情态动词专项练习及答案

1、1. Jeanhavekepthispromise.Iwonderwhyhechangedhisidea.A. mustB.shouldC.needD.would解析：选B.“shouldhave过去分词"表示过去本来应该（但没能）做某事”keepone'sprom意为信守诺言”2. Janehavecometotheparty,butshenotfindtheexacttime.A.could;couldB.might;couldC.should;couldD.should;would解析：选A.“couldhave过去分词表示过去本来应该（但没能）做某事”3. Soman

2、ymistakesinyourhomework!Youmorecareful.A.maybeB.hadtoC.wouldbeD.shouldhavebeen解析：选D.“Youshouldhavebeenmorecareful意为：.你本来应该更细心的。4. Herbrotherbeathomenow,becausehewasseenplayingbasketballinthestadiumjustnow.A.mustn'tB.needn'tC.can'tD.shouldn't解析：选C.can'tbeathor意为：不可能在家。5. -Ican'

3、;tunderstandwhyourbossislate.-Hetheearlybus.A.couldmissB.mayhavemissedC.canhavemissedD.mightmiss解析：选B.“mayhave过去分词"表示对过去动作的判断，意为：可能做了某事。注意：can表示可能时，只能用于疑问句和反问句。6. Shedidn'tanswerthephone,sheasleep.A.maybeB.mustbeC.shouldhavebeenD.musthavebeen解析：选D.表示：对过去发生的事情的肯定推测。7. Thelittlegirl'seyes

4、werered.She.A.maycryB.mustcryC.mustbecriedD.musthavebeencrying解析：选D.意为：她刚才肯定一直在哭。对过去某事正发生的推测。8. Hehissuppernow,forthedininghallisstillclosed.A.can'tbehavingB.needn'tbehavingC.mustn'tbehavingD.shouldn'tbehaving解析：选A.对现在正在发生的事情的否定推测。9. Iparkedmybikebehindthebuilding,butnowitisgone.It.A

5、.maybestolenB.mustbestolenC.musthavebeenstolenD.musthavestolen解析：选C.对过去发生的事情的肯定推测的被动式。10. Mr.Blackgotoworkbyferrybeforethebridgewasbuilt?A.Did;usedtoB.Use;toC.Did;usetoD.Does;useto解析：选C.usedtodo的疑问式，可以是Used+主语+todo?或Did+主语+usetodo?11. Thehotelisonlyastone'sthrowaway,youtakeabus.A.neednottoB.notn

6、eedtoC.don'tneedD.neednot解析：选D.说话人认为不必要乘车,need为情态动词。12. Iambusynow,mybrotherdoitforyou?A.WillB.ShallC.MustD.May解析：选B.在疑问句中shall用于第三人称，也表示征求意见。13. -Youneedn'tdoitrightnow,needyou?-YesIamafraidI.A.needB.needn'tC.mustD.mustn't解析：选C.Yes的意思是：不。意为：恐怕我必须现在就做。14. MyEnglish-Chinesedictionaryh

7、asdisappeared.Whohavetakenit?A.shouldB.mustC.couldD.would解析：选C.could/canhavedone用于否定推测和疑问推测。15. -Theroomissodirty.wecleanit?-Ofcourse.AWillB.ShallC.WouldD.Do解析：选B.shall用在疑问句中，常用于第一，三人称，表示征求意见或请求指示。16. Ifyouhavesomethingimportanttodo,youwasteanytime.A.needn'tB.mustn'tC.maynotD.won't解析：选B.

8、根据句意用mustn't17. Ifyouwanttoborrowafootballafterschool,yourstudentcardhere.A.hastoleaveB.mustleaveC.hastobeleftD.mustbeleft解析：选C.haveto表示客观需要，must表示主观需要。学生证必须放在此是客观需要。18. “Didyouscoldhimforhiscarelessness?”“Yes,butit”A.I'drathernotdoB.I'drathernothavedoneC.Ishouldn'tdoD.I'dbettern

