动词 + be”,“情态动词 +be doing”或“情态动词 + 动词原形”。e.g:(1)He must / may / might /

5、 could be listening to the radio now.他一定/可能/也许正在听收音机。(2)He cant ( couldnt ) / may ( might ) not be at home at this time.这个时候他不可能/可能不在家。3对过去情况的推测,用“情态动词 + have +过去分词”。e.g:(1)It must / may / might / could have rained last night .The ground is wet.地湿了,昨晚肯定/可能/也许下雨了。(2)The door was locked. He can ( coul

6、d ) not / may ( might ) not have been at home .门锁着,他不可能/可能不在家。注:情态动词 should /ought to表推测时,意为“想必会,理应”但与“have +过去分词”连用时,则又可构成虚拟语气意为“本应该做某事却没做”。例如:(4)Its seven oclock. Jack should/ought to be here at any moment.现在七点钟了,杰克理应随时到达。(推测)(5)Tom should not /ought not to have told me your secret,but he meant no

7、 harm. (虚拟)汤姆本不该告诉我你的秘密,可是他并无恶意。can 和could 表示推测的用法对现在或将来的推测,两者均可用,但can 通常只用于否定句或疑问句中,一般不用于肯定句,而could则可用于肯定句、否定句和疑问句;对过去的推测,应在 can,could 之后接动词的完成式,且此时can仍只用于否定句或疑问句,不用于肯定句;而could 则可用于各种句型。如:Can Could this be true? 这能是真的吗Where can could he have gone? 他能到哪里去了呢She cant couldnt have left so soon. 她不可能走得这

8、么早。注:could后接动词的完成式,除表示对过去的推测外,还可表示过去没有实现的可能性(即某事本来可以发生,却没发生),或委婉地责备某人过去应该做某事而没有去做(此时不用can)。如:You could have started a little earlier. 你本可早点动身的。You neednt have cooked it. We could have eaten it raw. 你其实可以不煮熟(它),我们(本来)可以生吃。can 和could 表示允许的用法表示现在的允许时,若是请求别人允许自己做某事,两者均可用,但用could 语气更委婉;若是自己允许别人做某事,一般只用 c

9、an,而不用 could。如:Can Could I come in? 我可以进来吗“Could Can I use your pen? ” “Yes,of course you can.” “我可以借用你的钢笔吗?”“当然可以。”(不能说Yes,you could.)表示过去的允许时,若表示过去一般性允许(即表示某人随时都可以做某事),用could;若表示在过去某一特定情况下允许进行某一特定的活动,则不用 could。如:When I lived at home,I could watch TV whenever I wanted to. 我住在家里时,想什么时候看电影就可以什么时候看。(一

10、般性允许)I was allowed to see the film yesterday evening. 昨天晚上允许我去看了电影。(特定的允许,不能用 could)can 和could 表示能力的用法can 表示现在的能力,could 表示过去的能力,要表示将来具备的能力通常 be able to 的将来时态。其中要注意的是,could 表示过去的能力,通常只用于表示过去一般性能力,而不表示过去具体某次特定情形下能够做某事的能力。如:他学习很努力,所以考试能及格。误:He studied hard and could pass the exam.正:He studied hard and

11、was able to pass the exam.注:若在否定句中没有以上限制,即couldnt 可表示过去特定情况下的能力,如可说 He studied hard but still couldnt pass the exam.口诀:情态动词两特点动词原形接后面,说话语气较委婉。can 能力may许可,must责任或义务。否定回答neednt换,需要need, dare敢。should应该,would愿,have to被迫表客观。情态动词专项练习题1. - Where is Mary? - She _ in the library. A. should be B. must be C. c

12、an be D. must have been2. His room is dark. He must _ to bed. A. go B. be going C. have gone D. have been gone3. “Will your father stay home tonight?” “Im not sure, He _to work.” A. must go B. can go C. may be gone D. may be going4. “Where is Tom?” “He isnt here I think he _ have gone home.” A. may

