情态动词表推测无答案

.情态动词表推测(%1)意思：表示肯定推测的情态动词按可能性大小依次为must,should/oughtto,may,might,could;否定推测，常用cant/couldnt,译为“不可能”，表示推测的语气非常肯定，maynot,mightnot译为“可能不”、“也许不”，表示推测的语气不很肯定。(%1)句式：顺口溜:肯不肯，妈妈肯，妹不问。即：can不用于肯定式；must仅用于肯定句；may(might)不用于疑问式，用于否定和疑问句。1. can通常只用于否定句或疑问句，一般不用于肯定句，而could可用于肯定句、否定句和疑问句。两者没有时间上的差别，只是could比can更委婉，更不确定。cant不可能Itcantcouldntbetrue.那不可能是真的。Whatcancouldtheydo?他们会在干什么呢？Wecouldgotherethissummer今年夏天我们可能要去那儿。(1) Fvetakensomeoneelsesgreensweaterbymistake.一ItHarrys.Healwayswearsgreen.A.hastobeB.willbeC.mustntbeD.couldbe(2) Youbehungryalready,youhadlunchonlytwohoursago!A.wouldntB.cantC.mustntD.neednt(3) 一DoyouknowwhereDavidis?Icouldntfindhimanywhere.Well.Hehavegonefarhiscoatsstillhere.A.shouldntB.mustntC.cantD.wouldnt(4) Michael_beapoliceman,forhesmuchtooshort.A.needtB.cantC.shouldD.may注：can有时也用于肯定句中表示推测，主要用于表示理论上的可能性(即从理论上看是可能的，但实际未必会发生)Anybodycanmakemistake.任何人都可能犯错误。(l) Twoeyesseemorethanone.A)canB)mayC)willD)mightmust只用于肯定句。must的否定式是cant/couldnt(1) .Susansparentshaveboughtalargehousewithaswimmingpool.Itbeveryexpensive.A.mustB.canC.mustntD.cant(2) .ThisbookLucys.Look!Hernameisonthebookcover.A.mustbeB.maybeC.cantbeD.mustntbemay,might两者均可用宇肯定句和否定句，一般不用于疑问句即使用于疑问句时，may,might通常不用于句首，只用于特殊疑问句中。maynot,mightnot译为“可能不”、“也许不”，表示推测的语气不很肯定。两者没有时间上的差别，只是might表示的可能性更小些，语气更委婉，。Hemaymightknowtheanswer.他可能知道答案。Hemaymightnotbelieveyou.他可能不会相信你。Andwhomaymightshebe?那么她会是哪一位呢？(1) ,一AreyoucomingtoJeffsparty?一Imnotsure.Igototheconcertinstead.A.mustB.wouldC.shouldD.might(2) .Helengoonthetripwithusbutsheisntquitesureyet.A.shallB.mustC.mayD.can(3) .GoandaskMrSmith.Heknowhertelephonenumber.A.canB.mayC.needD.dare(4) .-Hebeintheclassroom,Ithink.-No,he_beintheclassroom.Isawhimgohomeaminuteago.A.can;maynotB.must;maynotC.may;cantD.may;mustnt(5) .Mr.Bushisontimeforeverything.Howitbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must(6) 一leantfindmypurseanywhere.You_havelostitwhileshopping.A.mayB.canC.shouldD.wouldYoumighttellthemanufacturerthatmalecustomersnotlikethedesignofthefurniture.A.mustB.shallC.mayD.needshould/oughtto(应该，很有可能)指按常理推测Thispenoughtto/shouldbeyours这支笔应该是你的。(1) -WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.Theybereadyby1200.A.canB.shouldC.mightD.needItsnearlysevencoock.Jackcomeback.A.mustB.needC.shouldD.can2. will,would(一定，很有可能会)Ithinkhewillbeallrightnow.我想他现在一定好了。HewillhavegonebacktoNewZealand.他一定是回新西兰去了。Ithinkthatwouldbehismother,(wouldbe表示肯定是)(%1)情态动词表推测的三种时态1. 对现在或将来情况作推测，后接动词原形。Itcantcouldntbetrue.那不可能是真的。Hemaymighttellhiswife.他也许会告诉他妻子。