情態(tài)動(dòng)詞考點(diǎn)精簡(jiǎn)

1、情態(tài)動(dòng)詞的考點(diǎn)精簡(jiǎn)一、何謂"情態(tài)動(dòng)詞”？情態(tài)動(dòng)詞主要用來表示說話人的情感、態(tài)度等，是中學(xué)英語語法的重點(diǎn)，也是高考的熱點(diǎn)， 是單項(xiàng)填空必考的一個(gè)知識(shí)點(diǎn)。高考試題常常借助語境和句子之間意義上的細(xì)微差別來考查學(xué)生對(duì)情態(tài)動(dòng)詞的基本用法及其區(qū)別，近五年高考中主要考查四點(diǎn)：情態(tài)動(dòng)詞表示推測(cè)和可 能性的用法；情態(tài)動(dòng)詞與虛擬語氣；情態(tài)動(dòng)詞的表達(dá)"情感、態(tài)度、語氣等”，情態(tài)動(dòng)詞表示“必要性”等方面的用法。二、情態(tài)動(dòng)詞的特點(diǎn)1. 沒有人稱和數(shù)的變化。2. 有些情態(tài)動(dòng)詞有過去式的變化：e.g. will t would , can could , may might , dare dared三、

2、情態(tài)動(dòng)詞的否定形式情態(tài)動(dòng)詞 + not + 動(dòng)詞原形 can not: can't , must not: must n't , n eed not : n eed n't四、情態(tài)動(dòng)詞的用法（?？伎键c(diǎn)）Shall一）用于一、三人稱疑問句中，表示說話人征求對(duì)方意見和向?qū)Ψ秸?qǐng)示。Shall we begin our class?Shall he come in, sir?（征求對(duì)方意見）二）用于二、三人稱表命令、許諾、警告、規(guī)定、威脅、決心、也用于宣布法律、規(guī)定的要求1. You shall get my reply tomorrow.（ 許諾）2. “ The inter

3、est shall be divided into five parts, according to the agreement made by both side （命令）3. You shall be sorry for what you said one day, I tell you. （警告、威脅 ）4. Nothing shall stop us from advancing.（ 決心）5. What does the sig n over there read? “ No persoishall smoke or carry a lighted cigarette , cigar

4、 or pipe in this area.（要求）”Should一）應(yīng)該，表示責(zé)任、義務(wù)According to the air traffic rules, you should switch off your mobile phone before boarding.二）竟然、（從句中）驚奇、懷疑、不滿（expect、, think, believe等詞后）委婉客氣（第一人稱）驚訝、埋怨（二、三人稱）萬一（if從句中）1. ）it ' s a pity that he should be so carelesS.然 ）2. ）I never expect that you sho

5、uld have come here.（驚奇 ）3. ）I should advise you not to do it.（委婉 客氣）4. ） Who should come to see you when you are in trouble!（ 埋怨 ）5. ） If you should change your mind, please let me know.（萬一）三）表示合理的推測(cè)The video should be very interesting, in which you can see foreigners making Jiaozi during the Spring

6、 Festival.四）if引導(dǎo)的虛擬條件句中，從句中只可出現(xiàn)should.Should I have time, I would go there with you.五）要求，命令和請(qǐng)求含義的動(dòng)詞后，接賓語從句，從句中謂語“should do ” ,should可以省略Tom suggested that I （should） go there at once.六）should have done 本應(yīng)該做但是沒做shouldn't have done 本不應(yīng)該做但是做了You should have studied hard.Must一）表示必須要做的事 : 必須-Must I g

7、et to the station before three o'clock?-Yes, you must. （ No, you needn't. ）二）用于指 偏要、硬要 （ 令人不快的事）1. The car must break down just when we were in the jungle. （ 偏要 ）2. - Could I have a word with you, mum?- Oh, dear, if you must.3. -Who is the girl sta nding over there?- Well, if you must know,

