情态动词练习

说明：needn’t表示“不必”；mustn’t表示“不准”；shan’t用在二、三人称中表示“坚决不准”，含有强烈的警告和命令的语气。shouldn’t表示“非常不可能”或“应该不会”。情态动词练习2.There_________beanydifficultyaboutpassingtheroadtestsinceyouhavepracticedalotinthedrivingschool.（上海卷）A.mustn’tB.shan’tC.shouldn’tD.needn’tC3.It’snearly7:00.Jack____behereatanymoment.A.mustB.needC.shouldD.can4.Johnny,you_______playwiththeknife,you_______hurtyourself.A.won’t,can’tB.mustn’t,mayC.shouldn’t,mustD.can’t,shouldCBmust+be表示“肯定会”；need+be表示“需要在”；should+动词原形表示“非常有可能”；can表示可能性只用在否定和疑问句中。前句表示“你不能玩刀”，此处的“不能”并非表示“能力”，而是表示“允许”，所以只能用“mustn’t”；后句表示“可能会伤着你自己”，故用may。5.----AreyoucomingtoJeff’sparty?----I’mnotsure.I_____gototheconcertinstead.A.mustB.wouldC.shouldD.might6.Mr.Bushisontimeforeverything.How_____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.mustDA此句的关键在于“I’mnotsure”，既然不能肯定，只能是一种“可能性”。此句的意思为：“Bush先生总是很守时，他怎么可能在出席开幕仪式时迟到呢？“can在否定句或疑问句中表示“可能性”。7.---IsJohncomingbytrain?---Heshould,buthe______not.Helikesdrivinghiscar.A.mustB.canC.needD.may8.---Iheardtheywentskiinginthemountainslastwinter.---It_________truebecausetherewaslittlesnowthere.A.maynotbeB.won’tbeC.couldn’tbeD.mustn’tbeDC此句的关键是“Helikesdrivinghiscar.”can和may都可用于否定句中，can’t表示“根本不可能”，语气很强；maynot表示“也许不可能”，语气较弱。couldn’t的语气比can’t弱。7.---IsJohncomingbytrain?---Heshould,buthe______not.Helikesdrivinghiscar.A.mustB.canC.needD.may8.---Iheardtheywentskiinginthemountainslastwinter.---It_________truebecausetherewaslittlesnowthere.A.maynotbeB.won’tbeC.couldn’tbeD.mustn’tbeDC此句的关键是“Helikesdrivinghiscar.”can和may都可用于否定句中，can’t表示“根本不可能”，语气很强；maynot表示“也许不可能”，语气较弱。couldn’t的语气比can’t弱。1.Tomoughtnotto_______meyoursecret,buthemeantnoharm.A.havetoldB.tellC.betellingD.havingtold2.ItoldSallyhowtogethere,butperhapsI_______forher.A.hadtowriteitoutB.musthavewrittenitoutC.shouldhavewrittenitoutD.oughttowriteitoutACoughtto相当于should；此句的关键是“Hemeantnoharm”，显然指的是过去的事。shouldhavewritten意指“本该写但实际上并没有写”。3.---Therewerealready5peopleinthecarbuttheymanagedtotakemeaswell.---It________acomfortablejourney.A.can’tbeB.shouldn’tbeC.mustn’thavebeenD.couldn’thavebeen4.Susan_______writtenareportlikethis.A.canhaveB.mustn’thaveC.can’thaveD.oughttonothaveDC此句谈论的是过去的经历，故A、B不合题意；must表示判断和推测只能用在肯定句中。该句的意思为Susan不可能写出这样的报告来。oughttohavedone的否定式为oughtnottohavedone。5.Jack____yet,otherwisehewouldhavephonedme.A.mustn’thavearrivedB.shouldn’thavearrivedC.can’thavearrivedD.needn’thavearrived6.---IstayedatahotelwhileinNewYork.---Oh,didyou?You______withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayedCA此句的关键是后半句，“otherwisehewouldhavephonedme”，此处为省略了条件句的虚拟语气，表示“如果到了他会打电话给我的”，由此可见，他肯定没到。