2012高考英语语法：情态动词(共33张PPT)

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1、情态动词modalverbs1.--IsJohncomingbytrain?--Heshould,buthe____not.Helikesdrivinghiscar.A.mustB.canC.needD.may2.Ithasbeenannouncedthatcandidates(候选人)____remainintheirseatsuntilallthepapershavebeencollected.A.canB.willC.mayD.shall3.--Iheardtheywentskiinginthemountainslastwinter.--It____truebecaus

2、etherewaslittlesnowthere.A.maynotbeB.won’tbeC.couldn’tbeD.mustn’tbe情态动词表示推测不表示推测cancouldmaymightshallshouldmustwillwouldoughttohavetodare(daren’t)need(needn’t)usedtoIdaren’taskherforarise.我不敢请求她加薪.Howdidyoudaretotellherthat?Iwonderwhetherhedarestandupinpublic.Idon’tknowhowshedarestowearthat

3、dress.Doyouneedanyhelp?Iwonderwhetherheneedsenditimmediately.Ineedhardlytellyouthattheworkisdangerous.Thegardendoesn’tneedwateringatthemoment.Youneedn’tfinishthatworktoday.判断正误:Howdareyousaysuchathing?Howdareyoutosaysuchathing?Hedaren’ttospeakEnglishbeforesuchacrowd,didhe?Hedaren’tspeakEngl

4、ishbeforesuchacrowd,darehe?Nobodyneedtobeafraidofcatchingthedisease.Nobodyneedbeafraidofcatchingthedisease.Thesedishesneedbecleanedcarefully.Thesedishesneedtobecleanedcarefully.Thesedishesneedcleaningcarefully.注意对need问句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________

5、.No,________________.youmustyouneedn’tyoudon’thavetoneedn’t对其它情态动词的回答:--ShallItellJohnaboutit?--No,you__________.--Mustwedoitnow?--No,you__________.needn’t(don’thaveto)needn’t(don’thaveto)表示推测——情态动词的重要用法.1.YoumustbeMrSmith----Iwastoldtoexpectyouhere.2.Hemusthaveknownwhatwewanted.3.Wemayhave

6、readthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatcantheybedoing?7.Thesepillsmighthelptocureyourdisease.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/should对将来对现在对过去情态动词may,mightcan’t,couldn’tcan,could+V.+V.+havedone常见m

7、ustbe+bedoing+V.+V.+havedone+bedoing可以用not表示“可能不”+V.+V.+havedone+bedoing+V.+V.+havedone+bedoing1.Idon'tknowwheresheis,she_______beinWuhan.2.Atthismoment,ourteacher________________ourexampapers.这时，我们老师想必在批改试卷。3.Theroadiswet.It________________lastnight.(ra