情态动词专项练习及答案

.情态动词专项练习1.Jeanhavekepthispromise.Iwonderwhyhechangedhisidea.A.must B.should C.need D.would解析：选B.“shouldhave+过去分词〞表示“过去本来应该(但没能)做*事〞；keepone’spromise意为“信守诺言〞。2.Janehaveetotheparty,butshenotfindthee*acttime.A.could;could B.might;could C.should;could D.should;would解析：选A.“couldhave+过去分词表示过去本来应该(但没能)做*事〞。3.Somanymistakesinyourhomework!Youmorecareful.A.maybe B.hadto C.wouldbe D.shouldhavebeen解析：选D.“Youshouldhavebeenmorecareful〞.意为：你本来应该更细心的。4．Herbrotherbeathomenow,becausehewasseenplayingbasketballinthestadiumjustnow.A.mustn’t B.needn’t C.can’t D.shouldn't解析：选C.can’tbeathome意为：不可能在家。5．---Ican’tunderstandwhyourbossislate.---Hetheearlybus.A.couldmiss B.mayhavemissedC.canhavemissed D.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*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.maybe B.mustbe C.shouldhavebeen D.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.maycry B.mustcry C.mustbecried D.musthavebeencrying解析：选D.意为：她刚刚肯定一直在哭。对过去*事正发生的推测。8．He______hissuppernow,forthedininghallisstillclosed.A.can’tbehaving B.needn’tbehavingC.mustn’tbehaving D.shouldn'tbehaving解析：选A.对现在正在发生的事情的否认推测。9．Iparkedmybikebehindthebuilding,butnowitisgone.It________.A.maybestolen B.mustbestolenC.musthavebeenstolen D.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用于否认推测和疑问推测。---Theroomissodirty._______wecleanit“----Ofcourse.A．Will B.Shall C.Would D.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’t B.mustn’t C.maynot D.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’drathernotdo B.I’drathernothavedoneC.Ishouldn’tdo D.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’t B.No,Idon’t C.No,Ican’t D.No,Iwon’t解析：选D.A为错误的表达方式；B和C没有直接答复对方的问候。20.Hemustbeintheclassroom,_______he“A.mustn’t B.can’t C.isn’t D.can解析：选C.对表否认的must进展反意疑问时，要用句子的实义动词21.He________beinthegarden.Hemustbeintheroom.A.can’t B.mustn’t C.willnot D.maynot解析：选A.否认推测用can’t不用mustn’t22.“Doyouhavetoleavenow“〞“Iamverysorry,butIreally______.〞A.can’t B.have C.should D.must解析：选D.答复haveto的疑问句用must作肯定答复。“Let’sgotothelibrary,shallwe“〞“_________“〞A.No,Ican’t B.Yes,IwillC.Yes,thankyou D.No,we’dbetternot解析：选D.A,B,C都不能答复shallwe,此处D的语气比拟婉转客气。“CanItakeitaway“〞“You______betternot.〞A.should B.could C.would D.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’t B.needn’t C.wouldn’t D.mustn’t解析：选B.本来不必要做*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.cando B.mustdo C.hastodo D.mustbedone解析：选D.“somethingmustbedone〞意为：必须采取措施。30.Lookatwhatyouhavedone!You______bemorecareful.A.ought B.can C.would D.should解析：选D.ought后应用to—HasLiLinstarted“Hesaidhewouldjoinintheparty.—He______.Heisamanofkeepinghisword.A.couldhaveleft B.musthaveleftC.can’te D.won’tbeing解析：B。从Heisamanofkeepinghisword中可以看出，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，不能用于否认句和疑问句中。32.—MayIparkmycarhere“—No,you______.Nocarisallowedtoparkhere.A.maynot B.needn’t C.mustn’t D.daren’t解析：C。此题考察以情态动词提问的一般疑问句的答复。在英语中，以*些情态动词提问的句子，出于礼貌委婉或句意的需要，答复时，要换用另一个情态动词。在答复must开头的一般疑问句时，肯定答复用must，否认答复用needn’t或don’thaveto；在答复may开头的一般疑问句时，肯定答复用may，否认答复用mustn’t；在答复need开头的一般疑问句时，肯定答复用must，否认答复用needn’t。33.—E*cuseme,couldyoutellmewheretheYajiaSupermarketis“—It’stwoblocksstraightahead.You______missit.A.mustn’t B.can’t C.needn’t D.shouldn’t解析：B。根据题意，此处需要表示“推测〞的否认构造，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认推测，意为“不可能……〞。34.—IsawMr.SunatTongyuStationthismorning.