8、her name is Mabel.三）用于表肯定的猜測(cè)He is absent today, and something must have happened to him.She must be at home now, as I just called her.四）禁止 （否定句 ）You must n ' t makoises in the library.（禁止）（注：must n't 沒有表推測(cè)的意思 ）Can could一）能力（陳述句） He can swim./ He could swim when he was a child.二）驚異、懷疑、不相信（否定、

9、疑問、驚嘆句）How can you be so careless？三）can't 表推測(cè)"一定不是” He can'tbe Mr. White, because I don 'tknow him.四）can/ could 用于否定和疑問表猜測(cè) I lost my purse. Where could I have put it?五）can 用于客觀事實(shí)的推測(cè)，可能出現(xiàn)的某種現(xiàn)象He is friendly, but sometimes he can be difficult to get along with.The northern part of Chi

10、na is cold, but sometimes it can be warm.Nowadays, graduates can have difficulty finding jobs.六）be able to do sth. 經(jīng)過努力能達(dá)到4. The fire in the hotel spread fast but fortunately all of the people were able to ran out. （ 經(jīng)過努力 能達(dá)到 ）May might一）祝愿（祈使句）May you return in safety. （ 祝愿 ）二）可以（語氣弱）. May I come i

11、n ? （ 可以 ）三）表推測(cè)，不太可能的推測(cè)Helen may go on the trip with us, but she isn 'tquite sure yet.四）may as well do sth.Now that you are here, you may as well try your best.may well do sth.He may not well go with us he hates travel.五）might 用于虛擬If he came here tomorrow, he might have a chanee of talking with

12、her.Will一）意愿、決心、習(xí)慣性、傾向性、請(qǐng)求1.1' ll do my bestir愿）2. I will never do such a thing again. （ 決心 ）3. Fish will die without water. （ 習(xí)慣性、傾向性 ）4. Will you give me a piece of paper? （ 請(qǐng)求 ）二）區(qū)分于 be going to, 表示沒有計(jì)劃，臨時(shí)決定-I 'm sorry. I forgot to send the letter for you.-It does n 'matter. I will go

13、 myself.Would He promised he would never smoke again. （will 的過去式 ）Would you ?"I would like to（婉轉(zhuǎn)語氣）Last year our English teacher would sometimes tell us stories in English after class.（過去的習(xí)慣動(dòng)作，比used to正式，并沒有 現(xiàn)已無此習(xí)慣”的含義。）It would be about ten when he left home.（表料想或猜想 ）Dare need1. I dare to go t

14、here alone at ni ght.2. Do you dare to go there alone at ni ght? = Dare you go there alone at ni ght?3. I don ' t dare （to ）go theoeeilat night. = I dare not go there alone at night.dare say dare tell dare speak4 need n'thave done本沒有必要做，但是做了You n eed n'thave waited for her, as she did n

15、'tgo there.情態(tài)動(dòng)詞+ do表示對(duì)現(xiàn)在的推測(cè)情態(tài)動(dòng)詞 + have done 表示對(duì)過去的推測(cè)（ 對(duì)過去的一種結(jié)果的假設(shè)或虛擬） should （not） / ought （not） to have done本（不）應(yīng)該做某事，但卻沒有做或做了，含有責(zé)備或后悔之意。例如： 一I ' m sorry. Iat you the other day.B. shouldn' t have shoutedC. mustn ' t have shoutedForget it. I was a bit out of con trol myself.A. should

16、n' t shoutC. mustn ' hbstcould have done本來能夠做某事但未做。例如:it without you.Thank you for all your hard work last week. I don' t think weA. can man ageB. could have man agedC. could man ageD. can have man agedneedn ' t have do本沒有必要做某事但卻做了。要注意needn' t d則表達(dá) 沒有必要去做某事”，時(shí)間上應(yīng)該是現(xiàn)在或?qū)?。例? Cathe

17、ri ne, I have clea ned the room for you.Than ks. Youit. I could man age it myself.A. needn ' t doB. needn ' t have doneC. mustn ' t doD. shouldn' t have done(4)would (not) have done本來(不)會(huì)發(fā)生某事，但卻(發(fā)生了)或沒有發(fā)生。常用于虛擬條件句或含蓄虛擬條件引導(dǎo)的虛擬語氣，表示對(duì)過去所發(fā)生事情結(jié)果的假設(shè)。例如:He hesitated for a mome nt before kic

18、ki ng the ball, otherwise, hea goal.A. had scoredB. scoredC. would scoreD. would have scored(5) might have done表示 本來可能”，但實(shí)際上沒有發(fā)生的事。 例如：What a pity! Con sideri ng his ability and experie nee, hebetter.DA. n eed have doneB. must have done1. -How' s your tour around the North Lake? Is it beautiful?

