情態(tài)動(dòng)詞用法課件!31

1、情態(tài)動(dòng)詞 1語法特征 情態(tài)動(dòng)詞，在英文中主要用來表示說話人的看法、態(tài)度等。從用法上來說，它有這樣幾個(gè)特點(diǎn)：1各個(gè)情態(tài)動(dòng)詞自身都有一定的詞義。2不能在句中獨(dú)立擔(dān)當(dāng)謂語，也沒有非謂語形式。3情態(tài)動(dòng)詞在句中不受任何人稱,數(shù)變化的影響。4) 情態(tài)動(dòng)詞后接的不定式除ought外都不帶to ，即接動(dòng)詞原形。英文中的情態(tài)動(dòng)詞主要有：can , could ; may , might ; must ; ought ; need ; dare , dared ，另外，shall , will , should , would在一定的場(chǎng)合也可用作情態(tài)動(dòng)詞。2二 情態(tài)動(dòng)詞的用法1 can 的用法1 表能力 (1ca

2、ncould 表示能力；可能 (過去時(shí)用could), 只用于現(xiàn)在式和過去式(could)。be able to可以用于各種時(shí)態(tài)。如：They _tell you the news soon. A. will be able to B can C could The boy _ play the piano very well when he was seven . A. will be able to B can C could 3(2) was were able to 和could 在表示能力時(shí)可以替換；當(dāng)表示成功地做了某事時(shí)，只能用was/were able to，相當(dāng)于manage

3、to 或succeeded in . 不能用could。He was able to flee Europe before the war broke out.= _=_注意：在否認(rèn)句中，兩者可以互換。如：-I wonder why she hasnt turned up yet .-Perhaps she_get away from her work .A wasnt able to B couldnt C cant D is able to He managed to flee Europe before the war broke out.He succeeded in fleeing

4、Europe before the war broke out.4(3) 助動(dòng)詞后只用be able toThey will _ tell you the news soon. 他很快就能告訴你消息了。(4) 情態(tài)動(dòng)詞后只用be able to 。They may _ do it .be able to be able to 52 表示許可，允許，在疑問句中表示請(qǐng)求許可，在否認(rèn)句中表示不許。此時(shí)代替更為正式的May .-_I come in ? A May B CanYou _smoke in non-smoking sections in public places , but you ca

5、n in smoking-sections .The teacher said that we _ play foot ball on the playground .注意：could在表示提出請(qǐng)求時(shí)和推測(cè)時(shí)，不表示時(shí)態(tài)。 - Could I have the television on? - Yes, you _. -No, you _.注意在答復(fù)中不可用couldcantcouldntcancant63表示推測(cè)或疑心，強(qiáng)調(diào)客觀可能性“可能，會(huì)多用于疑問句和否認(rèn)句中，表示推測(cè)時(shí)可用現(xiàn)在時(shí)，進(jìn)行時(shí)，完成時(shí)。句子翻譯：他會(huì)是誰呢？_他不可能正在等你。 _他不可能已單獨(dú)去那里了。 _Who can

6、 he be ?He cant be waiting for you . He cant have gone there along . 72 May 的用法 1 表示允許或請(qǐng)求；口語中?？膳ccan替換。 如：你現(xiàn)在可以走了。_表示沒有把握的推測(cè)；或許，可能表示一件事情或許會(huì)發(fā)生，只用在陳述句中。 如：他可能來，但我認(rèn)為他不會(huì)來。_注意： might 表示推測(cè)時(shí)，不表示時(shí)態(tài)。只是可能性比may 小。He might be at home.You may go now .He may come, but I dont think he will .83) may 放在句首，表示祝愿。愿上帝保佑你