Imustbethehappiestwomanonearth!2. 对正在进行的情况作推测，后接bedoing结构；Whatcancouldtheybedoing?他们会在干什么呢？Hemaymightbewritingaletter.他可能在写信。No,hemustbelying不，他一定在撒谎。YoushouldbedoingyourexercisesinsteadofwatchingTV.(1) 一DoyouknowMs.Wanglikeswalkingaftersupper?一Sure.Shearoundthecampusnow.A.mustbewalkingB.mustwalkC.maywalkD.maybewalking(2) Bequick!Theyforusatthechurchgaterightnow.A.mustwaitB.musthavewaitedC.mustbewaitingD.oughttowait(%1)对过去情况的推测，用“情态动词+have+过去分词”。must+havedone只用于肯定句中，意为一定,其否定的意义用cant+havedone表示。Hemusthavemistakenmymeaning他一定误会了我的意思。can/couldhavedone也许；可能.用于疑问句或否定句中。Hecouldhavegonehome他可能已经回家了。may(might)+havedone意为“也许；可能。多用在陈述句，用might比用may语气更加委婉。Shemaymighthavereaditinthepapers她可能在报上已读至V过此事。should/oughtto+havedone表示预测，意为“应该会，可能”。Itstwelveoclocknow.Sheshould/oughttohavealreadygotthere.(1) Therewerealreadyfivepeopleinthecarbuttheymanagedtotakemeaswell.-Itacomfortablejourney.A.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeen(2) MysistermethimatGrandTheatreyesterdayaftenoon,soheyourlecture.A.couldnthaveattendedB.neednthaveattendedc.mustnthaveattendedD.shouldnthaveattended(3) Susanwrittenareportlikethis.A.canhaveB.mustnthaveC.canthaveD.oughttonothave(4) .1didnthearthephone_asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen(5) Thiscakeisverysweet.Youalotofsugarinit.A.shouldputB.couldhaveputC.mightputD.musthaveput(6) SorryImlate.Ihaveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will(7) Mr.Whiteat8:30forthemeeting,buthedidntshowup.A.shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving(%1)could/might/should/ought/needn?t/would+havedone还可以表示轻微的责备、后悔之意。注意：其中could,might不可用can,may代替，这与表示推测时的用法木同。1. could+have+P.P本来能够做某事(而实际上没做)Hecouldhavecaughttheearlybus,buthewasdelayedbyhelpingastranger(1)Hepaidforaseat,whenhehaveenteredfree.A.couldB.wouldC.mustD.need2. mighthave+P.P本来可以做某事(而实际上没做)Youmighthavelearnedmorefromhim.3. oughtto/should+have+P.P本来应该做某事(而实际上没做)oughtnotto/shouldnt+have+P.P本来不应该做某事(而实际上却做了)Youshould/oughttohavebeenmorecareful.Heshouldnt/oughtnottohavebrokentheredlight.(1) Tomoughtnottomeyoursecret,buthemeantnoharm.A.havetoldB.tellC.betellingD.havingtold(2) Therewasalotoffunatyesterday?sparty.Youcome,butwhydidntyou?A.haveB.shouldC.needhaveD.oughttohave4. neednt+have+P.P本来不必做某事(而实际上做了)Youneednthaveapologizedtohimyesterday.(1) Therewasplentyoftime.She.A.mustnthavehurriedB.couldnthavehurriedC.mustnothurryD.neednthavehurried(2) 一Catherine,Ihavecleanedtheroomforyou.一Thanks.Youit.Icouldmanageitmyself.A.needntdoB.neednthavedoneC.mustntdoD.shouldnthavedone5. wouldhavedone本来会发生某事，但却没有发生。