13、B. must C. might D. A or B or C5. “I think Helen is at home.” “ No, she _ be at home, for she phoned me from the airport just five minutes ago.” A. mustnt B. neednt C. cant D. darent6. Hes late. What _ have happened to him? A. can B. may C. should D, must7. “ _ he be watching TV now?” Yes, he _ be w

14、atching TV now.” No, he _ be watching TV now.” A. Must; can; mustnt B. Can; must; cant C. Must; must; cant D. Can; can; mustnt8. “_. He have left yesterday?” Yes, he _ yesterday.” No, he _ yesterday.” A. Must; must have left; cant have left B. Can; can have left; cant have left C. Can; must have lef

15、t; cant have left D. May; must have left; shouldnt have left9. You must be a writer, _ you? A. mustnt B. are C. must D. arent10. You must have seen her yesterday, _ you? A. mustnt B. havent C. didnt D. dont11. You must have seen her, _ you? A. havent B. didnt C. dont D. A or B12. There was plenty of

16、 time. She _ worried or hurried. A. mustnt have B. shouldnt have C. must be D. neednt have13. I got up early, but I _ so because I had no work to do that morning. A. mustnt have done B. didnt need to do C. neednt have done D. cant have done14. I _ up early this morning. So I stayed in bed till 9 a.

17、m. A. neednt have got B. didnt need to get C. shouldnt have got D. cant have got15. The flower is dead. I _ it more water. A. will give B. would have given C. must give D. should have given16. He _ have come here yesterday, but he didnt. A. could B. should C. ought to D. A or B or C17. “Must he do i

18、t?” “No, he _.” A. mustnt B. neednt C. doesnt have to D. B or C18. “Need you go now?” “Yes, I _.” “No, I _.” A. need; neednt B. must; neednt C. may; mustnt D. can; neednt19. “May I borrow your bike?” “No, you _.” A. mustnt B. may not C. had better not D. cant20. “Can I do it?” “No, you _.”or “No, pl

19、ease _.” A. cant; doesnt B. cant; dont C. cant; cant D. cant; you dont21. I missed the last bus, so I _ go home on foot. A. must B. have to C. may D. had to22. We _ hurry if we want to arrive in time. A. must B. need C. may D. have to23. He ought to have won the first prize, _ he? A. oughtnt B. shou

20、ldnt C. mustnt D. oughtnt to24. He _ get up early when he lived in the countryside. A. would B. used to C. mustnt D. cant25. My brother _ be very naughty, and my sister _ like reading. A. used to; would B. would; used to C. used to; used to D. would; would26. _ you please pass on a message to him? A

21、. Do B. Shall C. May D. Will27. _ we set off now? A. Shall B. Will C. Would D. ought28. “_ he open the window?” Yes, please.” A. Does B. will C. Shall D. Would29. Ive told him many times, but he _ listen to my advice. A. shall not B. wont C. will not D. wouldnt30. “Will you lend me a hand?” “Yes, I

22、_.” A. will B. shall C. can D. may31. Everyone _ do his best for the modernization of China. A. will you B. dont we C. shall we D. do you32. Lets clean our room, _? A. will you B. dont we C. shall we D. do you33. Let us watch TV, _? A. will you B. dont we C. shall we D. do you34. Close the door afte

23、r you, _ you? A. dont B. do C. shall D. will35. Every time he meets me, he _ to me. A. smiled B. would smile C. will smile D. is smiling情态动词部分1-5 BCCDC 6-10 ABCDC 11-15 DDCBD 16-20 DDBDB21-25 DDDDC 26-30 DACDA 31-35 CCADC 您好,欢迎您阅读我的文章,本WORD文档可编辑修改,也可以直接打印。阅读过后,希望您提出保贵的意见或建议。阅读和学习是一种非常好的习惯,坚持下去,让我们共同进步。

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