7、！_4 成語： may/might as well，后面接不帶to 的不定式，意為不妨。如果那樣的話，你不妨試一下。 If that is the case , _.典型例題Peter _come with us tonight, but he isnt very sure yet. A. mustB. may C. can D. willMay God bless you !You might as well try it !93 比較have to和must 1)兩詞都是必須的意思，have to 表示客觀的需要， must 表示說話人主觀上的看法，既主觀上的必要。如：我弟弟病得很厲害，我

8、只得半夜里把醫(yī)生請(qǐng)來。(客觀上需要做這件事)_他說他們必須努力工作。主觀上要做這件事 _比較：I must leave now .(主觀) I m afraid youll have to leave now , its a rule of the hospital .客觀My brother is badly ill now , so I have to send for a doctor at midnight . He said they must work hard . 102)have to有人稱、數(shù)、時(shí)態(tài)的變化，而must只有一種形式。He had to look after hi

9、s sister yesterday.3 在否認(rèn)結(jié)構(gòu)中： dont have to 表示不必mustnt表示“禁止，你不一定要把此事告訴他。_你一定不要把這件事告訴他。 _You dont have to tell him about it .You mustnt tell him about it .114在答復(fù)帶有must 的問句時(shí)，否認(rèn)結(jié)構(gòu)不用mustnt 而用neednt dont have to .-Must I go home ? -Yes , _-No _5 表示偏偏，干嘛，指做令人不愉快的事情 The car must break down just when we were

10、about to start off . Must you shout so loudly ?mustneednt / dont have to . ( 干嘛 ) ( 偏偏 )126 must表示推測(cè) 1) must用在肯定句中表示較有把握的推測(cè)，意為一定。2) must表對(duì)現(xiàn)在的狀態(tài)或現(xiàn)在正發(fā)生的事情的推測(cè)時(shí)， must 后面通常接系動(dòng)詞be 的原形或行為動(dòng)詞的進(jìn)行式。 你辛苦干一整天，一定累了。對(duì)現(xiàn)在情況的推測(cè)判斷_他一定在辦公室工作呢。_比較： He must be staying there. He must stay there. Youve worked all day long

11、so you must be tired . He must be working in his office .他現(xiàn)在肯定呆在那里他必須呆在那。133) must 表示對(duì)已發(fā)生的事情的推測(cè)時(shí)，must 要接完成式。我剛剛沒有聽到 ，我想必是睡著了。_4) must表示對(duì)過去某時(shí)正發(fā)生的事情的推測(cè)，must 后面要接動(dòng)詞的完成進(jìn)行式。-Why didnt you answer my phone call?-Well, I _,(sleep) so I didnt hear it.I did hear the phone . I must have slept .must have been s

12、leeping .145) 否認(rèn)推測(cè)用cant。If Tom didnt leave here until five oclock, he cant be home yet.如果湯姆五點(diǎn)才離開這兒，他此時(shí)一定還未到家。 154. shall 用法1用于第一人稱的構(gòu)成一般將來時(shí)。2)一般用于二、三人稱陳述句中，表示命令、許諾、警告、威脅，決心、義務(wù)、規(guī)定等。You shall have my answer tomorrow He shall be sorry for it one day , I tell you .You shall do as I tell you .Nothing shal

13、l stop us from fighting against pollutionEach citizen shall carry ID card when travelling.(允諾)警告命令(決心)義務(wù)、規(guī)定163)用于征求對(duì)方的意見和指示，用在一，三人稱的疑問句中。Shall I turn on the light ? Shall he come to see you ?_注： Shall +第三人稱主格+do sth =Do you want +第三人稱賓格+to do sth .=Do you want him to see you ?175 should 用法Should不是一個(gè)

14、單獨(dú)意義的情態(tài)動(dòng)詞，它只是shall 的過去式。1 表示勸告，建議常作應(yīng)該，應(yīng)當(dāng)之義，與ought to 有時(shí)可以互換，ought to更注意一些責(zé)任義務(wù)。 You should do it by yourself .2 表示按常理進(jìn)行推測(cè)，預(yù)測(cè)其可能性，譯為“應(yīng)該，可能 He should be in his office now .183 should用于某些從句中表虛擬語氣。用于表示建議，命令的從句中，表示建議，命令的動(dòng)詞有suggest 、advice、 demand、 require 、request、desire 、ask 、insist 等詞的賓語從句的謂語動(dòng)詞用should+動(dòng)