would(not)havedone本来不会发生某事，但却发生了Hehesitatedforamomentbeforekickingtheball,otherwise,heagoal.A.hadscoredB.scoredC.wouldscoreD.wouldhavescored二.情态动词表许可、请求Lean/could/may/might均可表示许可，could/might的语气比can/may更委婉、客气；在答语中表示允许别人做某事要can/may,不能用could/mightoMay/might否定回答时用mustnot或cant或hadbetternot表示“禁止；不许”.如:一CouldCan,May,MightIuseit?我可以借用它吗？一Yes,youcanmay.可以。(不用could/might)youpassmeapen?Fdliketowritedownthetelephonenumber.A.NeedB.CouldC.MustD.Should(2)CouldIborrowyourdictionary?Yes,ofcourseyouA.mightB.willC.canD.should(3) 一IhearyouvegotasetofvaluableAustraliancoins.Ihavealook?一Yes,certainly.A.DoB.MayC.ShallD.Should(4) .-MayIsmokehere?-,you.Itcanbedangerous.A.Yes;canB.No;can,tC.Yes;mayD.No,needn,t(5) .-MayIgotothecinema,dad?-No,you.Youmustfinishyourhomeworkfirst.?A.mustntB.wontC.dontD.neednt2.must的一般疑问句的回答有两种，表示肯定，用Yes,youmust表示否定，用No,youneednt或donthaveto表不必”，没有必要，不用mustnt,因为mustnt表示禁止或不许.MustIpostthislettertomorrow?-Yes,youmust.是的，你必须明天寄掉。(No,youneednt.不，你没必要明天寄掉。(1)-MustIfinishtheworkbeforefiveoclock?-No,you.A.needntB.mustntC.havetoD.cantmustnt表示说话人“不许”和“禁止”某人做某事，有很强的劝告语气。Youmustntplayfootballinthestreet.不准在马路上踢球。(1)Youbelateforschoolagainnexttime.A.mustntB.needntC.donthavetoD.dontneedto“Shall卜？也表示征求对方意见，一般用于第一，三人称疑问句。ShallIopenthewindow?我可以幵窗户吗？(1) .一Theroomissodirty.wecleanit?一Ofcourse.A.WillB.ShallC.WouldD.Do(2) ._Whafsthename?Tom.Ispellthatforyou?A.Shall-B.WouldC.CanD.Might.ProfessorSmith,manystudentswanttoseeyou.theywaithereoroutside?A.DoB.WillC.ShallD.Would(3) .Itsafineday.Letsgofishing,.A.wontweB.willweC.dontweD.shallwewill/would用于第二人称，表示询问对方的意愿，或向对方提出请求。Will/Wouldyouspellyourname?请你拼一下你的名字好吗？(1).Excuseme.youpleasepassmethatcup?A.DoB.ShouldC.WouldD.Must(1) .youliketohaveanothertry?A.CouldB.WillC.WouldD.Do(2) .-Wouldyouliketogoboatingwithus?-Yes,.A.IdlikeB.IwantC.IdliketoD.Ido(3) .Willyoustayforlunch?Sorry,.Mybrotheriscomingtoseeme.A.Imustn,tB.leantC.IneedntD.Iwont(4) 5.Letusplaybasketball,?A.willyouB.dontweC.shallweD.doyou三。情态动词的其他用法：(%1)、can/couldcan表示能力,意思是“能，会”，其否定式cant表示“不能”。在过去时中用could和couldnt.l. Theboyanswerthiskindofhardquestionsoneyearago.A.canB.mayC.could注意：can与beableto比较：通常可以互换，但can只有一般时态，而beableto有各种时态；beableto可以与其它情态动词连用，而can不可以；beableto表示经过一番努力才做到”，而can只表示客观情况；Thefirespreadthroughthehotelveryquicklybuteveryonegetout.A.hadtoB.wouldC.couldD.wasableto(%1)may表示祝愿;但语气较正式:Mayyousucceed!Mayyouhaveagoodjourney!(%1)、must1. must表示义务，意为“必须”，“应该”，其否定式mustnt表示禁止，-SARSissuchaterribledisease.