高三总复习之情态动词

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1、高三总复习之情态动词modalverbs惠安惠南中学杨耿波1.---Isn’tthatAnn’shusbandoverthere?---No,it____behim.I’msurehedoesn’twearglasses.(2004高考题）A.can’tB.mustnotC.won’tD.maynot2.Aleft-luggageofficeisaplacewherebags____beleftforashorttime,especiallyatarailwaystation.(2003高考题）A.should

2、B.canC.mustD.will3.Iwasreallyanxiousaboutyou.You_____homewithoutaword.(2001高考题）A.mustn’tleaveB.shouldn’thaveleftC.couldn’thaveleftD.needn’tleaveWarming-up:情态动词表示推测不表示推测cancouldmaymightshallshouldmustwillwouldoughttohavetodare(daren’t)need(needn’t)usedtoIdare

3、n’taskherforarise.Howdidyoudaretotellherthat?Iwonderwhetherhedarestandupinpublic.Idon’tknowhowshedarestowearthatdress.Doyouneedanyhelp?Iwonderwhetherheneedsenditimmediately.Ineedhardlytellyouthattheworkisdangerous.Thegardendoesn’tneedwateringatthemoment.Youn

4、eedn’tfinishthatworktoday.可兼做行为动词的情态动词：need、dare情态动词(+动词原形)行为动词.needdare1.无人称和数的变化;2.一般用于：*否定句及疑问句中;*在if/whether之后;*或与hardly,never,noone,nobody连用;3.常以needn’t和daren’t的形式出现;4.dare有其过去时dared.多用于肯定句;(sb.)needtododaretodo(sth.)needtobedone(sth.)needdoing判断正误:Howd

5、areyousaysuchathing?Howdareyoutosaysuchathing?Hedaren’ttospeakEnglishbeforesuchacrowd,didhe?Hedaren’tspeakEnglishbeforesuchacrowd,darehe?Nobodyneedtobeafraidofcatchingthedisease.Nobodyneedbeafraidofcatchingthedisease.Thesedishesneedbecleanedcarefully.Thesedi

6、shesneedtobecleanedcarefully.Thesedishesneedcleaningcarefully.(上海高考题)：Iwonderhowhe___thattotheteacher.daretosayB.daresayingC.notdaresayD.daredsayneedn’t对其它情态动词的回答:--ShallItellJohnaboutit?--No,you__________.--Mustwedoitnow?--No,you__________.needn’t(don’thave

7、to)needn’t(don’thaveto)表示推测——情态动词的重要用法.1.YoumustbeMr.Smith----Iwastoldtoexpectyouhere.2.Hemusthaveknownwhatwewanted.3.Wemayhavereadthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatcantheybedoing?7.Thesepillsmigh

8、thelptocureyourdisease.8.Youcouldberight,Isuppose.表示推测——情态动词的重要用法.肯定的推测可能的推测否定的推测疑问的推测must对将来对现在对过去情态动词may,mightcan’t,couldn’tcan,could+V.+V.+havedone常见mustbe+bedoing+V.+V.+havedone+bedoing可以用no