9、otdo解析：选B.wouldrather加完成时表示对完成了的或过去了的事情的态度。意为：当时是不情愿做的。19. “Don'tgetneartoit.Itistoodangerous!”a”A.Yes,Iwon'tB.No,Idon'tC.No,Ican'tD.No,Iwon't解析：选D.A为错误的表达方式；B和C没有直接回答对方的问候。20. Hemustbeintheclassroom,he?A.mustn'tB.can'tC.isn'tD.can解析：选C.对表否定的must进行反意疑问时，要用句子的实义动词21. H

10、ebeinthegarden.Hemustbeintheroom.A.can'tB.mustn'tC.willnotD.maynot解析：选A.否定推测用can'不用mustn't22. “Doyouhavetoleavenow?”“Iamverysorry,butIreally.”A.can'tB.haveC.shouldD.must解析：选D.回答haveto的疑问句用must作肯定回答。23. “Let'sgotothelibrary,shallwe?”A.No,Ican'tB.Yes,IwillC.Yes,thankyouD.No

11、,we'dbetternot解析：选D.A,B,C都不能回答shallwe,此处D的语气比较婉转客气。24. “CanItakeitaway?”“Youbetternot.”A.shouldB.couldC.wouldD.had解析：选D.hadbetter与不带to的不定式构成谓语，可以变成疑问句：Hadn'tyoubette-25. Youhavebroughtyourcamera.Theyallhadtheirswiththem.A.couldn'tB.needn'tC.wouldn'tD.mustn't解析：选B.本来不必要做某事26.

12、Seewhoisthere!itbeMay?A.MayB.MustC.CanD.Will解析：选C.表推测时A，B都用作疑问句。27. Johnbeabasketballplayer.Heismuchtooshort.A.mayB.mustn'tC.Dc.asnhould't解析：选C.断然的不定推测用can't28. TheChineseteacherlookssopale.Shebeill.A.mustB.mustn'tC.Dc.anneed解析：选A.表示有把握的肯定推测用must29. Somethingtosaveourearth.Doyouthink

13、so?A.candoB.mustdoC.hastodoD.mustbedone解析：选D.“somethingmustbedone意为：必须采取措施。30. Lookatwhatyouhavedone!Youbemorecareful.C.wouldD.shouldA. oughtB.can解析：选D.ought后应用to31. HasLiLinstarted?Hesaidhewouldjoinintheparty.He.Heisamanofkeepinghisword.A.couldhaveleftB.musthaveleftC.can'tcomeD.won'tbecomin

14、g解析：B。从Heisamanofkeepinghisword中可以看出，李林肯定已经出发来参加聚会了，这是对已经发生的事情非常肯定的推测，故用musthavedone。注意mus俵推测时，不能用于否定句和疑问句中。32. MayIparkmycarhere? No,you.Nocarisallowedtoparkhere.A.maynotB.needn'tC.mustn'tD.daren't解析：C。此题考查以情态动词提问的一般疑问句的回答。在英语中，以某些情态动词提问的句子，出于礼貌委婉或句意的需要，回答时，要换用另一个情态动词。在回答must开头的一般疑问句时，肯

15、定回答用must，否定回答用needn'或don'thaveto;在回答may开头的一般疑问句时，肯定回答用may，否定回答用mustn't在回答neec开头的一般疑问句时，肯定回答用must，否定回答用needn't33. Excuseme,couldyoutellmewheretheYajiaSupermarketis? It'stwoblocksstraightahead.Youmissit.A.mustn'tB.can'tC.needn'tD.shouldn't解析：B。根据题意，此处需要表示推测"的否定

16、结构，故can'为正确答案。4.A。这是一个省略句，couldn'thavedor表示对过去发生的动作的否定推测，意为不可能”。34. IsawMr.SunatTongyuStationthismorning. You.He'sstillonholidayinHawaii.A.couldn'thaveB.mustn'thaveC.shouldn'tD.needn't解析：A。这是一个省略句，couldnthavedo表示对过去发生的动作的否定推测，意为不可能”。35. HowaboutpayingavisittoDr.Wang,ourfo

17、rmerChineseteacher? Goodidea.Iwille-mailhimtodaysothatheknowtoexpectus.A.shall;whyB.could;whenC.would;whatD.will;how解析：B。这是一个综合题。本题sothat后的目的状语从句中的谓语动词要用情态动词(may/might/can/could)+动词原形”Whentoexpectus表示我们什么时候可到达”疑问词+不定式"结构在句中作know的宾语。36. Everythinghastwosides.Beautifulsongs,sometimes,bejustnoiset