—You______.He’sstillonholidayinHawaii.A.couldn’thave B.mustn’thaveC.shouldn’t D.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认推测，意为“不可能……〞。—HowaboutpayingavisittoDr.Wang,ourformerChineseteacher“—Goodidea.Iwillhimtodaysothathe______know______toe*pectus.A.shall;why B.could;whenC.would;whatD.will;how解析：B。这是一个综合题。此题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〞。Whentoe*pectus表示“我们什么时候可到达〞。“疑问词+不定式〞构造在句中作know的宾语。36.Everythinghastwosides.Beautifulsongs,sometimes,______bejustnoisetoothers.A.must B.may C.should D.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.mustbeusing B.musthaveusedC.mustuse D.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.wasdrowned B.couldhavebeendrownedC.haddrowned D.shouldbedrowned解析：B。butfor的意思是“要不是〞，语法功能上等同于if引导的否认虚拟条件句，因前句中Howdangerousitwas可知应与过去事实相反。39.You______scoldsuchapupilwhoalwayskeepssilentsoseriouslythatyou______hurthim.A.should;can B.may;willC.mustn’t;may D.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.must B.oughtn’tto C.may D.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。—Youmaylaugh,butI’vebeenthinkingofbeingavegetarian.—Oh,you______becrazy.Youwillbehungryallthetime.A.must B.may C.will D.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，说明对对方的不理解和责备，语气比拟坚决。42.—What’sthematterwithyou“—Oh,I’mnotfeelingwellinthestomach.I______somuchfriedfishjustnow.A.shouldn’teat B.mustn’thaveeatenC.shouldn’thaveeaten D.mustn’teat解析：C。shouldn’thavedone表示“本不该做……，但实际上却做了〞。—______hehavebeenchosenascaptainofthefootballteam“—Yes,he______.A.Can;musthave B.Must;musthaveC.Can;must D.Must;must解析：A。疑问句中可以用can,肯定句用must。44.Mr.Zhang______inShanghaitomorrowmorning.A.canhavearrived B.willhavearrivedC.mayhavearrived D.musthavearrived解析：B。will+havedone，表示对将来必然进程的猜想。45.MissWangstartedat8o’clock,andshe______betherenow.A.should B.can C.can’t D.need解析：A。should表示主观性猜想，译为“应该〞。46.—ItmustbeMr.Liwhodidit.—No,it______beMr.Li.A.mustn’t B.wouldn’t C.can’t D.may解析：C,can’t表示否认的猜想，侧重于主观判断，译为“决不会；不可能〞。47.You______finishreadingthebookassoonaspossible.A.may B.can C.need D.should.

>.解析：D。should表示劝告*人应该做*事。—Needyougotoworknow“—Yes,I______.A.must B.need C.can D.dare解析：A。need引导的一般疑问句，肯定回容许用must。49.Yourtrousersaredirty.______themforyou“A.ShallIwash B.WillIwashC.AmIgoingtowash D.AmIwashing解析：A。ShallI...？是征求对方意见时常用的句型。50.Youarelateforschooltoday.You______toschoolearlier.A.oughttoe B.shouldhaveeC.oughthavee D.shoulde解析：B。shouldhavedone表示“过去*件事应该做而实际上没有做〞，此处含有责备之意，也可用oughttohavee。51.WemustlearnfromLeiFeng,______we“A.may B.can’t C.don’t D.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’t B.needn’t C.doesn’t Dwon’t解析：A。反意疑问句中，述局部的must表示对现在情况推测时，附加疑问句常依据must后面的动词形式确定助动词。53.Heoughttoehereearly,______he“A.would B.should C.didn’t D.shouldn’t解析：D。反意疑问句中，述局部的谓语有oughtto时，附加疑问句中应用shouldn’t或oughtn’t。54.Youusedtosmoke,______you“A.usedto B.don’t C.didn’t D.shouldn’t解析：C。反意疑问句中，述局部的谓语有usedto时，附加疑问句中应用didn’t或usedn’t。Youought______forwhatyouhaven’tdone.A.nottobepunishedB.notbepunishedC.tonotpunishedD.tonotbepunished解析：A。oughtto的否认式是oughtnotto。______youpleasetellmethewaytothepostoffice“A.Must B.Need C.Would D.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______havetheputersoonerorlater.A.shall B.can C.must D.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.haveto B.should C.need D.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.can B.must C.need D.may.

