初中英语情态动词专练 11页

情态动词：情态动词没有人称和数的变化，情态动词后必须跟动词原形。A:can的用法：1.表示能力Shecanswimfast,butIcan’t.2.表示推测，“可能”，用于否定句和疑问句中，can’t译为“不可能”。Canitbeourteacher?那个人有可能是我们老师吗？—No,itcan’tbeourteacher.3.could的用法1.can的过去式，意为“能、会”，表示过去的能力。Hecouldwritepoemswhenhewas10.4.could在疑问句中，表示委婉的语气。CouldIuseyourpen?我能用一下你的钢笔吗?—Yes,youcan.可以B:may的用法:1.表示请求、许可，比can正式MayIborrowyourbike?(maynot)2.表示推测“可能，或许”，一般用于肯定句中。Itmayraintomorrow.3.may的过去式为might，表示推测时。可能性低于may。Heisawayfromschool.Hemightbesick.4.对may引出的问句，回答：Yes,youmay./Ofcourse./Certainly/Sure.　No,youmaynot./No,youcan’t.5.表示希望、祈求、祝愿，常可译为“祝愿”。通常是用may+主+VMayyousucceed！祝你成功！C:must的用法:1.表示主观看法，意为“必须、一定”。Youmuststayhere.2.mustn’t表示“禁止,不许”.Youmustn'tplaywithfire.你不许玩火。3.对must的疑问句，肯回must，否回needn’t或don’thaveto.MustIfinishmyhomework?—No,youneedn’t.4.must表示有把握的推测，用于肯定句Thelightison,sohemustbeathome.D:need的用法:1.need表示需要、必须，用于否定句和疑问句中，\n2.其否定形式为needn't，意为“没有必要，不必”。3.用need提问时，肯定回答为must，否定回答为needn’t或don’thavetoNeedIstayhereanylonger?Yes,youmust.—No.youneedn’t/don’thaveto.4.need还可以作动词，此时有人称、数和时态的变化，needtodoHeneedstodoitrightnow.他需要马上做这件事E:should的用法:1.should意为“应该”，可表示劝告、建议、义务、责任等。Weshouldwaitforthegreenlight.D:shall的用法:shall表示征求对方意见（多用于第一人称)Shallwegooutforawalk?我们出去散步好吗？其回答方式有以下几种：Yes,please.　Allright.　No,thankyou.can和may区别:1.can和may均可用来征求意见或许可，意为“可以”，一般可互换使用。如：Can/MayIhelpyou?2.2.can和may表示可能性时的区别：1)在肯定句中用might，may，must，不用can2)在疑问句中表示推测用can，不用might，may，must3)在否定句中用can’t（不可能），不用may，must。Shemaybeintheclassroom.她可能在教室里。Wherecantheybenow?他们现在可能在哪儿？Thatcan'tbetrue.那不可能是真的。havetodo不得不I/You/They/We/(don't)havetodrinkwater.hadtodo/didn'thavetodo/willhavetodoHe/She/It/Tomhastodrinkwater.He/She/It/Tomdoesn'thavetodrinkwater.hadbetterdo最好做某事I'd=IhadShe'd=ShehadI/You/They/We/He/She/It/Tomhadbetter(not)gohome\nExerciseA回答下列问题:(1)Ican’tfindmypen.MayIuseyourpen?_____________________(2)Canyouspeakloudlyinthereadingroom?_____________________(3)Canyougettoschoolat8o’clock?_____________________(4)Mustwekeepourclassroomclean?_____________________(5)Needyoudomorningexerciseseveryday?_____________________(6)Mustyouhandinyourhomeworkontime?______________________(7)Canyouleaveschoolatthree?______________________(8)Canyoueatordrinkinclass?______________________(9)MayIhavealookatyourEnglishbook?______________________(10)CanyouspeakChineseinanEnglishclass?______________________写出下列否定形式的意思mustn't_________maynot_________needn't_________can't______________Fillintheblankswith"may(not),need(n't),should(n't)"intheirproperforms.1.Sheisillathome.Ithinkyou________helpherwithherlessonslater.2.A:_________Ibuyfilmticketsforyou?B:No,you___________.3.A:_________Iaskforleavethedayaftertomorrow?B:Yes,you___________.4.A:Linda,you’repooratmaths.You_________studyharder.B:OK.I’lldomybest.5.You__________nottalkinclassandyou_________listencarefully.6.A:__________Ireturnthebooktoyoutoday?B:No,you_________.You__________keepittilltomorrow.7.A:___________wedomorehealthyreadingafterschool?B:Yes,you____________.8.A:___________Iborrowthisbook?B:I’mafraidyou___________.Thereisonlyonecopyinthelibrary.9.A:___________wefinishhomeworkinclass?B:No,you__________.