-Yes,itis.Webemorecareful.A.canB.mayC.mustD.need2. must用于疑问句，表责备、抱怨的感情色彩，意思为“偏偏，偏要”John,lookatthetime.youplaythepianoatsuchalatehour?A.MustB.CanC.MayD.Need注意must和haveto的用法区别:must袅示说话人的主观看法，而haveto表示客观的需要，意思是“不得不”.haveto其否定式疑问式要借助于do构成。(注:havegotto相当于haveto其否定式、疑问式由其本身构成)；(1).一Whatdoyouthinkwecandoforouragedparents?一Youdoanythingexcepttobewiththemandbeyourself.A.donthavetoB.oughtnttoC.mustntD.cant(2) .-Canyougoswimmingwithusthisafternoon?-Sorry,Icant.ItakecareofmylittlesisterathomebecausemymotherisillA.canB.mayC.wouldD.haveto(3) .Whentheteacherspeaks,wehavetokeepquiet,?A.haventweB.dontweC.mustntweD.oughtntwe(4) .Igothereatonce.No,Idontthinkyou.A.Must;havetoB.Do;needtoC.Need;mustD.May;oughtto【固定短语】Ifyoumust表示无可奈何地同意某人干某事。一MayIsmokehere?一Ifyou,chooseaseatinthesmokingsection.A.shouldB.couldC.mayD.must(%1)、need1. 作为情态动词，need一般只卒于否定句和疑问句中或条件句。neednt=donthaveto不必。Youneednttrytoexplain.Needwestayherethisevening?Ifyouneedgothere,pleaseletmeknow.(1) .Youtothemeetingthisafternoonifyouhavesomethingimportanttodo.A.neednttocomeB.dontneedcomeC.dontneedcomingD.needntcome(2) .Thebosshasgiveneveryoneaspecialholiday,sowetoworktomorrow.A.mustntgoB.neednthavegoneC.needntgoD.mustnthavegone在以Need幵头的问句中，肯定回答用must;否定回答用neednt;Needwestayherethisevening?_Yes,you.2、一Need司作为实意动词用Sheneedstocometomorrow.Dotheyneedthis?当主语是物时。Sth+need+doingsth=Sth+needtobedone.Thebikeneedsrepairing=Thebike.Thetableneedspainting.=Thetableneeds.Theelderlymanneeds/wants/requireslookingaftereveryday.=Theelderlymanneeds/wants/requirestobelookedaftereverydayThepoormanneedsourhelp,he?A.needB.needntC.doesD.doesnt(%1)darel. dare作为情态动词，主要用于疑问句，否定句和条件从句中，一般不用于肯定句Howdareyousayrmunfair?HedarentspeakEnglishbeforesuchacrowd,dareshe?Ifhedarebreaktherule,hewillbepunished.(1).1wonderhowhethattotheteacher.A.daretosayB.daresayC.notdaresayD.daredsaydare作实义动词，有时态、人称和数的变化。所不同的是，在肯定句中，dare后面通常接带to的不定式；在否定和疑问句中，dare后可接带to或不带to的不定式。Idaretoswimacrosstheriver.Hedoesntdare(to)answer.(l).Jimhisstrictfather,forhehasfailedintheexaminationonceagain.A.didntdaretoseeB.notdareseeC.didntdaredtoseeD.darenottosee(%1)shallshall用于第一、三人称疑问句，用来征求对方意见；用于第二、三人称陈述句，表示说话人的命令、警告、允诺、威胁或决心等。Whateveryouwantyoushallhave,saidtheFairy.仙女说：”你想得到什么，你就可以有什么。”Youshallhaveitbacknextweek.下星期一定还你。Heshallstayinbed他必须躺在床上。1. 一Excuseme,butIwanttouseyourcomputertotypeareport.Youhavemycomputerifyoudonttakecareofit.A.shantB.mightnotC.needntD.shouldnt2. A:Ipromisethatshegetanicepresentonherbirthday.B:Willitbeabigsurprisetoher?A.shouldB.mustC.wouldD.shall3. Ithasbeenannouncedthatcandidatesremainintheirseatsuntilallthepapershavebeencollected.A.canB.willC.mayD.shall?.4. 