19、-Itbe, but it is now heavily polluted.A. will B. would C. should D. must2. In crowded places like airports and railway stati ons, youtake care of your luggage.A. can B. may C. must D. will3. -What do you think we can do for our aged pare nts?-Youdo anything except to be with them and be yourself.A.

20、don ' t hat®B. oughtn ' t to C. mustn ' t D. can t'4. -What does the sig n over there read?- No personsmoke or carry a lighted cigarette, cigar or pipe in this area.A. will B. may C. shall D. must5. The biggest problem for most pla nts, whichjust get up and run away whe n threat

21、e ned,is that ani mals like to eat them.A. sha nt ' B. cant' C. n eed nt ' D. must nt '6. -Guess what! I have got A for my term paper.-Great! Youread widely and put a lot of work into it.A. must B. should C. must haveD. should have7. My MP4 player isn t in'my bag. WhereI have put

22、 it?A. can B. must C. should D. would8. -She looks very happy. Shehave passed the exam.-I guess so. It ' s not difficult after allA. should B. could C. must D. might9. -My cat ' s really fat.-Youhave give n her so much food.A. would n ' t B. couldn ' t C. shouldn ' t D. must nt&#

23、39;10. -Where is my dict ion ary? I remember I put it here yesterday.-Youit i n the wrong place.A. must put B. should have put C. might put D. might have put 情態(tài)動(dòng)詞1. Tom, youleave all your clothes on the floor like this!A. wouldn ' t B. mustn ' t C. needn ' t D. may not2. Joh n, I ook at

24、the time.you play the pia no at such a late hour?A. Must B. Can C. MayD. Need3. Therebe any difficulty about pass ing the road test since you have practiced a lot in the drivi ngschool.A. mustn ' t B. shan ' t C. shouldn ' t D. needn ' t4. Ihave bee n more tha n six years old whe n t

25、he accide nt happe ned.A. shouldn ' t B. couldn ' t C. mustn ' t D. needn ' t5. This cake is very sweet. Youa lot of sugar in it.A. should put B. could have put C. might put D. must have put6. The World Wide Web is sometimes jok in gly called the World Wide Wait because itbe very slo

26、w.A. should B. must C. will D. can7. _ Catheri ne, I have clea ned the room for you._ Than ks. Youit. I could man age it myself.A. needn ' t do B. needn ' t have done C. mustn ' t do D. shouldn ' t have done8. _ Lucy doesn 't mind lenydoinugher dictionary._ She . I've already

27、 borrowed one.A. can 't B. mustn 't C. needn 't D. shouldn 't9. _ Do you know where David is? I couldn't find him anywhere._ Well. He have gone far his coat 's still here.A. shouldn 't B. mustn 't C. can 't D. wouldn 'td like to go to Tibet and travel through

28、as much of it aby a police car. They at least 150C. could have done D. would have done10. If I plan to do anything I wanted to, Ipossible.A. would B. could C. had toD. ought to11. I was on the highway when this car went past followed kilometers an hour.A. should have been doing B. must have been doi

29、ng12. He paid for a seat, when he have entered free.A. could B. would C. must D. need13. _ Tom is never late for work. Why is he absent today?Something to him.A. must happen B. should have happened C. could have happened D. must have happened14. Helen g o on the trip with us, but she isn't quite

30、 sure yet.A. shallB. mustC. mayD. can15. _ The woman biologist stayed in Africa studying wild animals for 13 years before she returned._ Oh, dear! She a lot of difficulties!A. may go throughB. might go through C. ought to have gone through D. must have gone through16. _ Tom graduated from college at

31、 a very young age._ Oh, he have been a very smart boy then.A. couldB. should C. might17. “The interest be dividedD. mustinto fiveparts, according to the agreement made by both sides, ”declared the judge.A. may B. should18. There are eight tips in Dr. Roger think it is necessary.A. doesn 't go B.