15、詞原形。并可以省略。He suggested that I (should) do so.2用在suggestion 、wish 、requirement、 instruction 、order、 等詞后的表語從句或同位語從句中。 It is my wish that you should do so . 193用于一些如it is demand /desired /insisted /ordered /suggested /necessary /important/that .等結(jié)構(gòu)的主語從句中。如It is demanded that we get everything ready by

16、the end of the week . 4表示驚奇，疑心，不滿等情緒，譯為“竟然。常用在why , how 開頭的疑問句，以及I am surprised, It worried me, Its a pity 等結(jié)構(gòu)后的句子中。 Its a pity that he should be so careless . Why should I invite him ? How should I know ？20 6 will 1)表示意志和決心，用于各種人稱。主語為物時(shí)表示固有的性質(zhì)和傾向Ill do my best . The door wont shut.2)表客觀事實(shí)或習(xí)慣動(dòng)作。Fish

17、 will die out of water .Oil will float on water.3表示意愿傾向-Who can close the door ?-I will (Ill do it )注本句不能用be going to /be to do 結(jié)構(gòu)，因?yàn)楸揪洳槐矸桨复蛩?，只是一個(gè)反射性動(dòng)作。213也表示一種揣想推測(cè)，用于二三人稱。They will have arrived by now .他們大概已經(jīng)到了。5)有時(shí)表示，難免 、畢竟。Boys will be boys . 男孩畢竟是男孩。Accident will happen . 事故難免會(huì)發(fā)生。227 would would

18、 是will的過去式，would +v 構(gòu)成過去將來時(shí)，除此之外，是單獨(dú)的情態(tài)動(dòng)詞。1 表示過去時(shí)間的“意志，愿望和決心I told him that I would go along with him .2 委婉提出請(qǐng)求，建議或看法，語氣比will委婉，肯定答語用will .Would you help him ? Yes , I will .3 表示過去的習(xí)慣動(dòng)作和過去的某種傾向。When he was a child he would (used to )play football .23Would 和 used to 的區(qū)別。1 used to 主要用于今昔習(xí)慣的比照，說明過去如何，現(xiàn)

19、在已不再如此了。而would 不能用于今昔習(xí)慣的比照。2 used to 用于表示過去的習(xí)慣或過去一貫存在的情況狀態(tài)，而would只能表示過去重復(fù)的動(dòng)作，不能表示情況或狀態(tài)。如There used to be a house here . 不能用would 這里是表狀態(tài)。3 used to 不可接時(shí)間狀語，而would只談過去，與現(xiàn)在無關(guān)，因此句中常有時(shí)間狀語。always every day 或表示時(shí)間的上下文。248 Need 的用法1 need 的意思是“需要，既是行為動(dòng)詞，又是情態(tài)動(dòng)詞。 作形為動(dòng)詞時(shí)，他具有一般動(dòng)詞的各種形式，need、 needs、 needed 、needing,

20、與助動(dòng)詞do、 does 、did 連用構(gòu)成疑問句和否認(rèn)句，后面接名詞或動(dòng)詞不定式作賓語。 作為情態(tài)動(dòng)詞，只有一種形式，沒有人稱和數(shù)的變化，后接動(dòng)詞原形，與not 連用時(shí)構(gòu)need not的否認(rèn)式，疑問句把need提前。 251)I need a new computer . 2)Your room need painting 3)He doesnt need to work late into the night .4)I need to get a new car .5)Need he work so late ? yes, he must no , he neednt .6)you ne

