情态动词专项练习及答案

情态动词专项练习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’spromise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.Somanymistakesinyourhomework!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’tbeathome意为：不可能在家。5．---Ican’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,she______asleep.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’seyeswerered.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．He______hissuppernow,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.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.Black_______gotoworkbyferrybeforethebridgewasbuilt?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,you______takeabus.A.neednottoB.notneedtoC.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-Chinesedictionaryhasdisappeared.Who_____havetakenit?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.A．WillB.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,you______wasteanytime.A.needn’tB.mustn’tC.maynotD.won’t解析：选B.根据句意用mustn’t17.Ifyouwanttoborrowafootballafterschool,yourstudentcard______here.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,but_____it”A.I’drathernotdoB.I’drathernothavedoneC.Ishouldn’tdoD.I’dbetternotdo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.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.He________beinthegarden.Hemustbeintheroom.A.can’tB.mustn’tC.willnotD.maynot解析：选A.否定推测用can’t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,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?”“You______betternot.”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’tyoubetter----25.You_______havebroughtyourcamera.Theyallhadtheirswiththem.A.couldn’tB.needn’tC.wouldn’tD.mustn’t解析：选B.本来不必要做某事.26.Seewhoisthere!______itbeMay?A.MayB.MustC.CanD.Will解析：选C.表推测时A，B都用作疑问句。27.John______beabasketballplayer.Heismuchtooshort.A.mayB.mustn’tC.can’tD.should解析：选C.断然的不定推测用can’t28.TheChineseteacherlookssopale.She______beill.A.mustB.mustn’tC.canD.need解析：选A.表示有把握的肯定推测用must29.Something______tosaveourearth.Doyouthinkso?A.candoB.mustdoC.hastodoD.mustbedone解析：选D.“somethingmustbedone”意为：必须采取措施。30.Lookatwhatyouhavedone!You______bemorecareful.A.oughtB.canC.wouldD.should解析：选D.ought后应用to31.—HasLiLinstarted?Hesaidhewouldjoinintheparty.—He______.Heisamanofkeepinghisword.A.couldhaveleftB.musthaveleftC.can’tcomeD.won’tbecoming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must表推测时，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，肯定回答用must，否定回答用needn’t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need开头的一般疑问句时，肯定回答用must，否定回答用needn’t。33.—Excuseme,couldyoutellmewheretheYajiaSupermarketis?—It’stwoblocksstraightahead.You______missit.A.mustn’tB.can’tC.needn’tD.shouldn’t解析：B。根据题意，此处需要表示“推测”的否定结构，故can’t为正确答案。4.A。这是一个省略句，couldn’thavedone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，couldn’thavedone表示对过去发生的动作的否定推测，意为“不可能……”。35.—HowaboutpayingavisittoDr.Wang,ourformerChineseteacher?—Goodidea.Iwille-mailhimtodaysothathe______know______toexpectus.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,______bejustnoisetoothers.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.Someone______myumbrella.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.couldhavebeendrownedC.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.You______scoldsuchapupilwhoalwayskeepssilentsoseriouslythatyou______hurthim.A.should;canB.may;willC.mustn’t;mayD.can’t;must解析：C。mustn’t表示“不准许”，may表示可能性，所以C正确。40.—WhydoesAliceknowsomuchaboutAngkorWat?—She______havebeenthere,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’vebeenthinkingofbecomingavegetarian.—Oh,you______becrazy.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.I______somuchfriedfishjustnow.A.shouldn’teatB.mustn’thaveeatenC.shouldn’thaveeatenD.mustn’teat解析：C。shouldn’thavedone表示“本不该做……，但实际上却做了”。43.—______hehavebeenchosenascaptainofthefootballteam?—Yes,he______.A.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.Zhang______inShanghaitomorrowmorning.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,andshe______betherenow.A.shouldB.canC.can’tD.need解析：A。should表示主观性猜测，译为“应该”。46.—ItmustbeMr.Liwhodidit.—No,it______beMr.Li.A.mustn’tB.wouldn’tC.can’tD.may解析：C,can’t表示否定的猜测，侧重于主观判断，译为“决不会；不可能”。47.You______finishreadingthebookassoonaspossible.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。need引导的一般疑问句，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.You______toschoolearlier.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.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’t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.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’t或oughtn’t。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’t或usedn’t。55.Youought______forwhatyouhaven’tdone.A.nottobepunishedB.notbepunishedC.tonotpunishedD.