18、oothers.A.mustB.mayC.shouldD.could解析：B。由sometimes可知，此处应用表示可能性不大的情态动词，即may。37. Someonemyumbrella.Ifounditwetyesterday.A.mustbeusingB.musthaveusedC.mustuseD.musthavebeenusing解析：B。由后句可知，这是对过去发生的事情的肯定推测，故B项正确。38. Howdangerousitwas! Yes,butforthepasser-by'squickaction,thegirl.A.wasdrownedB.couldhaveb

19、eendrownedC.haddrownedD.shouldbedrowned解析：B。butfor的意思是要不是”语法功能上等同于if引导的否定虚拟条件句，因前句中Howdangerousitwas可知应与过去事实相反。39. Youscoldsuchapupilwhoalwayskeepssilentsoseriouslythatyouhurthim.A.should;canC.mustn'mta;yB. may;willD.can't;must解析：C。mustn'表示不准许”may表示可能性，所以C正确。40. WhydoesAliceknowsomuchabo

20、utAngkorWat?Shehavebeenthere,or.A.mustB.oughtn'ttoC.mayD.can't解析：C。句意：她或许到过那里，或者。or.是重要的信息，说明还有其他的可能性。A的说法太绝对，与or.提供的信息冲突。41. Youmaylaugh,butI'vebeenthinkingofbecomingavegetariOanh.,youbecrazy.Youwillbehungryallthetime.A.mustB.mayC.willD.need解析：A。must表示的把握最大，may表示有可能，need不表示推测，will表示将来。根

21、据句意可知A正确，表明对对方的不理解和责备，语气比较坚决。42. What'sthematterwithyou? Oh,I'mnotfeelingwellinthestomach.Isomuchfriedfishjustnow.A.shouldn'teatB.mustn'thaveeatenC. shouldn'thaveeatenD.mustn'teat解析：C。shouldn'thavedon表示本不该做，但实际上却做了”。43. hehavebeenchosenascaptainofthefootballteam? Yes,he.A

22、.Can;musthaveB.Must;musthaveC.Can;mustD.Must;must解析：A。疑问句中可以用can,肯定句用must。44. Mr.ZhanginShanghaitomorrowmorning.A.canhavearrivedB.willhavearrivedC.mayhavearrivedD.musthavearrived解析：B。will+havedone，表示对将来必然进程的猜测。45. MissWangstartedat8o'clock,andshebetherenow.A.shouldB.canC.can'tD.need解析：A。shou

23、ld表示主观性猜测，译为应该”。46. ItmustbeMr.Liwhodidit. No,itbeMr.Li.A.mustn'tB.wouldn'tC.can'tD.may解析：C,can'表示否定的猜测，侧重于主观判断，译为决不会；不可能”。47. Youfinishreadingthebookassoonaspossible.A.mayB.canC.needD.should解析：D。should表示劝告某人应该做某事。48. Needyougotoworknow? Yes,I.A.mustB.needC.canD.dare解析：A。neec引导的一般疑问句

24、，肯定回答应用must。49. Yourtrousersaredirty.themforyou?A.ShallIwashB.WillIwashC.AmIgoingtowashD.AmIwashing解析：A。ShallI.？是征求对方意见时常用的句型。50. Youarelateforschooltoday.Youtoschoolearlier.A.oughttocomeB.shouldhavecomeC.oughthavecomeD.shouldcome解析：B。shouldhavedone表示过去某件事应该做而实际上没有做”，此处含有责备之意，也可用oughttohavecome。51.

25、WemustlearnfromLeiFeng,we?A.mayB.can'tC.don'tD.needn't解析：D。反意疑问句中，当must作必须"解时，可以用needn't/mustn构成附加疑问句。52. Shemustbehungry,she?A.isn'tB.needn'tC.doesn'tDwon't解析：A。反意疑问句中，陈述部分的must表示对现在情况推测时，附加疑问句中通常依据must后面的动词形式确定助动词。53. Heoughttocomehereearly,he?A.wouldB.shouldC.

