初中情态动词用法总结,练习含答案

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1、学习资料收集于网络，仅供参考专项：情态动词一 考点 ： 情态动词的用法和辨析，情态动词表示推测和可能，由情态动词引导的一般疑问句的回答。二 类型 ： 1 只是情态动词：can, could, may, might, must2 可做情态动词，可做实义动词：need, dare3 可做情态动词，可做助动词：will, would, shall, should4 特殊： have to, ought to, used to三 特征 ： 1 有一定的词义，但不能单独作谓语，必须与行为动词和系动词连用构成谓语。2 无人称和数的变化。 （ haveto 除外）Eg: He has to stay her

2、e.3 后接动词原形。4 具有助动词作用，可构成否定，疑问或简短回答。四用法：1. can 表示能力， “能，会 ”。Eg : Can you play basketball? 表示怀疑，猜测，常用于否定句或疑问句。Eg :Li hua canbeint the classroom. 表示请求，允许，多用于口语，译“可以 ”=may.Eg: you can go now. can 开头的疑问句，肯定句，否定句用can 或 can t.2.could can 的过去式， 表示过去的能力。Eg :I could swim when I was seven years old. could 开头的疑

3、问句，肯定和否定回答用could, couldn t如果 could 表示现在的委婉，用can 回答。Eg: Could I have a drink? Yes, you can.3.may 表示推测， “可能，也许 ”，用于肯定句。Eg: He may come tomorrow. 表示请求， “许可 ,可以 ”。 Eg: May I borrow your book?注：表示请求，许可时，主语为第一人称的一般疑问句，否定回答用 mustn 不t“可以，禁止，不许 ”,不用 may not 可“能不 ”。表示祝愿。 Eg :May you success.4.might 表示 “可以 ”，用

4、于过去时中。Eg: He told me I might smoke in the room.用于现在时， 表示说话更委婉， 礼貌。Eg: He might be doing his lessons now.学习资料学习资料收集于网络，仅供参考5.must 表示 “必须，应该 ”。表示推测， 常用在肯定句中， 表 “一定 ”。Eg: There is someone knocking at the door. It must be Jim.否定句中，mustnt 表示禁止，“不允许”。以 must 开头的疑问句， 肯定句回答用 must,否定回答用 neednt, 表示 “不需要，不必” =“

5、donthave to” .表示“偏偏” 。 Eg: Must you play the piano at this time.6.need 情态动词： +do,用 need 提问或回答，肯定句回答用must ,否定句回答用neednt.Eg: You needntcome to school so early.实义动词： +to do , 用助动词提问和否定。 +doing 表示被动。 neednthave done 表示没必要做某事但是做了。 Eg: I actually needn thave bought so much wine.7.dare 情态动词，多用于疑问句，否定句，条件句中

6、。Eg: I mafraid you dare not to do such a thing.注：I dare say 习惯说成“也许，我想”。Eg: It will rain this afternoon, I dare say.实义动词： dare to do ,用于肯定句中，当用于否定句或疑问句时，to 可以省略。Eg: This student doesn t dareto raise any question in class.8.shall用于第一人称表示征求意见，询问。Eg: Shall I open the window?Shall we have lunch here?表示说

7、话人的态度， “命令，警告，允诺，威胁”。Eg: You shall finish your homework first.用于第三人称，在条约， 规定，法令等文件中表示义务或规定，“应该， 必须”。（不常用）9.should表示义务，责任“应该”。 Eg:We should obey traffic laws.作为 shall 过去式，用于第一三人称， 表示征求意见。 Eg: Mr Lee asked if he should get his visa.表示 “竟然”。Eg: It s unthinkable that the boy should sing such a beautiful