32、 not to goC. not going19. _ I 'll tell Mary about her new job tomorrow. _ You her last week.C. mustD. shallsslelepc,tuarnedoonne ofthem is:to bed early unless youA. ought to tellB. would have toldD. don 't goC. must tellD. should have told20. _ Excuse me. Is this the right way to the Summer

33、Palace? _ Sorry, I am not sure. But it be.A. might B. willC. mustD. can21. I pay Tracy a visit, but I am not sure whether I will have time this Sunday.A. should B. might C. wouldD. could22. _ I don't mind telling you what I know._ You . I'm not asking you for it.A. mustn 't B. may notC.

34、can 't D. needn 't23. I often see lights in that empty house. Do you think I report it to the police?A. should B. may C. will D. can24. Mr. White at 8:30 for the meeting, but he didn't show up.A. should have arrivedB. should arriveC. should have had arrivedD. should be arriving25. Yoube

35、tired you ' ve only been working for an hour.A. must not B. won ' t C. can ' t D. may not26. Children under 12 years of age in that country be under adult supervision when in a publiclibrary.A. must B. may C. can D. need27. _ Who is the girl standing over there?_ Well, if you know, her n

36、ame is Mabel.A. may B. can C. must D. shall28. _ excuse me, but I want to use your computer to type a report._ You have my computer if you don' t take care of it.A. shall not B. might not C. needn ' t D. shouldn ' t29. You might just as well tell the manufacturer that male customers not

37、like the design of thefurniture.A. must B. shall C. may D. need30. A left-luggage office is a place where bags be left for a short time, especially at a railwaystation.A. should B. can C. must D. will31. How you say that you really understand the whole story if you have covered only part of theartic

38、le?A. can B. must C. need D. may32. _ The room is so dirty, we clean it?_ Of course.A. willB. ShallC. WouldD. Do33. Naturally, after I told her what to do, my daughter go and do the opposite!A. mayB. canC. must D. should34. My English Chinese dictionary has disappeared. Who have taken it?A. should B

39、. must C. could D. would35. _ Is John coming by train?_ He should, but he not. He likes driving his car.A. must B. can C. need D. may36. _ I heard they went skiing in the mountains last winter._ It true because there was little snow there.A. may not be B. won ' t be C. couldn ' t be D. mustn

40、 ' t be37. It has been announced that candidates remain in their seats until all the papers have beencollected.A. can B. will C. may D. shall38. _ I hear you' ve got a set of valuable Australian coins. I have a look?_ Yes, certainly.A. Do B. May C. ShallD. Should39. _ What about going to att

41、ending his birthday party tomorrow evening?_ That ' ll depend on my work, btuit be a suitable time for me.A. must B. should C. might D. will40. The monkeys look sweet, but they be very naughty.A. may B. need C. should D. can41. You scold such a pupil who always keeps silent so seriously that you

42、 h u rt him.A. should; can B. may; will C. mustn ' t ; may D. can ' t ; must42. It has been announced that all the students put on masks（ 口罩 ） before going to school in casethey are infected with SARS virus.A. shall B. will C. need D. may43. _ Is there a basketball match between the Lakes an

43、d the Huston Rockets this evening?_ There be. I ' ll phone the gym and find it out.A. mightB. wouldC. mustD. can44. It 'ansgderous. You leave the room immediately!A. willB. shallC. can D. would45. The careless driver knocked down the old man. He have driven so fast.A. can ' t B. mustn &#

44、39; t C. wouldn ' t D. shouldn ' t46. _ Could you possibly get me a new copy of Longman Dictionary?_ There be no problem.A. couldB. wouldC. might D. should47. It heavily when he got back home, for he was wet all over.A. was rainingB. must have been raining C. must be raining D. rained48. _ D

45、id Mary come to the party?_ I don ' t know. She while I was out.A. may have comeB. must have comeC. might comeD. could come49. He another career, but at the time, he didn ave enough mon'eyt hto attend graduate school.A. might chooseB. might have chosenC. had to choose eD. must have chosen50.