一Whatdoesthesignoverthereread?一Nopersonsmokeorcarryalightedcigarette,cigarorpipeinthisarea.A.willB.mayC.shallD.must(%1).should/oughtto1.表示“劝告、建议时”，可译成“应该”，表示主观情况；oughtto表示“应该；应当”，后接动词原形，指客观情况。否定式为oughtntto；疑问式为ought+主语+to?oYououghtto/shouldpaymoreattentiontowhatyourlawyersays.Yououghtnottotakerisks,oughtyou?OughthetoleaveforBeijing?(1).-HowsyourtouraroundtheNorthLake?Isitbeautiful?-Itbe,butitisnowheavilypolluted.A.willB.wouldC.shouldD.must(2).Accordingtotheairtrafficrules,youswitchoffyourmobilephonebeforeboarding.A.mayB.canC.wouldD.should2. should可以用于较强语气的假设情形中，表示惊讶的感情色彩，表示“竟然；万一”之意。(1).fired,yourhealthcareandotherbenefitswillnotbeimmediatelycutoff.A.WouldyoubeB.ShouldyoubeC.CouldyoubeD.Mightyou(2).Youcantimaginethatawell-behavedgentlemanbesorudetoalady.A.mightB.needC.shouldD.would(%1)、will/would1. will表示现在的意愿，would表示过去的意愿：Gowhereyouwill.你愿到哪里就到哪里。SheaskedifIwouldgowiththem.当情态动词will表示意愿或决心时，也可用于条件状语从句。Ifyouwilllistentome,I11giveyousomeadviceonhowtolearnEnglish.2. will表示一种倾向或习惯性动作，意为“总是；惯于”；而would表示过去的习惯动作或倾向。Thiswindowwontopen.这扇窗户经常打不幵。Whenhewasachild,hewouldoftengoskating.Sometimesthecatwillliethereallafternoon.有时侯，那只猫总是整个下午都躺在那儿。Oilandwaterwillnotmix.油和水决不能调和。(1) .Whenhewasthere,hegotothatcoffeeshopatthecornerafterworkeveryday.A.wouldB.shouldC.hadbetterD.might.He,sstrangehesitforhourswithoutsayinganything.A.shallB.willC.canD.must3. 祈使句的反意问句通常用willyou表示(Lets结构用shallwe,Letus.用willyou)o1.Weforgottobringourtickets,butpleaseletusenter,?A.doyouB.canweC.willyouD.shallwe(%1)Usedto表示过去的习惯动作或状态，现在已不存在，在间接引语中，其形式可不变。如：Hetoldusheusedtoplayfootballwhenhewasyoung.固国问句、否定句、否定疑问句中，可有两种形式：疑问句Didyouusetogotothesameschoolasyourbrother?Yes,Idid.Usedyoutogotothesameschoolasyourbrother?Yes,Iusedto.否定句lusednttogothere.Ididntusetogothere.其反意疑问句或简略回答中，也有两种形式：Sheusedtobeveryfat,didntshe?正式)use(d)ntshe?口语)(1)Childrenatthebeginningofthiscenturyalotandthemselvesgreatlyevenwithouttelevision.A.usedtoread;enjoyingB.usedtoread;enjoyedC.wereusedtoreading;enjoyD.wereusedtoread;enjoying(2)Motherusstorieswhenwewereyoung.A.wasusedtotellB.isusedtotellingC.usedtotellD.usedtotelling(十)。Hadbetter意为最好”，后接不带to的不定式。如：一Wehadbettergonow.一Yes,wehad(wedbetter/wehadbetter).其否定形式为hadbetterno；反意问句用had构成Youhadbettertakeagoodrest,hadntyou?Youdbetternotputhimintothetrouble,hadyou?(1) .Itsfreezingoutside.Youputonyourovercoat.A.hadbettertoB.hadbetterC.wouldbetterD.wouldbetterto(2) .Hehadbetterstayhere,he?A.didntB.dontC.hadntD.isnt(3) .Youdbetterlatenexttime.A.nottobeB.notbeC.wontbeD.dontbe(4) .Sincethebusiscrowded,we.A.hadbetterwalktohomeB.havebetterwalkhomeC.hadbetterwalkhomeD.hadbettertowalkhome(十一)。