26、didn'tD.shouldn't解析：D。反意疑问句中，陈述部分的谓语有oughtto时，附加疑问句中应用shouldn'或oughtn'。54. Youusedtosmoke,you?A.usedtoB.don'tC.didn'tD.shouldn't解析：C。反意疑问句中，陈述部分的谓语有usedto时，附加疑问句中应用didn'或usedn't55. Yououghtforwhatyouhaven'tdone.A.nottobepunishedB.notbepunishedC.tonotpunishedD.

27、tonotbepunished解析：A。oughtto的否定式是oughtnotto。56. youpleasetellmethewaytothepostoffice?A.MustB.NeedC.WouldD.Should解析：C。Wouldyouplease.?是向对方提出请求或询问时常用的婉转而有礼貌的句型。27.A。主语是第三人称时，shall表示说话人给对方的“允诺；命令；指示；意愿”。57. I'msurehehavethecomputersoonerorlater.A.shallB.canC.mustD.would解析：C。Wouldyouplease.?是向对方提出请求或

28、询问时常用的婉转而有礼貌的句型。58. Itisimportantthatwelearnhowtodrive.A.havetoB.shouldC.needD.shall解析：B。在Itisimportant/impossible/necessarythat.句型中，that从句的谓语用“(should+动)词原形”。59. Ithasbeenannouncedthatcandidatesremainintheirseatsuntilallthepapershavebeencollected.A.canB.willC.mayD.shall解析：D。在规章中告诫应考者，在收完所有试卷前必须”留在教

29、室里。60. Howyousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlyapartofthearticle?A.canB.mustC.needD.may解析：A。can在疑问句中，表示疑惑、怀疑，根据情况可译作能、可以”等。61. Ididn'tseeherinthemeetingroomthismorning.Sheatthemeeting.A.mustn'thavespokenB.shouldn'thavespokenC.needn'thavespokenD.couldn'tha

30、vespoken解析：D.must表示推测时不用于否定句；shouldn'thavedonest表示本不应该做某事而实际上做了”；needn'thavedonesth.表示本来不必做某事而实际上做了”；couldnthavedonest表示不可能做过某事”。根据题意，选D。62. Oneoughtforwhatonehasn'tdone.A.nottobepunishedB.tonotbepunishedC.tonotpunishedD.notbepunished解析：A.情态动词ought后要接带to的不定式，oughttodo的否定式是oughtnottodo，所以

31、答案是A。63. Ifyoureallywantyourselftobeingoodhealth,youmust_always_somuch.A.not;besmokingB.not;havesmokedC.not;tosmokeD.benot;smoking解析：A.mustnotalwaysbedoingsth.表示“不要老是做谋事”，含有埋怨、指责、反感等感情色彩。64. Withsomuchworkonhand,youtoseethegamelastnight.A.mustn'tgoB.shouldn'tgoC.couldn'thavegoneD.shouldn

32、h'avtegone解析：D.题中的A项和B项都指现在情况；couldn'thavegon表示不可能去过”；shouldn'thavegon表示本不应该去而实际上去了”。根据题意，选D。65. MostofthestudentsfeltratherdisappointedattheEnglishparty.Theysaythatitbetterorganized.A.hadbeenB.hadtobeC.musthavebeenD.couldhavebeen解析：D.couldhavedonesth.表示“本来能够做某事而实际上未能做成”。66. I'msurpr

33、isedthatheintheexam.A.shouldfailB.wouldhavefailedC.mayhavefailedD.shouldhavefailed解析：D.should可用于表示惊奇、感叹、不满等感情色彩的句子，如指过去的动作，则要用shouldhavedonesth.Would和may通常不带感情色彩。67. Thelittlegirltherealone.A.notdaregoB.daresnotgoC.darenotgoD.darenottogo解析：C.题中的dare是情态动词，后接不带to的不定式，主要用于疑问句、否定句和条件句中。68. “Mustwedoitno

34、w?”“No,you.”A.won'tB.needn'tC.canD.don't解析：B.must开头的疑问句，否定答语用needn'或don'thaveto69. Hesaidhewouldrathernotitrightnow.A.doingB.todoC.doD.tobedoing解析：C.wouldrather通常也视为情态动词（组），后接动词原形，其否定形式为wouldrathernot。70. Youtothemeetingthisafternoonifyouhavesomethingimportanttodo.A.needn'tto