\nFillintheblankswith"may,must,can,can't,should"intheirproperforms：1.“______yourbrotherspeakEnglishverywell,too?”No,he______.”2.“______youplaytennis?”“Yes,I______.”3.Theboxisveryheavy.Tom______moveit.4.“Whataboutseeinganewfilmthisevening?”“I’mafraidI______.I______finishmyEnglishexercisesthisevening.”5.Thisfishwon’tkeepfresh,we______eatitnow.6.You______startnow,oryou’llbelate.7.Excuseme,sir.______Iaskyouaquestion,please?Fillintheblankswith"mustn't,needn't"intheirproperforms：1.You______writetomeifyoudon’thavethetime.2.You______hurry.I’msureyouwon’tbelate.3.You______forgettowritetomewhenyouarrivethere.4.Jane,you______playwiththeknife.It’sverydangerous.5.–MustIgetthereontimetoday?–No,you______.6.Timeisflying.We______wasteourtime.7.You______beafraidofthedifficulty.We’llgiveyouahelpinghand.8.–“MustIhandinthemathsexercisestomorrow?”--No,you______.Youmayhanditinthedayaftertomorrow.9.Tom,you______readinthesun.It’snotgoodforyoureyes.10.You______worrysomuch.I’msurehe’llbewellsoon.Fillintheblankswithmodalverbsintheirproperforms：1.Nobody____livewithoutairandwater．2.--_____hespeakChinese?--Yes，alittle．3.Thebook_____bereturnedbeforeSaturday．4.--_____Icomein?--Yes，please．5.____youtellmewherethestationis?\n6.Youdon't____worryabouther．Sheismuchbetternow．7Ifyouwanttopasstheexam，you____workharder.8A:______Ifinishmyhomeworknow?B:No,you______.You______doittomorrow.9.A:Thispencilisveryshort,______youstilluseit?B:No,I______.You______buyoneforme.10A:______Igooutandplaybasketball,mum?B:No,you______finishyourhomeworkfirst.11.A:______Iplayfootballinthestreet?B:No,you______.12A:______youfindmanypeopleinthedoctor’swaitingroom.B:No,I______.Fillintheblankswith"need(to)"intheirproperforms：1._______Icometomorrow?明天我需要来吗(need)？—Yes,you________/__________.—No,you_______/__________.2.He___________worryabouthisson.(neednot)他不必为他的儿子担心。3.He________somehelp.(need)他需要一些帮助。4.They_________(notneed)help.他们不需要帮助.5.Julia__________(need)_______(look)aftertheoldman.(need)Julia需要照料这位老人。6.I__________(notneed)_______(get)upearlythismorning.今天早上我不必早起.7.Youneedtocrosstheriverbyyourself,______you?8.Shedidn'tneedtogiveyouthebook,_______she?ExerciseB______1.--Let’sgotoTaishanParkbytaxi.