Wouldrather意为宁愿”，表选择，后接不带to的不定式。如：Fdrathernotsayanything.Wouldyouratherworkonafarm?一Wouldntyouratherstayhere?一No,Iwouldnot.Fdrathergothere.由于wouldrather表选择，因而后可接than。如：Iwouldratherworkonafarmthaninafactory.IwouldratherwatchTVthangotoseethefilm(1) -Shallwegoshoppingorstayathome?Whichdoyourself?A.doyouratherB.wouldyouratherC.willyouratherD.shouldyourather(2) Hesaidhewouldrathernotitrightnow.A.doingB.todoC.doD.tobedoing(3) Youcomeinnow,Mary!Itsgettingcold!Igoonplayinginthegarden.A.hadbetterhadbetterB.wouldratherhadbetterC.hadbetterwouldratherD.hadbetterwouldhavebetter(4) 1playfootballthanbaseball.A.wouldratherB.hadbetterC.likebetterD.prefer练习1. Youtotowntoseethefilmyesterday.ItwillbeonTVtonight.A)needntgoB)hadbetternotgoC)shouldnotgoD)neednthavegoneEvewaslateforclassagain.Sheearlier.A)shouldgetupB)mustgetupC)needtogetupD)shouldhavegotupTheroadwasmuddy.Itrainedlastnight.A)mustB)musthaveC)mustbeD)couldhaveYoushouldbearinmindthatheisnotsostrongashe.A)wasusedtobeB)usedtobeC)wasusedtoD)usetoWeoughttohelpeachotherinourwork,?A)oughtntweB)shouldweC)shouldntweD)oughttoweYouyourtoothpulledoutbeforeitrotcompletely.A)hadbettergotB)hadtogetbetterC)hadbettertogetD)hadbettergetAshehadheartattack,hewastoldthathecontinuethework.A)needntB)maynotC)mustntD)cantHethe9:20trainbecausehedidntleavehometill9:25.A)canreachB)couldcatchC)maynotcatchD)couldnthavecaughtYou_tothemeetingthisafternoonifyouhavesomethingimportanttodo.A.neednttocomeB.dontneedcomeC.dontneedcomingD.needntcomethoughtitover,butcometonoconclusion.A.canB.couldC.shouldD.would11.Mygoodness!Ivejustmissedthetrain.Thatstoobad.Iamsureyouit,ifyouhadhurried.A.couldhavecaughtB.hadcaughtC.wouldcatchD.couldcatchrepeatthequestion?A.ShallB.WillC.DoyouwantthatD.DoYoureadthatbookifyoudontwantto.A.haventB.cantC.mustntD.needntJohnny,youplaywiththeknife;youhurtyourself.A.wont;cantB.cant;shouldntC.shouldnt;mustD.mustnt;mayEveryoneishere.westartthemeeting?A.CanB.MustC.ShouldD.Shallparkedmycarrightherebutnowitsgone.It.A.mustbestolenB.maybestolenC.musthavestolenD.musthavebeenstolenHedidnotpasstheexamination.Asagoodstudent,heA.mustnthavefailedB.maynothavefailedC.neednthavefailedD.shouldnthavefaileditbetruethatAlbertpassedthetestingeography?A.MayB.shouldC.CouldD.wouldWeforgottobringourtickets,butpleaseletusenter,?A.doyouB.canweC.willyouD.shallweMusthecometosignthispaperhimself?Yes,he.A.needB.mustC.mayD.will