此句并不表示判断，而是一个虚拟语气。1.Ithasbeenannouncedthatcandidates____remainintheirseatsuntilallthepapershavebeencollected.A.canB.willC.mayD.shall2.It’snearly7:00.Jack_____behereatanymoment.A.mustB.needC.shouldD.canDC该句的意思为：“通知说所有的考生必须坐在位置上直到考卷收完了才能离开。”考生坐在位置上不能用“能够、将要、可以”来表示。而shall在第二、三人称里面表示一种“命令、警告、承诺”等。3.---WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.---They__________bereadyby12:00.A.canB.shouldC.mightD.need4.Youcan’timaginethatawell-behavedgentleman_____besorudetoalady.A.mightB.needC.shouldD.wouldBC此句应是店主对顾客的承诺。should与how;why等表示疑问或否定的词连用时，用来表示一种惊奇的心情，意思为“居然、竟然”1.---ShallItellJohnaboutit?---No,you______.I’vetoldhimalready.A.needn’tB.wouldn’tC.mustn’tD.shouldn’t2.---CouldIcallyoubythefirstname?---Yes,you__________.A.willB.couldC.mayD.mightAC此句的关键是“I’vetoldhimalready”，由此可见，你就不必再对他说了。在回答“CouldI…”这类婉客气的请求时，只能回答“Yes,youcan或may”。不能用could或might。3.---Willyoustayforlunch?---Sorry,_____.Mybrotheriscomingtoseeme.A.Imustn’tB.Ican’tC.Ineedn’tD.Iwon’t4.----Writetomewhenyougethome.----__________.A.ImustB.IshouldC.IwillD.IcanBC此句的关键是“Mybrotheriscomingtoseeme.”所以我不能在这儿吃饭。在回答对方的请求或命令时，应该用“Yes,Iwill.”而不能使用would或should。1.Iwonderhowhe_______thattotheteacher.A.daretosayB.daresayingC.notdaresayD.daredsay2.Thefirespreadthroughthehotelveryquicklybuteveryone______getout.A.hadtoB.wouldC.wasabletoD.could3.Whenhewasthere,he_______gotothatcoffeeshopatthecornerafterworkeveryday.A.wouldB.shouldC.hadbetterD.mightDCA注意比较dare和need的两种词性的不同用法。注意比较could与wasableto的用法区别。would在此处表示过去惯常的动作。（一）1.He__________havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbytheseaside.(北京)A.shouldB.mustC.wouldn’tD.can’t2.Hepaidforaseat,whenhe______haveenteredfree.(山东)A.couldB.wouldC.mustD.need3.—I'vetakensomeoneelse'sgreensweaterbymistake.—It______Harry's.Healwayswearsgreen.(广东)A.hastobeB.willbeC.mustn'tbeD.couldbeBAD4.—DoyouknowwhereDavidis?Icouldn’tfindhimanywhere.—Well.Hehavegonefar—hiscoat’sstillhere.(湖北)A.shouldn’tB.mustn’tC.can’tD.wouldn’t5.IfIplantodoanythingIwantedto,I’dliketogotoTibetandtravelthroughasmuchofitaspossible.(湖北)A.wouldB.couldC.hadtoD.oughtto6.—Lucydoesn’tmindlendingyouherdictionary.—She______.I'vealreadyborrowedone.(湖南)A.can'tB.mustn'tC.needn'tD.shouldn'tCBC7.—Catherine,Ihavecleanedtheroomforyou.—Thanks.Youit.Icouldmanageitmyself.（福建）A．needn’tdoB．needn’thavedoneC．mustn’tdoD．shouldn’thavedone8.—Tomisneverlateforwork.Whyisheabsenttoday?—Something________tohim.(江西)A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappened9.John,lookatt