8、 song.表示说话人的特殊情感，如惊奇，愤怒，失望等。Eg: How should I know?学习资料学习资料收集于网络，仅供参考表示劝告，建议， “应该”。Eg: You should listen to your teacher.10.will用于第二人称表示询问，请求，也可以表达现在的“意愿”。Eg: Will you pass me the book?表示意愿，决定，允诺，用于各种人称。Eg: I will try my best to help you.表示规律性的“注定会”。Eg: People will die without air or water.11.would 表

9、示过去的意愿或委婉询问。Eg: Would you tell me the way to the station?12.have to “必须，不得不”，强调客观需要， 含有时态的变化。Eg: I llhave to ask Jim instead.区别： must 表示“必须，应该“，主观看法。13.oughtto 表示职责，义务或要求，及人们应该去做的正确的事或好事。Eg: Humans ought to stop polluting nature.比 should 语气强， ought to 反映客观情况，should 表示主观看法。 ought to have done 本应该做而没有

10、做。Eg: You are late. You ought to have arrived five minutes earlier.14.used to 表示“过去常常，过去是“，没有人称和数的变化，可以和过去的时间状语连用。否定形式：usedntto 或 didn tuse to ,疑问词将 use提前或 Diduse to?Eg: He didn tuse to be so careless.区别would :带有主观性，并且现在做不做不知道。Used to : 客观性，和现在进行对比，过去常常，现在就不怎么做了。Eg: He would phone me on Sunday.Eg: I

11、 used to be very fond of music when I was young.区别： be used to doing （情态动词）习惯于Used to do （情态动词）过去是，过去常常Be used to do (过去式 ) 被用来做Eg: I am already used to noisy city life here.My parents used to live in South America.This machine is used to cut up waste paper.学习资料学习资料收集于网络，仅供参考15.其他 ： had better do 最好

12、做某事Eg: You had better stay at home.否定： had better not do be able to 与 can 表示能力时用法相同，但前者有时态的变化，有能力成功做某事。Eg: We will be able to come back next week.完形填空Have you ever seen the advertisement: Learn a foreign language in six weeks,1give yourmoney back? Of course, it2happens quite like that. The only lang

13、uage3to learn is themotherlanguage. And think4practiceis needed for that. Before the Second World Warpeople usually learned a foreign language5 the literature( 文学 ) of the country. Now mostpeople want to6a foreign language. Every year millions of people start learning7 .How do they do it? Some peopl

14、e try at home8books and tapes, others go to eveningclasses or watch TV programs.9they use the language only 2 or 3 times a week, learning itwill10 a long time, like language learning at school. A few people try to learn a language fastby studying for 6 or11hours a day. Its mucheasier to learn the la

15、nguage inthe countrywhere it12. Butmost people are13to do this, and many people dont have to do so.Machinesandgoodbookswillbevery14,but they can not do the studentswork.15the language is learned quickly or slowly, it is hard work.()1. A. soB. orC. andD. but()2. A. can tB. impossibleC. neverD. often(

16、)3. A. easilyB. difficultC. ableD. easy()4. A. how muchB. how longC. how fastD. how many()5. A. studiedB. to studyC. studyingD. study()6. A. talkB. tellC. speakD. say()7. A. themB. thisC. thatD. it()8. A. withoutB. withC. inD. by()9. A. IfB. WhenC. SinceD. Until()10. A. spendB. useC. takeD. cost()11

17、. A. someB. moreC. otherD. less()12. A. speaksB. is speakingC. spokeD. is spoken()13. A. ableB. possibleC. unableD. not possible()14. A. carefulB. forgetfulC. wonderfulD. helpful()15. A. eitherB. whetherC. whatD. how专题练习：一选择题1. It is usually warm in my hometown in March, but it _ be rather cold some

18、times.A. mustB. canC. shouldD. would学习资料学习资料收集于网络，仅供参考2.You _ be hungry already - you had lunch only two hours ago!A. wouldn tB. cantC. mustntD. neednt3.- What do you think we can do for our aged parents?- You _ do anything except to be with them and be yourself.A. don thave toB. oughtn ttoC. mustnt