–It’snotfar.We______takeataxi.A.needn’tB.can’tC.mustn’tD.couldn’t______2.You______playwithfire,Tom.It’sverydangerousA.needn’tB.maynotC.mustn’tD.wouldn’t______3.Asweknow,fish______dieoutofwater.A.mayB.isgoingtoC.canD.will______4.Canyouanswermyquestion,Lily?–Yes,I______.A.mayB.needC.mustD.can______5.Excuseme,______youtellmethewaytothenearestbusstation?--Sorry,Ican’t.I’mastrangerhere.A.canB.needC.mustD.may\n______6.--______Ihavetoshowtheschoolreporttomyparents,MissKing?--Yes,youdo.A.MustB.DoC.CanD.May______7.--______weswiminthatriver?–No,you______.It’sdangeroustoswimthere.A.Must,can’tB.Can,maynotC.Shall,don’tD.May,mustn’t______8.Aftersuchalongjourney,thechildren______beverytirednow.A.canB.mustC.havetoD.need______9.You’vemadethesamemistakesagain.You______bemorecarefulnexttime.A.canB.mayC.hadtoD.should______10.--______Ifillinthecheck-informrightnow,sir?--No,youneedn’t.Youcancompleteitthisafternoon.A.MayB.CanC.WouldD.Must______11.–MustIfinishreadingthebooktoday?--No.You______ifyouhavesomethingelsetodo.A.mustn’tB.couldn’tC.can’tD.don’thaveto______12.Youlooktirednow.You______stayathomeandhavearest.A.hadtoB.hadbetterC.wouldliketoD.needn't______13.CouldIlookatyourpictures?–Yes,ofcourseyou______.A.couldB.canC.willD.might_______14.Lookatthosebigblackclouds.It______rain.Let’shurry.A.mustB.willC.wouldD.isgoingto_______15.–Wouldyouliketogoswimmingwithmethisafternoon?--I’dloveto.ButI’mafraidI______.Ihavetoomuchworktodo.A.can’tB.mustn’tC.needn’tD.maynot_______16.--______youliketogoshoppingwithme?–Yes,I______.A.Would,wouldB.Will,willlikeC.Would,wouldloveD.Would,wouldloveto_______17.–MustIstayathome,Mum?-No,you______.A.needn'tB.mustn'tC.don'tD.maynot_______18–Canyougoswimmingwithusthisafternoon?--Sorry,Ican’t.I_____takecareofmylittlesisterathomebecausemymotherisill.A.canB.mayC.wouldDhaveto_______19.–MayIstophere?--No,you______.A.mustn'tB.mightnotC.needn'tD.won’t_______20.______Iknowyourname?A.MayB.WillC.ShallD.Must\nExerciseC一、Choosethebestanswer:()1、—________youpassmeapen?I’dliketowritedownthephonenumber.—Sure.Hereitis.A.CanB.NeedC.MightD.Must()2.—MayIgotothecinema,mum?—Certainly,butyou________bebackby11o’clock.A.canB.mayC.mustD.need()3.You______gettherebybus.A.don'tneedB.needn'ttoC.don'tneedtoD.needdon'tto()4.You_______worryaboutme.It’snothingserious.A.can’tB.mustn’tC.needn’tD.won’t()5.Themanintheoffice___beMr.Black,becausehewenthomejustnow.A.mustn'tB.maynotC.can'tD.needn't()6.John___cometoseeustonight,butheisn'tverysureyet.A.mayB.canC.hastoD.Must()7-MayItakethisbookout?-No,you___.A.can'tB.maynotC.needn'tD.aren't()8You___goandseeadoctoratoncebecauseyou'regotafever.A.canB.mustC.needn'tD.would()9-CanyouspeakJapanese?-No,I____.A.mustn'tB.can'tC.needn'tD.maynot()10.-He___beintheclassroom,Ithink.-No,he___beintheclassroom.Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;can'tD.may;mustn't()11.-ShallIgetonemorecakeforyou,Dad?-Thanks,butI___,I'vehadenough.A.maynotB.mustnotC.can'tD.needn't()12Thebeststudentsinourclasscan'tworkoutthisproblem,soit___beverydifficult.A.mayB.mustC.canD.need()13Heisn'tatschool.Ithinkhe___beill.A.canB.shallC.mustD.hasto()14___Itakethisone?A.MayB.WillC.AreD.Do()15.1Thechildren___playfootballontheroad.A.can'tB.canC.mustn'tD.must()16You___belateforschoolagainnexttime.A.mustn'tB.needn'tC.don'thavetoD.don'tneedto\n()17-MustIdomyhomeworkatonce?-No,you___.A.needn'tB.mustn'tC.can'tD.maynot()18.Hisarmisallright.He___goandseethedoctor.A.hasnottoB.don'thavetoC.haven'ttoD.doesn'thaveto()19Hehadtogiveuptheplan,___he?A.didB.didn'tC.doesD.doesn't()20Theyhadtowalkhere,___they?A.mustn'tB.didC.didn'tD.hadn't()21Hehadbetterstayhere,___he?A.didn'tB.don'tC.hadn'tD.isn't()22You'dbetter___latenexttime.A.nottobeB.notbeC.won'tbeD.don'tbe()23You___askthatmanoverthere.Maybeheknowstheway.A.hadbetternottoB.hadnotbetterC.hadbetterD.hadbetternot()24.1-ShallwegoandvisittheHistoryMuseumnextSunday?A.HereyouareB.Sorry,Ican'tC.AllrightD.Letmetry()25-Whydon'tyouaskMiketogowithus?-Thanks,___.A.IwillB.Iwon'tC.IdoD.Imay()26-___Itakethenewspaperaway?-No,youmustn't.You____readitonlyhere.A.Must;canB.May;canC.Need;mustD.Must;must()27Excuseme.___youpleasepassmethatcup?A.DoB.ShouldC.WouldD.Must()28________youliketohaveanothertry?A.CouldB.WillC.WouldD.Do()29-Wouldyouliketogoboatingwithus?-Yes,___.A.I'dlikeB.IwantC.I'dliketoD.Ido()30You___worryaboutyourson.Hewillgetwellsoon.A.needn'tB.can'tC.mustn'tD.haveto()31Thepoormanneedsourhelp,___he?A.NeedB.needn'tC.doesD.doesn't()32-Mustwedoourhomeworkfirst?-No,you___.Youmayhavearestfirst.A.mustn'tB.needn'tC.maynotD.can't\nExerciseD()1.---WhereisMary?---She____inthelibrary.A.shouldbeB.mustbeC.canbeD.needbe()2.“IthinkHelenisathome.”No,she____beathome,shephonedmefromtheairportjustfiveminutesago.”A.mustn’tB.needn’C.can’tD.daren’t()3.“_____hebewatchingTVnow?”“Yes,he_____bewatchingTVnow.”“No,he_____bewatchingTVnow.”A.Must;can;mustn’tB.Can;must;can’tC.Must;must;can’tD.Can;can;mustn’t()4.Youmustbeawriter,____you?A.mustn’tB.areC.mustD.aren’t()5.“Musthedoit?”“No,he____.”A.mustn’tB.needn’tC.doesn’thavetoD.BorC()6.“Needyougonow?”“Yes,I____.”“No,I____.”A.need;needn’tB.must;needn’tC.may;mustn’tD.can;needn’t()7.“MayIborrowyourbike?”“No,you____.”A.mustn’tB.maynotC.hadbetternotD.can’t()8.“CanIdoit?”“No,you____.”or“No,please____.”A.can’t;doesn’tB.can’t;don’tC.can’t;can’tD.can’t;youdon’t()9.Imissedthelastbus,soI____gohomeonfoot.A.mustB.havetoC.mayD.hadto()10.We____behurryifwewanttoarriveintime.A.mustB.needC.mayD.haveto()11.____youpleasepassonamessagetohim?A.DoB.ShallC.MayD.Will()12.