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1、Grammar：Modalverbs情態(tài)動(dòng)詞情態(tài)動(dòng)詞（modalverbs)：表示說(shuō)話人的語(yǔ)氣或情態(tài)，如請(qǐng)求、命令、愿望、能力以及可能性等。英語(yǔ)的情態(tài)動(dòng)詞有：can/couldmay/mightmustshall/shouldwill/wouldneedhaveto能夠可能必須應(yīng)該意愿敢需要不得不+動(dòng)詞原形肯定否定縮寫否定cancannotcan’tcouldcouldnotcouldn’tmaymaynot/mightmightnotmightn’tmustmustnotmustn’tshouldshouldnotshoul
2、dn’tneedneednotneedn’tShall一般只能用于第一人稱。IshallthinkitoverandLetyouknowmyidea.我將考慮一下此事，然后告訴你我的想法。情態(tài)動(dòng)詞不能單獨(dú)作謂語(yǔ)動(dòng)詞，只能與動(dòng)詞原形一起做謂語(yǔ)，沒(méi)有人稱和數(shù)的變化。Abirdcanfly.Fishcan’tlivewithoutwater.Youmusthandinyourhomeworkatonce.Youmustn’ttalkloudlyinpublic.canmaymust詞義肯定否定疑問(wèn)回答能夠(表能力)可以(表允許)必須
3、主語(yǔ)+can+動(dòng)詞原形主語(yǔ)+may+動(dòng)詞原形主語(yǔ)+must+動(dòng)詞原形主語(yǔ)+cannot/can’t+動(dòng)詞原形主語(yǔ)+maynot+動(dòng)詞原形主語(yǔ)+mustnot/mustn’t+動(dòng)詞原形Can+主語(yǔ)+動(dòng)詞原形？May+主語(yǔ)+動(dòng)詞原形？Must+主語(yǔ)+動(dòng)詞原形？Yes,主語(yǔ)+can.No,主語(yǔ)+can’t.Yes,主語(yǔ)+may.No,主語(yǔ)+maynot.Yes,主語(yǔ)+must.No,主語(yǔ)+needn’t.在口語(yǔ)中可用can代替，但may更禮貌。1.Myelderbrother______________(能)driveacar.否定
4、句：一般疑問(wèn)句：肯定回答：否定回答：就劃線部分提問(wèn)：PracticecanMyelderbrothercannot/can’tdriveacar.Canyourelderbrotherdriveacar?Yes,hecan.No,hecan’t.Whatcanyourelderbrotherdo?2.You__________________(可以)leavenow.否定句：一般疑問(wèn)句：肯定回答：否定回答：就劃線部分提問(wèn)：PracticemayYoumaynotleavenow.MayIleavenow?Yes,youmay.
5、No,youmaynot.WhenmayIleave?3.Lily_________________(必須)gotothelibrary.否定句：一般疑問(wèn)句：肯定回答：否定回答：就劃線部分提問(wèn)：PracticemustLilymustn’tgotothelibrary.MustLilygotothelibrary?Yes,shemust.No,sheneedn’t.WheremustLilygo?A.用must(not),may(not),can(not)填空：1.—Idon’tunderstandthisword._____
6、______Iuseyourdictionary?--Yes,pleaseuseit.2.Thetrafficlightisturningred.We____________stop.3.You______________borrowtwobooksatatime.4.Tom__________playtabletennis,buthe_________playfootball.5.—Doctor,_____________Itakemuchmedicine?--No,youneedn’t.Butyou____________
7、__drinkalotofwater.6.Tomisgoodatdrawing.He______________drawwonderfulpictures.7.You_______________smokehere.It’sdangerous.8.--MayIturnontheTV?–No,you_________.Mydadissleeping.TestYourselfMay/Canmustmay/cancancan’tmustmustcanmustn’t/cannot/maynotmaynotcan’tTestYourse
8、lfB.單項(xiàng)選擇：1.--_______Iaskyouaquestion?--SureA.MayB.DoC.ShouldD.Am2.—CanIgotothepark,Mum?--Certainly.Butyou________bebackbysixo’clock.canB.m