21、ednt walk that fast , need you?你不必走那么快，是嗎？實(shí)義動(dòng)詞情態(tài)動(dòng)詞實(shí)義動(dòng)詞實(shí)義動(dòng)詞實(shí)義動(dòng)詞情態(tài)動(dòng)詞26注意1： need 的被動(dòng)含義：need, want, require, worth形容詞后面接doing也可以表示被動(dòng)：need doing = need to be done注意2：need 作情態(tài)動(dòng)詞不用在肯定句中，只用于疑問句和否認(rèn)句中， 279 dare的用法1 它既可以作行為動(dòng)詞又可以作情態(tài)動(dòng)詞，作情態(tài)動(dòng)詞時(shí)，主要用于疑問句，否認(rèn)句及條件句中，陳述句中很少使用但I(xiàn) dare say 除外。沒人稱和數(shù)的變化，但有時(shí)態(tài)變化，過去時(shí)為dared. 否認(rèn)式

22、為darent .How dare you say Im unfair ?He dare not speak English before such a crowd , dare he ?情態(tài)動(dòng)詞情態(tài)動(dòng)詞28作行為動(dòng)詞時(shí)，有時(shí)態(tài)，人稱和數(shù)的變化，所不同的是，作行為動(dòng)詞時(shí)，在肯定句中，其后常接帶to的動(dòng)詞不定式，但在否認(rèn)句和疑問句中，其后的to 可省可不省。如：I dare to swim across this river .He does not dare (to) answer Dont you dare (to )touch it ?29Exercise303110 含有情態(tài)動(dòng)詞的反意疑

23、問句構(gòu)成反意問句時(shí)，常用情態(tài)動(dòng)詞。 She will come , wont she?1謂語動(dòng)詞是“ought to +動(dòng)詞原形疑問局部用ought , ought not , shouldnt +主語代詞。He ought to be punished ,_2) 當(dāng)陳述局部是dare need 時(shí)，分情況而定。如：They need to do it , You darent come , oughtnt he ?dont they ?dare you ?323) must 表推測(cè)時(shí)， 疑問局部應(yīng)該根據(jù)其后的謂語動(dòng)詞來確定。(注意：當(dāng)must have done結(jié)構(gòu)中有表示過去的時(shí)間狀語時(shí)，

24、不用havent 而用didnt)如：you must be Mr Li , _you must have finished it , _She must have read the book yesterday ,_ 注：must 表示禁止時(shí)，附加局部最好不重復(fù)使用must 而用mayYou mustnt walk on grass , _注：could表示推測(cè)時(shí)，反意疑問句附加局部構(gòu)成與must一致。She couldnt have finished it yesterday, _arent you ?havent you ?didnt she ?did she ?maymust you

25、?3311 表示推測(cè)的用法 can, could, may, might, must 皆可表示推測(cè)，其用法如下：1情態(tài)動(dòng)詞+動(dòng)詞原形。表示對(duì)現(xiàn)在或?qū)淼那闆r的推測(cè)，此時(shí)動(dòng)詞通常為系動(dòng)詞。I dont know where she is, she may be in Wuhan.2情態(tài)動(dòng)詞+動(dòng)詞現(xiàn)在進(jìn)行時(shí)。表示對(duì)現(xiàn)在或?qū)碚谶M(jìn)行的情況進(jìn)行推測(cè)。At this moment, our teacher must be correcting our exam papers.343情態(tài)動(dòng)詞+動(dòng)詞完成時(shí)。表示對(duì)過去情況的推測(cè)。The road is wet. It must have rained la

26、st night.地是濕的，昨天晚上一定下雨了。354情態(tài)動(dòng)詞+動(dòng)詞的現(xiàn)在完成進(jìn)行時(shí)。表示對(duì)過去正在發(fā)生事情的推測(cè)。Your mother must have been looking for you.你媽媽一定一直在找你。5推測(cè)的否認(rèn)形式，疑問形式用cant, couldnt表示。Mike cant have found his car, for he came to work by bus this morning.邁克一定還沒有找回他的車，因?yàn)樵缟纤亲财噥砩习嗟?。注意：could, might表示推測(cè)時(shí)不表示時(shí)態(tài)，其推測(cè)的程度不如can, may。 3612 情態(tài)動(dòng)詞+ have