35、comeB.don'tneedcomeC.don'tneedcomingD.needn'tcome解析：D.need作为情态动词，其否定形式为needn'作实义动词时，其否定形式为don't（doesn't）needtodo71. Putonmoreclothes.Youbefeelingcoldwithonlyashirton.A.canB.couldC.wouldD.must解析：D.must用在肯定句中表推测时，语气比could,would等肯定得多。此处“must不定式进行式"表想必正在”之意。72. Iplayfootball

36、thanbaseball.A.wouldratherB.hadbetterC.likebetterD.prefer解析：A.wouldratherthan，意为“宁愿（做）而不（做）”。73.Ithoughtyou_likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.couldD.must解析：B.由句意可知，这是对过去发生的事情不太有把握的推测。74. Therewasplentyoftimes.She.A.mustn'hatvehurriedB.couldn'thavehurriedC.mustnothu

37、rryD.needn'thavehurried解析：D.needn'thavedor意为过去不必做而做了某事”。75. Theplantisdead.Iitmorewater.A.willgiveB.wouldhavegivenC.mustgiveD.shouldhavegiven解析：D.shouldhavedone表示过去应该做而没有做某事”。76. Youreturnthebooknow.Youcankeepittillnextweekifyoulike.A.can'tB.mustn'tC.needn'tD.maynot解析：C.can'（

38、不能），mustn't不准），maynot（不可以），均不合题意。77. It'sstillearly,you.A.mustn'thurryB.wouldn'thurryC.maynothurryD.don'thavetohurry解析:D.don'thaveto=needn't78. Pleaseopenthewindow,?A.can'tyouB.aren'tyouC.doyouD.willyou解析：D.will用在第二人称的疑问句中，为询问（或征求）对方的意愿或向对方提出请求之意。79. Weforherbecau

39、seshenevercame.A.mustn'hatvewaitedB.shouldn'thavewaitedC.mustn'twaitD.needn'twait解析：B.shouldnothavedone表示过去不应该做而做了某事”，含有后悔”、责备”、劝告”，批评"之意。80. MayIstophere?No,you.A.mustn'tB.mightnotC.needn'tD.won't解析：A.may开头的疑问句，否定答语常用mustn'。81. It'safineday.Let'sgofishin

40、g,.A.won'tweB.willweC.don'tweD.shallwe解析：D.疑问句中shall用于第一、三人称，用来征询对方的意见。82. Ididn'tseeherinthemeetingroomthismorning.Sheatthemeeting.A.mustn'thavespokenB.shouldn'thavespokenC.needn'hatvespokenD.couldn'thavespoken解析：D.推测她不可能在会上发言”，must表示推测时，不能用于否定句中。83. Pleasedon'tmakea

41、noise.I'llbeasquietasamouse.D.Yes,IwillA.Yes,Iwon'tB.No,Iwon'tC.No,Iwill解析：B.will在此处表示“意志（向）”。84. Theyoungmanhasmadesomuchnoisethathenothavebeenallowedtoattendtheconcert.A.couldB.mustC.wouldD.should解析：D.shouldnothavedone表示过去不应该做而做了某事”含有后悔”责备”劝告”批评"之意。85.WhereisJohn?Heinthelibrary.A.

42、shouldbeB.mustbeC.canbeD.musthavebeen解析：B.mustdo表示对现在的事实进仃推测。86. Sincetheroadiswetthismorning,lastnight.A.itmustrainB.itmustberainingC.itmusthaverainedD.itmusthavebeenrain解析：C.musthavedone用于对过去发生的事情进行推测，且较有把握。87. Willyourbrotherstayhometonight?I'mnotquitesure.Hetothecinematonight.A.mustgoB.cango

43、C.maygoD.maybegoing解析：C.表示推测时，must比may语气-肯定。88. She'salreadytwohourslate.Whattoher?A.canhavehappenedB.mayhavehappenedC.shouldhavehappenedD.musthappen解析：A.can表推测，只用于否定句和疑问句中。89. Youmustbeawriter,?A.mustn'tyouB.areyouC.mustyouD.aren'tyou解析：Dmust表示推测时，其后的反意问句有两种情况：对现存状态（现在的事实）进行推测时，反意疑问句中动词用其一