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’msurehe______havethecomputersoonerorlater.A.shallB.canC.mustD.would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。58.Itisimportantthatwe______learnhowtodrive.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.Ithasbeenannouncedthatcandidates_______remainintheirseatsuntilallthepapershavebeencollected.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”留在教室里。60.How_______yousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlyapartofthearticle?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.She_____atthemeeting.A.mustn’thavespokenB.shouldn’thavespokenC.needn’thavespokenD.couldn’thavespoken解析：D.must表示推测时不用于否定句；shouldn’thavedonesth.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”；couldn’thavedonesth.表示“不可能做过某事”。根据题意，选D。62.Oneought_____forwhatonehasn’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,you_____toseethegamelastnight.A.mustn’tgoB.shouldn’tgoC.couldn’thavegoneD.shouldn’thavegone解析：D.题中的A项和B项都指现在情况；couldn’thavegone表示“不可能去过”；shouldn’thavegone表示“本不应该去而实际上去了”。根据题意，选D。65.MostofthestudentsfeltratherdisappointedattheEnglishparty.Theysaythatit______betterorganized.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’msurprisedthathe_____intheexam.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.Thelittlegirl_____therealone.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.“Mustwedoitnow?”“No,you_____.”A.won’tB.needn’tC.can’tD.don’t解析：B.must开头的疑问句，否定答语用needn’t或don’thaveto。69.Hesaidhewouldrathernot_____itrightnow.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.You_____tothemeetingthisafternoonifyouhavesomethingimportanttodo.A.needn’ttocomeB.don’tneedcomeC.don’tneedcomingD.needn’tcome解析：D.need作为情态动词，其否定形式为needn’t；作实义动词时，其否定形式为don’t(doesn’t)needtodo。71.Putonmoreclothes.You_____befeelingcoldwithonlyashirton.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.I_____playfootballthanbaseball.A.wouldratherB.hadbetterC.likebetterD.prefer解析：A.wouldrather…than…，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’thavehurriedB.couldn’thavehurriedC.mustnothurryD.needn’thavehurried解析：D.needn’thavedone意为“过去不必做而做了某事”。75.Theplantisdead.I_____itmorewater.A.willgiveB.wouldhavegivenC.mustgiveD.shouldhavegiven解析：D.shouldhavedone表示“过去应该做而没有做某事”。76.You_____returnthebooknow.Youcankeepittillnextweekifyoulike.A.can’tB.mustn’tC.needn’tD.maynot解析：C.can’t（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.We_____forherbecauseshenevercame.A.mustn’thavewaitedB.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’t。81.It’safineday.Let’sgofishing,_____.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.She_____atthemeeting.A.mustn’thavespokenB.shouldn’thavespokenC.needn’thavespokenD.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’tmakeanoise.—_____.I’llbeasquietasamouse.A.Yes,Iwon’tB.No,Iwon’tC.No,IwillD.Yes,Iwill解析：B.will在此处表示“意志（向）”。84.Theyoungmanhasmadesomuchnoisethathe_____nothavebeenallowedtoattendtheconcert.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?—He_____inthelibrary.A.shouldbeB.mustbeC.canbeD.musthavebeen解析：B.mustdo表示对现在的事实进行推测。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.He_____tothecinematonight.A.mustgoB.cangoC.maygoD.maybegoing解析：C.表示推测时，must比may语气肯定。88.She’salreadytwohourslate.What______toher?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：①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般现在形式。②对过去发生的事情进行推测时，若有表过去的时间状语，反意问句用动词的过去式。90.Igotupearlythatmorning,butI_____sobecauseIhadnoworktodo.A.mustn’thavedoneB.didn’tneedtodoC.needn’thavedoneD.can’thavedone解析：C.needn’thavedone表示“过去不必做而做了某事”，若表示“不必做某事（且实际上未做）“则用”didn’t/don’t/doesn’tneedto.”91.He_____havecomehereyesterday,buthedidn’t.A.couldB.shouldC.oughttoD.alltheabove解析：D.A表示“本能够”，B,C表“本应该”。92.Imissedthelastbus,soI_____gohomeonfoot.A.mustB.havetoC.mayD.hadto解析：D.haveto表示客观上要求做某事，must表示主观上认为必须做某事。93.Heoughttowinthefirstprize,_____he?A.oughtn’tB.shouldn’tC.mustn’tD.bothAandB解析：D.oughtto的反意问句应用oughtn’t或shouldn’t开头。94.Everyone_____dohisbestforthemodernizationsofourcountry.A.canB.mayC.shouldD.might解析：C.should含“按理应该做……”、“有义务做……”之意。95.Let’scleanourclassroom,_____?A.willyouB.don’tweC.shallweD.doyou解析：C.Let’s中的us一般包括对方在内。96.Letusplaybasketball,______?A.willyouB.don’tweC.shallweD.doyou解析：A.Letus中的us一般不包括对方在内。97.Heaskedmeforthisbookmanytimes.Pleasetellhimthathe_____haveittomorrow.A.mustB.mayC.shallD.bothBandC解析：D.may和shall均可表“允诺”。98.“Yourphonenumberagain?I_____quitecatchit.”“It’s9568442.”A.didn’tB.couldn’tC.don’tD.can’t解析：A.由句后得知句意为“我开始没听清楚对方的电话号码”，为对过去的事实或发生动作的表述。99.Mother_____usstorieswhenwewerechildren.A.wasusedtotellB.isusedtotellingC.usedtotellD.usedtotelling解析：C.usedtodo“过去（常）做某事”，beusedtodoing“习惯于做某事”。100.Shewouldrather_____moremoneyonbooks_____onclothes.A.cost…notB.tospare…don’tC.pay…thanD.spend…than解析：D.wouldrather后接动词原形。Spend…onsth.为常用结构