27、 +過去分詞 may(might) have + done sth, can (could) have + done sth 表示過去，推測(cè)過去時(shí)間里可能發(fā)生的事情。Philip may (might) have been hurt seriously in the car accident.Philip can (could) have been hurt seriously in the car accident.372)must have +done sth，對(duì)過去時(shí)間里可能發(fā)生的事情的推測(cè)，語氣較強(qiáng)，具有“肯定，“諒必的意思。-Linda has gone to work, but h

28、er bicycle is still here.-She must have gone by bus.383) ought to have done sth, should have done sth本應(yīng)該做某事，而事實(shí)上并沒有做。否認(rèn)句表示“不該做某事而做了。You ought to (should) have been more careful in this experiment.He ought not to have thrown the old clothes away.事實(shí)上已扔了。ought to 在語氣上比should 要強(qiáng)。394) neednt have done st

29、h 本沒必要做某事I dressed very warmly for the trip, but Ineednt have done so. The weather was hot.5) would like to have done sth 本打算做某事I would like to have read the article, but I was very busy then. 408 should 和ought to should 和ought to 都為應(yīng)該的意思，可用于各種人稱。-Ought he to go?-Yes. I think he ought to. 表示要求，命令時(shí)，語

30、氣由 should應(yīng)該、had better最好、must必須漸強(qiáng)。 4113 情態(tài)動(dòng)詞的答復(fù)方式 問句肯定答復(fù)否認(rèn)答復(fù)Need you?Yes, I must. No,I needntMust you? Yes,you must. Neednt/dont have to. 42典型例題1-Could I borrow your dictionary?-Yes, of course, you_. A. mightB. will C. can D. should 答案C. could表示委婉的語氣，并不為時(shí)態(tài)。答語中of course，表示肯定的語氣，允許某人做某事時(shí)，用can和 may來表達(dá)，

31、不能用could或might。復(fù)習(xí)： will 與you連用，用來提出要求或下命令。should與you 連用，用來提出勸告。432-Shall I tell John about it?-No, you _. Ive told him already.A. neednt B. wouldntC. mustnt D. shouldnt 答案A。neednt 不必，不用。 wouldnt 將不, 不會(huì)的。 mustnt 禁止、不能。 shouldnt不應(yīng)該。此題為不需要，不必的意思，應(yīng)用neednt。3-Dont forget to come to my birthday party tomor

32、row.-_.A. I dont B.I wont C. I cantD. I havent 答案B.will既可當(dāng)作情態(tài)動(dòng)詞，表請(qǐng)求、建議、也可作為實(shí)義動(dòng)詞表“意愿、意志、決心，此題表示決心，選B。 4414 區(qū)別微妙的情態(tài)動(dòng)詞練習(xí) 情態(tài)動(dòng)詞在近年來的高考試題中的難度日漸加大，不僅是由于情態(tài)動(dòng)詞表示說話人的語氣和心態(tài)等，而且這些往往是需用心體會(huì)而得的。由于語氣的暗示在題目中變得更隱蔽，語氣的變化更微妙，因而更綜合化了。難點(diǎn)磁場(chǎng)1.()I didnt hear the phone I_ asleep.A.must be B.must have beenC.should be D.should

33、have been2.()We _ last night,but we went to the concert instead.A.must have studied B.might studyC.should have studied D.would study3.()John,you_ play with the knife,you_hurt yourself.A.wont;cant B.mustnt;mayC.shouldnt;must D.cant;shouldnt454.()Its nearly seven oclock.Jack_ be here at any moment.A.m