____wesetoffnow?A.ShallB.WillC.WouldD.May()13.“Willyoulendmeahand?”“Yes,I____.”A.willB.shallC.canD.may()14.Let’scleanourroom,____?A.willyouB.don’tweC.shallweD.doyou()15.LetuswatchTV,____?A.willyouB.don’tweC.shallweD.doyou()16.Closethedoorafteryou,____you?A.don’tB.DoC.shallD.will()17.“____youliketoseeafilm?”“Yes,I’dlike____.”Awill;toB.Would;toseeC.Would;toD.Will;tosee()18.It'sdarknow..Wehavetogohome,____we?A.don’tB.haven’tC.mustn’tD.shouldn’t\n()19.He____anyhelp.A.needn’tB.doesn’tneedC.needD.doneed()20.Iwishtoshakehandswithyou,____?A.willyouB.shallweC.canyouD.mayI()21.MustIfinishalltheexercisestoday?---No,you____,butyou____finishthembeforeFriday.A.mustn’t;needB.don’thaveto;mustC.needn’tto;needD.shouldn’t;need()22.Whentheteacherspeaks,wehavetokeepquiet,________?A.haven'tweB.don'tweC.mustn'tweD.shallwe()23.—________Igothereatonce.——No,Idon'tthinkyou________.A.Must;havetoB.Do;needtoC.Need;mustD.May;should()24.–Canyougoswimmingwithusthisafternoon?--Sorry,Ican’t.I_____takecareofmylittlesisterathomebecausemymotherisill.A.canB.mayC.wouldD.haveto()25.–MayIgotothecinema,Mum?--Certainly.Butyou______bebackby11o’clock.A.canB.mayC.mustD.Need()26.–MayIgoouttoplaybasketball,Dad?--No,you______.Youmustfinishyourhomeworkfirst.A.mustn’tB.maynotC.couldn’tD.needn’t()27.–WhereisJack,please?--He_____beinthereadingroom.A.canB.needC.wouldD.Must()28.–Whoisthemanoverthere?IsitMrLi?--No,it______behim.MrLiismuchtaller.A.musn’tB.MaynotC.can’tD.needn’t()29;–Mum,mayIwatchTVnow?--Sure,butyou______helpmewithmyhouseworkfirst.A.canB.mayC.mustD.could()30;TheboysaidhehadtospeakEnglishinclass,buthe______speakitafterclass.A.couldB.didn’thavetoC.mightD.shouldn’t()31.MrWang______beinNanjingnow,hewenttoBeijingonlythismorning.A.mustn’tB.maynotC.can’tD.needn’t()32.Michael______beapoliceman,forhe''smuchtooshort.A.needn’tB.can’tC.should()33.______youbehappy!A.MightB.MustC.WishD.May\n()34.Carsandbuses______stopwhenthetrafficlightsturnred.A.canB.needC.mayD.must()35.Lookout!Theknifeisverysharp.You______cutyourfinger.A.needB.mustC.shouldD.may()36.–MayIhaveanapple,Mum?--Certainly.Butyou______washyourhandsfirst?A.mayB.mustC.canD.need()37.ShallItellJohnaboutthebadnews?--No,you______.Ithinkthatwillmakehimsad.A.needn’tB.wouldn’tC.shouldn’tD.mustn’t()38.–CouldIcallyoubyyourfirstname?--Yes,you______.A.willB.couldC.mayD.might()39.–Let’sgotothecinema,shallwe?--_______.A.No,Ican’tB.Yes,IwillC.Yes,thankyouD.No,we’dbetternot()40.--______themantherebeournewteacher?--He______be,butI’mnotsure.A.May;mustn’tB.Can;mayC.Must;can’tD.Can;can’t()41.–Sometimeisknockingatthedoor.Who______itbe?--It______beTom.Heisstillintheschool.A.can;can’tB.can;mustn’tC.might;couldD.might;may