>.解析：A。can在疑问句中，表示疑惑、疑心，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认句；shouldn’thavedonesth.表示“本不应该做*事而实际上做了〞；needn’thavedonesth.表示“本来不必做*事而实际上做了〞；couldn’thavedonesth.表示“不可能做过*事〞。根据题意，选D。62.Oneought_____forwhatonehasn’tdone.A.nottobepunished B.tonotbepunishedC.tonotpunished D.notbepunished解析：A.情态动词ought后要接带to的不定式，oughttodo的否认式是oughtnottodo，所以答案是A。63.Ifyoureallywantyourselftobeingoodhealth,youmust___always___somuch.A.not;besmoking B.not;havesmokedC.not;tosmoke D.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’tgo B.shouldn’tgoC.couldn’thavegone D.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.hadbeen B.hadtobe C.musthavebeen D.couldhavebeen解析：D.couldhavedonesth.表示“本来能够做*事而实际上未能做成〞。66.I’msurprisedthathe_____inthee*am.A.shouldfail B.wouldhavefailedC.mayhavefailed D.shouldhavefailed解析：D.should可用于表示惊奇、感慨、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、否认句和条件句中。68.“Mustwedoitnow“〞“No,you_____.〞A.won’tB.needn’tC.can’tD.don’t解析：B.must开头的疑问句，否认答语用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，其否认形式为wouldrathernot。70.You_____tothemeetingthisafternoonifyouhavesomethingimportanttodo.A.needn’ttoeB.don’tneedeC.don’tneedingD.needn’te解析：D.need作为情态动词，其否认形式为needn’t；作实义动词时，其否认形式为don’t(doesn’t)needtodo。71.Putonmoreclothes.You_____befeelingcoldwithonlyashirton.A.can B.could C.would D.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+不定式进展式〞表“想必正在……〞之意。72.I_____playfootballthanbaseball.A.wouldrather B.hadbetter C.likebetter D.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*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*事〞。76.You_____returnthebooknow.Youcankeepittillne*tweekifyoulike.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*事〞，含有“懊悔〞、“责备〞、“劝告〞，“批评〞之意。80.—MayIstophere“—No,you_____.A.mustn’t B.mightnot C.needn’t D.won’t解析：A.may开头的疑问句，否认答语常用mustn’t。81.It’safineday.Let’sgofishing,_____.A.won’twe B.willwe C.don’twe D.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，不能用于否认句中。83.—Pleasedon’tmakeanoise.—_____.I’llbeasquietasamouse.A.Yes,Iwon’t B.No,Iwon’t C.No,Iwill D.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*事〞，含有“懊悔〞、“责备〞、“劝告〞，“批评〞之意。85.—WhereisJohn“—He_____inthelibrary.A.shouldbe B.mustbe C.canbe D.musthavebeen.

>.解析：B.mustdo表示对现在的事实进展推测。86.Sincetheroadiswetthismorning,_____lastnight.A.itmustrain B.itmustberainingC.itmusthaverained D.itmusthavebeenrain解析：C.musthavedone用于对过去发生的事情进展推测，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.canhavehappened B.mayhavehappenedC.shouldhavehappened D.musthappen解析：A.can表推测，只用于否认句和疑问句中。89.Youmustbeawriter,_____“A.mustn’tyou B.areyou C.mustyou D.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〕进展推测时，反意疑问句中动词用其一般现在形式