34、ustB.needC.shouldD.can5.()She_for what she has done,but why do you keep silent on it?A.ought to praise B.ought to have praisedC.ought to be praised D.ought to have been praised6.()If your boss is not right,you_him.A.mustnt obey B.dont have to obeyC.wouldnt have obey D.cant have obey467.()Shall I cal

35、l a doctor for you? _.I will be better soon.A.Yes,you may B.No,you mustntC.No,you neednt D.Id rather not8.()Would you like to go shopping with me tonight?_.A.Id love so B.Ill like toC.I would like thatD.Id love to9.()He_ you more help,even though he was very busy.A.might have given B.mightC.may have

36、 given D.may give10.()Noise_ harmful in China.A.didnt use to be consideredB.usednt to considerC.didnt use to considerD.isnt used to be considered47案例探究1.Will you stay for lunch?Sorry,_ my brother is coming to see me.A.I mustntB.I cantC.I needntD.I wont2.Sorry Im late.I_ have turned off the alarm clo

37、ck and gone back to sleep again. (2000年春季高考北京)A.might B.should C.can D.will48命題意圖：考查情態(tài)動(dòng)詞在一般疑問句答語中的用法。此題屬四星級(jí)題。知識(shí)依托：mustnt 不允許、禁止cant客觀上不能辦到neednt不需要wont不會(huì)，不愿意錯(cuò)解分析：此題易誤選D，I wont，只考慮了將來時(shí)，而實(shí)際上，吃飯這件事是辦不到的。解題方法與技巧：情態(tài)動(dòng)詞在一般疑問句中的問和答的應(yīng)用，一般只涉及到詞的根本用法。can表示做某事的能力。意思是“能夠“能。或表示許可，在疑問句中表示要求，否認(rèn)句表示不許。答案：B49命題意圖：此題考查

38、對(duì)過去猜測(cè)的用法。屬五星級(jí)題。知識(shí)依托：may/might/must+have done表示對(duì)過去的肯定猜測(cè)。cant/couldnt+have done表示對(duì)過去的否認(rèn)猜測(cè)。錯(cuò)解分析：此題易誤選B，而should have done表示應(yīng)該做而實(shí)際上沒做，這和語意“我可能是把鬧鐘關(guān)掉后又睡了是矛盾的，故應(yīng)選A。 解題方法與技巧：在這道題目中反映出的情態(tài)動(dòng)詞+完成式表示對(duì)過去發(fā)生事情的推測(cè)屬于高考的一個(gè)重點(diǎn)和熱點(diǎn)，對(duì)于這種題目首先要弄清各種搭配的含義，然后再結(jié)合語境選出正確答案。答案：A50殲滅難點(diǎn)訓(xùn)練1.()Dont lock the door in case he_ back late a

39、t night.A.should comeB.might comeC.will come D.would come2.()You_worry about the old man.He_ well already.A.dont need;gets B.neednt;may have gotC.mustnt;got D.dont need to;may get3.()Ive tried many times,but the car just_.A.wont start B.wouldnt startC.doesnt start D.didnt start4.()Better set off at

40、once,_?A.wont you B.shall weC.hadnt youD.wouldnt you515.()I was really anxious about you_ home without a word.(2001年高考)A.musnt leave B.shouldnt have leftC.couldnt have left D.neednt leave6.()Are you coming to Jeffs party?Im not sure.I _ go to the concert intead.(2000年高考)A.must , B.wouldC.should D.mi

41、ght7.()Do you think he will do me a favour?As far as I know,he is the last one to help others.He _be prepared to give you a hand,though.南京二模A. might B. mustC. can D. should528.()You must have seen the film last night,_you?A.mustnt B.isntC.didnt D.havent9.()Its dark now.We have to stay here for the n