19、D. cant4.John promised his doctor he _not smoke. And he has never smoked ever since.A. mightB. shouldC. couldD. would5.What a pity! Considering his ability and experience, he _ better.A. need have doneB. must have doneC. can have done D. might have done6.Liza _ well not want to go on the trip - she

20、hates traveling.A. willB. canC. mustD. may7.She _ have left school, for her bike is still here.A. cantB. wouldn tC. shouldn tD. neednt8.According to the air traffic rules, you _ switch off your mobile phone before boarding.A. mayB. canC. wouldD. should9.- I can tfind my purse anywhere.- You _ have l

21、ost it while shopping.A. mayB. canC. shouldD. would10. - I m sorry. I _ at you the other day.- Forget it. I was a bit out of control myself.A. shouldn tshoutB. shouldn thave shoutedC. mustntshoutD. mustn thave shouted11. - What sort of house do you want to have? Something big?- Well, it _ be big - t

22、hat s not important.A. mustn tB. needntC. cantD. won t12. - What does the sign over there read?- “No person _ smoke or carry a lighted cigarette, cigar or pipe in this area. ”A. willB. mayC. shallD. must13. Some aspects of a pilots job _ be bring; and pilots often _ work at inconvenient.A. can; have

23、 toB. may; canC. have to; mayD. ought to; must14.My MP4 player isn tin my bag. Where _ I have put it?A. canB. mustC. shouldD. would15.The weather turned out to be fine yesterday, I _ the trouble to carry my umbrella with me.A. should have takenB. could have taken C. neednthave taken D. mustn thave t

24、aken16. In crowded places like airports and railway stations, you _ take care of your luggage.学习资料学习资料收集于网络，仅供参考A. canB. mayC. mustD. will17. - She looks very happy. She _ have passed the exam.- I guess so. It s not difficult after all.A. shouldB. couldC. mustD. might18. I told your friend how to ge

25、t to the hotel, but perhaps I _ have driven her there.A. couldB. mustC. mightD. should19. - Mr. Gordon asked me to remind you of the meeting this afternoon. Dontforget it! -OK, I _.A. won tB. don tC. cantD. neednt20. - How is your tour around the North Lake? Is it beautiful?- It _ be, but it is now

26、heavily polluted.A. willB. wouldC. shouldD. must21. The biggest problem for most plants, which _ just get up and run away when threatened, is that animals like to eat them.A. shantB. cantC. needntD. mustn t22. - Where is my dictionary? I remember I put it here yesterday.- You _ it in the wrong place

27、.A. must putB. should have putC. might putD. might have put23. - What s the name?- Khulaifi. _ I spell that for you?A. ShallB. WouldC. CanD. Might24. - Who is the girl standing over there ?- Well, if you _ know, her name is Mabel.A. mayB. canC. mustD. shall25. I was really anxious about you. You _ h

28、ome without a word.A. mustn thave leftB. shouldn thave leftC. couldn thave leftD. neednthave left26. My sister met him at the Grand Theatre yesterday afternoon, so he _ have attended your lecture.A. couldn tB. needntC. mustntD. shouldn t27. - Are you coming to Jeff s party?- I m not sur. I _ go to t

29、he concert instead.A. mustB. wouldC. shouldD. might28. Johnny, you _ play with the knife. You _ hurt yourself.A. won t; cantB. mustnt; mayC. shouldnt; mustD. cant; shouldn t29. You _ pay too much attention to your reading skill, as it is so important.学习资料学习资料收集于网络，仅供参考A. shouldn tB. cannotC. mustntD. neednt30. - Is John coming by train?- He should, but he _ not. He likes driving his car.A. mustB. mayC. canD. needAnswers：1 5 BBADD6 10 DADAB11 15 BCAACAnswers: 16 20 CCDAC2125 BDACB26 30 ADBBB完形填空1 5 BCDAB6 10CDBAC11 15 BDCDB学习资料