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1、动词的分类work,play,ask,be,become,fell,do,does,did,willcan,may,must,should实意动词系动词助动词情态动词情态动词表说话人的某种感情或语气，对某一动作或状态的某种态度。表示“需要、可以、必须、应当”等。情态动词(modalverbs)情态动词+动词原形情态动词cancouldmaymightshallshouldmustwillwouldoughttohavetodare(daren’t)need(needn’t)usedto能力can建议should推测canmaymust许可cancouldmaymight过去习惯woul
2、dusedto1)Someofuscanusethecomputernow,butwecouldn’tlastyear.2)Thenew-builttheatrecanseat1500people.4)Can/CouldIuseyourdictionary?5)Couldyoulendmeahand?1.表能力1.can与could2.表示“许可”，可与may换用。3)Youcangohomenow.3.表示“请求”“允许”(表请求时，口语中常用could代替can使语气更委婉，回答时用can)4.表示推测，意为“可能”“或许”，用于疑问句或否定句，could的可能性更小6)Cansh
3、ebeinthecomputercenter?7)Ithoughwhathesaidcouldnotbetrue.5.can用于疑问句或否定句中时，表惊异、不相信等，意思是“可能、能够”。8)Howcanyousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlypartofthearticle?4.表示“许可”，可与may换用。Youcangohomenow.5.can用于疑问句或否定句中时，表惊异、不相信等，意思是“可能、能够”。HowcanyousaythatyoureallyunderstandthewholeSt
4、oryifyouhavecoveredonlypartofthearticle?6.can’t/couldn’t+have+done表示对过去情况的否定推测Susancan’thavewrittenareportlikethis.7.could+have+done表示对过去能做而未做的事情感到惋惜，遗憾It’sapity.Yourclasscouldhavegotthefirstprize.Michael____beapoliceman,forhe’smuchtooshort.A.needn’tB.can’tC.shouldD.may2.Mr.Bushisontimeforeveryt
5、hing.How____itbethathewaslatefortheopeningceremony?A.canB.shouldC.mayD.must3.----IstayedatahotelwhileinNewYork.----Oh,didyou?You____withBarbara.A.couldhavestayedB.couldstayC.wouldstayD.musthavestayedMysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.A.couldn’thaveattendedB.nee
6、dn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattendedBAAA2.may与might表示“许可”或“请求”，有“可以”的意思，口语中常用might代may,表示委婉语气。否定回答时用“mustnot”表“禁止，阻止”,不用“maynot”。“maynot”表示“可能不”。1)---MayIwatchTVaftersupper?---Yes,youmay./No,youmustn’t.2)TodayisSunday.Shemaynotbeinherofficenow.2.表示可能性。意为“或许，可能”might比may可能
7、性小。1)Itmightbetrue.2)Theymaybeinthelibrarynow.4.may/mightaswell+动词原形“不防，也好”Youmayaswellgoandhavealook.3.Mayyou+动词原形表“希望、祝愿、祈求”,“祝你……”Eg:Mayyousucceed!Mayyoubehappy!Mayyouhaveagoodtimeonyourtrip!1.SorryI'mlate.I_____haveturne