42、ight, _ ?A. dont we B.havent weC. mustnt we D.shouldnt we10.()He _through the forest alone.A.dare walk B.dare to walkC.dares walking D.dares to walk53 情態(tài)動(dòng)詞考查熱點(diǎn)透視 情態(tài)動(dòng)詞是高考考查的重點(diǎn)語法工程之一，2021年對(duì)口升學(xué)英語第25、31題考查了情態(tài)動(dòng)詞，全國普通高考各地試題對(duì)此都有考查。下面就近幾年來高考試題中出現(xiàn)的情態(tài)動(dòng)詞的考點(diǎn)進(jìn)行歸納分析，以便同學(xué)們復(fù)習(xí)掌握。5425 Lucy , be careful next time . Yo

43、u _such a mistake .A dont make B have not made C cant have made D shouldnt have made 31 My teacher promised that he _his camera to me .A would lend B lent C lends D will lend 55 一、情態(tài)動(dòng)詞表推測(cè) 1. 肯定的推測(cè)一般用must, should, maymight或could不用can，其中，must的語氣最強(qiáng)，譯為“肯定、“準(zhǔn)是、“想必是；should的語氣次之，譯為“很可能、“應(yīng)該，指按常理推測(cè)；maymight，

44、could的語氣最弱，譯為“也許、“可能。56Helen _ go on the trip with us but she isnt quite sure yet. 2005年安徽卷 A. shall B. must C. may D. can Ive taken someone elses green sweater by mistake. It _ Harrys. He always wears green. 2005年廣東卷 A. has to be B. will be C. mustnt be D. could be I have lost one of my gloves. I _

45、 it somewhere.2005年北京春季卷 A. must drop B. must have dropped C. must be dropping D. must have been dropped If I _ plan to do anything I wanted to ,Id like to go to Tibet and travel through as much of it as possible. 2005年湖北卷 A. would B. could C. had to D. ought to 57 2. 否認(rèn)推測(cè)分為兩種情況： 1語氣不很肯定時(shí)，常用may not,

46、 might not或could not，譯為“可能不、“也許不。 2否認(rèn)語氣較強(qiáng)時(shí)，那么用cant，譯為“根本不可能、“想必不會(huì)，表示驚異、疑心的感情色彩。58 1)You might just as well tell the manufacturer that male customers _ not like the design of the furniture. 2004年上海春季卷 A. must B. shall C. may D. need 2) Do you know where David is? I couldnt find him anywhere. Well. He

47、 _ have gone farhis coats still here.2005年湖北卷 A. shouldnt B. mustnt C. cant D. wouldnt 3) Isnt that Anns husband over there? No, it _ be him Im sure he doesnt wear glasses. 2004年全國卷 A. cant B. must not C. wont D. may not59 3. 疑問句中的推測(cè)，往往用can或could。 Mr. Bush is on time for everything. How _ it be that

48、 he was late for the opening ceremony？2001年上海春季卷 A. can B. should C. may D. must 60 4. 對(duì)已發(fā)生事情的肯定推測(cè)常用“must, may, might等+完成式；否認(rèn)推測(cè)常用“can, could, may, might等+完成式。 1)He _ have completed his work; otherwise, he wouldnt be enjoying himself by seaside. 2005年北京卷 A. should B. must C. wouldnt D. cant 2)Tom is

49、never late for work. Why is be absent today? Something _ to him. 2005年江西卷 A. must happen B. should have happened C. could have happened D. must have happened 3) My sister met him at the Grand Theatre yesterday afternoon, so he_your lecture.2000年上海卷 A. couldnt have attended B. neednt have atterded C.

