情态动词--知识点归纳

1情态动词例1.TomhasseveralhousesinLondon,sohe_______beveryrich.A.mayB.mustC.canD.might例2.-Isjackondutytoday?-It_______behim.It’shisturntomorrow.A.mustn’tB.won’tC.can’tD.needn’t1.Tom，youputallyourclothesonthefloorlikethis！A．wouldn’tB.mustn’tC.needn’tD.maynot2.John,lookatthetime.____youplaythepianoatsuchalatehour?A.MustB.CanC,MayD.Need3.He______havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbytheseaside.A.ShouldB.mustC.wouldn’tD.can’t4.Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.They___atleast150kilometersanhour.A.shouldhavebeendoingB.musthavebeendoingC.couldhavedoneD.wouldhavedone5.----ThewomenbiologiststayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.----Ohdear!She____alotofdifficulties!A．maygothroughB.mightgothroughC．oughttohavegonethroughD.musthavegonethrough6.----Tomisneverlateforwork.Whyisheabsenttoday?----Something______tohim.A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappened7.Thiscakeisverysweet.You____alotofsugarinit.A.shouldputB.couldhaveputC.mighthaveputD.musthaveput8.Childrenunder12yearsofagesinthatcountry____beunderthesupervisionwheninapubliclibrary.A..must.B.mayC.canD.need9.----Whoisthegirlstandingoverthere?----Well,ifyou___know,hernameisMabel.A.mayB.canC.mustD.shall【知识点归纳】1)mustn’t表”禁止一定不要”.2)must有“必须,偏偏,偏要”的意思.3)musthavedonesth.过去一定做了某事。表示对过去的肯定推测4)musthavebeendoingsth过去一定在做某事，表示对过去事情的推测。5)must表示“猜测”意义时,一般把握性很大,意为“想必,一定,必定”。6)must表示“猜测”时只用于肯定句中,如果是疑问句或否定句应该用can或can’t.7)没有mustn’thavedone的形式。21.TheWorldWideWebissometimesjokinglycalledtheWorldWideWaitbecauseit_____beveryslow.A.shouldB.mustC.willD.can2.----ShallIgiveyouarideasyoulivesofaraway?----Thankyou._____.A.Itcouldn’tbebetterB.OfcourseyoucanC.IfyoulikeD.Itisuptoyou3.----DoyouknowwhereDavidis?Icouldn’thavefindhimanywhere.----Well.He____havegonefar，for__hiscoatisstillthere.A.shouldn’tB.mustn’tC.can’tD.wouldn’t4.I______havebeenmorethansixyearsoldwhentheaccidenthappened.A.shouldn’tB.couldn’tC.mustn’tD.needn’t5.IfI_____plantodoanythingIwantedto,I’dliketogotoTibetandtravelthroughasmuchofitaspossible.A.wouldBcouldC.hadtoD.oughtto6.----Ifthetraffichadn’tbeensoheavy,Icouldhavebeenbackby6o’clock.----Whatapity!Tina____heretoseeyou.A.isBwasC.wouldbeD.hasbeen.7.Hepaidforaseat,when____haveenteredfree.A.couldB.wouldC.mustDneed.8.----MumI‘vebeenlearningEnglishsince8o’clock._____Igooutandplayforawhile----No,I’mafraidnot.Besides,itisrainingoutsidenow.A.Can’tB.Wouldn’tC.MaynotD.Won’t9.MyEnglish--Chinesedictionaryhasdisappeared.Who___havetakenit?A.shouldB.mustC..couldD.would【知识点归纳】1)can表“能力”Mancannotlivewithoutair.表“可能”Hecan(not)behungry.Coldcanbedangerous.Can/Couldthenewsbetrue?表“许可”Can/CouldIborrowyourcar?2)can’t/couldn’thavedone不可能已经…3)could可以用于虚拟语气。4)couldhavedone可以表示“推测”，也可以表示“该做没做”。5)Can/Can’tI……可以用来征询对方的建议.。1.There_____beanydifficultyaboutpassingtheroadtestsinceyouhavepractisedalotinthedrivingschool.A.mustn’tB.shan’tC.shouldn’tD.needn’t2.----I’lltellMaryabouthernewjobtomorrow.----You_____herlastweek.A.oughttotellB.wouldhavetoldC.musttellD.shouldhavetold.3.Ioftenseelightsinthatemptyhouse.DoyouthinkI____reportittothepolice?A.shouldB.mayCwillD.can4．Youcan’timaginethatawell-behavedgentleman——besorudetoalady.A．mightB.needCshouldD.would【知识点归纳】1)should可用于比较有把握的的推测,已意思是”按理说,应该”2)shouldhavedonesth表示”过去本应该做某事却没有”做33)shouldn’thavedonesth.表示过去本不该做事却做例:Youshouldhavestudiedhardlastterm,butyoudidn’t4）should由“竟然”的意思It’soddthatsheshouldmarrysuchameanman.1)----Lucydoesn’tmindlendingyouherdictionary.----She___.I’vealreadyborrowedone.A.can’tBmustn’tCneedn’tDshouldn’t2)----Catherine,Ihavecleanedtheroomforyou.----Thanks.You____it.Icouldmanageitmyself.A.needn’tdoB.needn’thavedoneC.mustn’tdoD.shouldn’thavedone3)----Idon’tmindtellingyouwhatIknow.----You____.I’mnotaskingforit.A.musn’tB.maynotC.can’tD.needn’t【知识点归纳】1)needn’t表示没有必要.2)needn’thavedonesth,表示过去没有必要3)didn’tneedtodosth.表示过去没有必要做某实也没有做1)Helen____goonthetripwithus,butsheisn’tquitesureyet.A.shallB.mustC.mayD.can.2)I_______payTracyaviait,butI’mnotsurewhetherwillhavetimethisMonday.A.shouldB.mightC.wouldD.could3)Sorry,I’mlate.I____haveturnedoffthealarmclockandgonebacktosleepagain.A.mightB.shouldC.canD.will【知识点归纳】1.may表示可能性,意思是“也许”的意思2.may/mighthavedone以及maynot/mightnothavedone用法与can/couldhavedone以及cannot/couldnothavedone用法类似。3.may可以表“许可、推测”，might可以表“许可、推测”，谈论过去时，might是may的过去式IaskedherifImightcallherandseeher.(本句中might是may的过去式)但征求对方意见时，might不表示过去，而是委婉语气1)”Theinterest____bedividedintofiveparts,accordingtotheagreementmadebybothsides,”declaredthejudge.A.mayB.shouldC.mustD.shall2)----Excuseme,butIwantyourcomputertotypeareport.----You____havemycomputerifdon’ttakecareofit.A.shan’tB.mightnotC.needn’tD.shouldn’t【知识点归纳】1.shall表示意愿，一般用于二，三人称2.表示法律条文规定的内容见书上109页1）Whenhewasthere，he——gotothecoffeeshopatthecornerafterworkeveryday.A.wouldB.shouldC.hadbetterD.might【知识点归纳】4would意思是过去常常，表示过去的习惯。但不可以用于表状态的词。如：不可以说：Hewouldbeateacher.1）Thefirespeedthroughthehotelveryquicklybuteveryone——getout.A.hadtoB.wouldC.wasabletoD.could【知识点归纳】wasableto意思是做成了某事—CouldIborrowyourdictionary？—Yes,ofcourseyou________.A