资源描述：
《Modal Verbs1》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、ModalVerbs(情态动词)一、情态动词：can,could,may,might,mist,need,oughtto,dare,有时shall,should,will，would在一定场合下也算作情态动词。二、情态动词的用法：1．情态动词后接动词原形表示现在的情况e.g.Wemustworkhardatourlessons.Weoughttohelpeachotherinourstudy.2.情态动词后接动词的完成形式构成谓语表示过去的情况，意为：“应当已经…，“想必已经…等1).can/could/may/might/must+havedone表
2、示对过去事件的推论，意为；“可能”“也许”“一定”已经做了某事。e.g.Thegroundiswet.Itmusthaverainedlastnight.2).should/oughtto+havedone表示本应该做而没有做。e.g.Ishouldhaveboughtthatfashionshoesyesterday,butIdidn’t.Yourgrandfatherdied.Heoughttohaveenjoyedhisleisuretime.3).shouldnot/oughtnotto+havedone表示本不该做而做了。e.g.Theman
3、isveryclever.Heoughtnottohavedonesuchastupidthing.4).needn’t+havedone表示做了不必做的事，意为：“本不必”e.g.Youneedn’thaveboughtthatcoat,wecanmakeoneforyou.Youneedn’thaveseenme,Iwillgobackthisafternoon.Exercises(情态动词)1.Youarelateforworkagain.You____havebeenhereanhourearlier.A.shouldB.mayC.mustD.
4、could2.That’sallright.Icandealwithit.You____withme.A.don’tneedgoB.neednotgotoC.neednotgoD.needgo3.TotravelfromAmericantoEnglandyoumusthaveapassport,buttotravelfromEnglandtoScotlandyou____.A.mustn’tB.can’tC.don’thaveD.needn’thave4.Thehouseisdark.TheGreens____tobed.A.musthavegoneB
5、.shouldgoC.shouldhavegoneD.mustgo5.HisEnglishcompositionisnottoogood,she___itherself.A.can’thavewrittenB.won’thavewrittenC.mustn’thavewrittenD.shouldhavewritten6.Mypursewasnotfound.I____whenIwasinatrain.A.mustdropB.haddroppedC.shouldhavedroppedD.musthavedropped7.Theydidn’tseemsu
6、rprisedwhenItoldthemthenews.They___aboutit.A.mayhaveknownB.willhaveknownC.needhaveknownD.shouldhaveknown8.Theroomisinaterriblemess,it___cleaned.A.can’thavebeenB.shouldn’thavebeenC.mustn’thavebeenD.wouldn’thavebeen9.You____thejobyesterday.WehaveasecretaryTodothatkindofthing.A.nee
7、dn’thavedoneB.mustn’thavedoneC.shouldhavedoneD.can’thavedone10.You___heryesterday.Shehasbeenoutfortwodays.A.needn’thaveseenB.musthaveseenC.mighthaveseenD.can’thaveseen11.Hethoughtit___lastnight.A.couldn’trainB.couldn’thaverainedC.mustn’thaverainedD.needn’thaverained12.He___atthe
8、meeting,butIdidn’tnoticehimthere.A.musthavebeen