50、 mustnt have attended D. shouldnt have attended 61 二、“情態(tài)動(dòng)詞+完成式 1. “shouldought to+完成式表示本應(yīng)該做某事而實(shí)際上沒有做。其否認(rèn)式表示某種行為不該發(fā)生但卻發(fā)生了。 Ill tell Mary about her new job tomorrow. You_ her last week. 2004年福建卷 A ought to tell B would have told C must tell D should have told Oh, Im not feeling well in the stomach, I

51、_ so much fried chicken just now. 2002年上海春季卷 A. shouldnt eat B. mustnt have eaten C. shouldnt have eaten D. mustnt eat 62 2. “could+完成式表示本來能夠做成某事的但結(jié)果沒能做成，含有遺憾的意味。 He paid for a seat, when he _ have entered free. 2005年山東卷 A. could B. would C. must D. need63 3. “neednt+不定式的完成式表示本來不必做某事而實(shí)際上做了某事。例如： You

52、 neednt have watered the flowers, for it is going to rain.你本不需要澆花的，因?yàn)樘炀鸵掠炅恕?Catherine, I have cleaned the room for you. Thanks. You _ it. I could manage it myself. 2005年福建卷 A. neednt do B. neednt have done C. mustnt do D. shouldnt have done 64 三、常見的情態(tài)動(dòng)詞 1. shall用于一、二、三人稱疑問句表示征求對(duì)方意見；用于二、三人稱陳述句表示說話人給

53、對(duì)方的命令、警告、允諾或威脅等。 “The interest be divided into five parts, according to the agreement made by both sides， declared the judge. 2004年重慶卷 A. may B. should C. must D. shall Excuse me, but I want to use your computer to type a report. You _ have my computer if you dont take care of it. 2004年湖南卷 A. shant

54、B. might not C. neednt D. shouldnt The room is so dirty. _ we clean it? Of course. 2003年北京春季卷 A. Will B. Shall C. Would D. Do 65 2. must用于疑問句，表示責(zé)備、抱怨的感情色彩，意思為“偏偏，偏要；mustnt表示禁止，是說話人強(qiáng)有力的勸告。 John, look at the time. _ you play the piano at such a late hour？ 2005年全國卷 A. Must B. Can C. May D. Need Tom, yo

55、u leave all your clothes on the floor like this！ 2005年全國卷 A. wouldnt B. mustnt C. neednt D. may not 66 3. neednt表示“沒有必要。 Lucy doesnt mind lending you her dictionary. She _. Ive already borrowed one. 2005年湖南卷 A. cant B. mustnt C. neednt D. shouldnt 674. would表示過去反復(fù)發(fā)生的動(dòng)作或某種傾向。 When he was there, he _

56、go to that coffee shop at the corner after work every day.1996年上海卷 A. would B. should C. had better D. might 68 5. 表示經(jīng)過努力而成功的某一次動(dòng)作，只能用was/were able to，而不能用could。 The fire spread through the hotel very quickly but everyone _ get out. 1997年全國卷 A. had to B. would C. was able to D. could 69 6. 考查情態(tài)動(dòng)詞用作答

57、語的情況 Write to me when you get home. _. 2001年北京春季卷 A. I must B. I should C. I will D. I can Could I call you by your first name？ Yes, you _. 1998年上海卷 A. will B. could C. may D. might 70情態(tài)動(dòng)詞過關(guān)檢測(cè)題 711. - Tom graduated from college at a very young age. - Oh, he _ have been a very smart boy then. A. coul

58、d B. should C. might D. must 2. “The interest _ be divided into five parts, according to the agreement made by both sides,declared the judge. A. may B. should C. must D. shall 3. - Ill tell Mary about her new job tomorrow. - You _ her last week. A. ought to tell B. would have told C. must tell D. sh

59、ould have told 4. - Excuse me, is this the right way to the Summer Palace? - Sorry, I am not sure. But it _ be. A. might B. will C. must D. can 5. I _ pay Tracy a visit, but I am not sure whether I will have time this Sunday. A. should B. might C. would D. could 726. - I dont mind telling you what I

60、 know. - You _. Im not asking you for it.A. mustnt B. may not C. cant D. neednt7. I often see lights in that empty house. Do you think I _ report it to the police? A. should B. may C. will D. can 8. Mr White _at 8:30 for the meeting, but he didnt show up. A. should have arrived B. should arrive C. s