46、 _ I ' m thinking of losing weight these days._ Oh, you be out of your mind. You' re 50 kilograsmt!s at the moA. willB. should C. may D. must51. _ Are you in a hurry?_ No, in fact, I' ve got plenty of time. I wait.A. must B. canC. may D. should52. _ you be happy!_ The same to you!A. Wish

47、B. HopeC. May D. Should53. _ Would you like to watch the video, in which you can see foreigners making Jiaozi during the Spring Festival?_ Sure, it be very interesting.A. should B. mayC. can54. _ How is that , Joan?_ Yeah, itA. shall go55. _ Why aren_ They _'s from the boss. SheA. can have misse

48、dB. ought to have gone 't they here yet? the bus.B. must be late forD. will_ first, whether she likes it. C. should go D. must have goneC. may have missedD. might be late for56. He traveled to many mountain villages and saw many poor children out of school. This experience his life.A. would chan

49、geB. had changedC. was to change D. was changed57. _ John saw a three-year-old child walking alone in a shopping mall, so he took the child home immediately and called the police._ But he have waited with the child until the parents returned.A. shouldn ' t B. couldC. wouldD. might58. When he was

50、 there, he go to the coffee shop at the street corner after work every day.A. would B. shouldC. had betterD. might59. _ Why didn' t you attend the lecture yesterday?_ I didn ' t think that we o_n_Sundays.A. shouldB. ought to haveC. shouldn ' t have D. will have to60. _Shall I go and buy

51、more food and drinks for the party?No, we have prepared a fridge of those. That be quite enough.A. can B. may C. might61. _ Hurry up, Michael! ItD. ought to 's ten to three.Goodness me! The class . I' ll be late again.A. must begin B. may beginC. should have begunD. must have begun62. Last y

52、ear 'SsARS outbreak tells us that a sound public health system be built up andstrengthened in our country.A. shouldB. canC. willD. may63. The thief in from the kitchen window as the door was closed.A. may climbB. must have climbedC. could have climbed D. should have climbed64. Mike come to see m

53、e. I don ' t want to go out in case he comes.A. can B. must C. may D. will65. He had been knocking at the door for a long time, but no one came to open it. he said to himself, in doors ” .A. must be B. can beC. may beD. should be66. _ We need a person badly to think up such an idea._ the new com

54、puter have a try?A. ShallB. MayC. ShouldD. Need67. We so tired. We e only'bveen to a party.A. mustn ' t have felt B. wouldn ' t have felt C. shouldn ' t have felt D. couldn ' t have felt68. Professor Smith, many students want to see you, they wait here or outside?A. DoB. ShallC.

55、WillD. Would68. _ The door was open._ It open. I had locked it myself and the key was in my pocket.A. can not beB. must not beC. can not have beenD. must not have been70. _ I didn' t know you were good friends._ You . I have known her since she moved here. You were studying abroad then.A. may ha

56、veB. needn ' t have C. couldn ' t have D. must have71. Haven ' t I told you already that you have my reply tomorrow morning?A. willB. shallC. mustD. ought to72. I ' d like to take tomorrow off, I ?A. shallB. mayC. would D. should73. research findings show we spend about two hours dre

57、aming every night, no matter what we during the day.A. should have done B. would have doneC. may have doneD. must have done74. _ he help you with the problem?_ Well, though it is very hard, I' ll do what I can to work it out.A. Shall ; butB. Can ; andC. Must ; howeverD. Will ; still75. _ Where Margaret have put the empty bottles?_ She them away. They must be somewhere.A. can; can ' t have thrownB. must; needn ' tC. must ; must have thrownD. can; must throw76. _ Mum, I climbed to get the Teddy Bear from the top of the shelf._ My goodness! You yourself. You do