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1、情態(tài)動詞modalverbs北江中學高一英語備課組1.--IsJohncomingbytrain?--Heshould,buthe____not.Helikesdrivinghiscar.(2002高考題）A.mustB.canC.needD.may2.Ithasbeenannouncedthatcandidates(候選人)____remainintheirseatsuntilallthepapershavebeencollected.(2002上海高考題）A.canB.willC.mayD.shall3.--
2、Iheardtheywentskiinginthemountainslastwinter.(2002北京高考題）--It____truebecausetherewaslittlesnowthere.A.maynotbeB.won’tbeC.couldn’tbeD.mustn’tbe情態(tài)動詞表示推測不表示推測cancouldmaymightshallshouldmustwillwouldoughttohavetodare(daren’t)need(needn’t)usedtoIdaren’taskherforari
3、se.我不敢請求她加薪.Howdidyoudaretotellherthat?Iwonderwhetherhedarestandupinpublic.Idon’tknowhowshedarestowearthatdress.Doyouneedanyhelp?Iwonderwhetherheneedsenditimmediately.Ineedhardlytellyouthattheworkisdangerous.Thegardendoesn’tneedwateringatthemoment.Youneedn’tf
4、inishthatworktoday.可兼做行為動詞的情態(tài)動詞：need、dare情態(tài)動詞(+動詞原形)行為動詞.needdare1.無人稱和數(shù)的變化;2.尤其用于：*否定句及疑問句中;3.常以needn’t和daren’t的形式出現(xiàn);多用于肯定句;(sb.)needtododaretodo(sth.)needtobedone(sth.)needdoing判斷正誤:Howdareyousaysuchathing?Howdareyoutosaysuchathing?Hedaren’ttospeakEnglishbe
5、foresuchacrowd,didhe?Hedaren’tspeakEnglishbeforesuchacrowd,darehe?Nobodyneedtobeafraidofcatchingthedisease.Nobodyneedbeafraidofcatchingthedisease.Thesedishesneedbecleanedcarefully.Thesedishesneedtobecleanedcarefully.Thesedishesneedcleaningcarefully.注意對need問句的
6、回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.No,________________.youmustyouneedn’tyoudon’thavetoneedn’t對其它情態(tài)動詞的回答:--ShallItellJohnaboutit?--No,you__________.--Mustwedoitnow?--No,you__________.needn’t(don’thaveto)needn’t(don’thaveto)
7、表示推測——情態(tài)動詞的重要用法.1.YoumustbeMrSmith----Iwastoldtoexpectyouhere.2.Hemusthaveknownwhatwewanted.3.Wemayhavereadthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatcantheybedoing?7.Thesepillsmighthelptocureyourdisease.8.
8、Youcouldberight,Isuppose.表示推測——情態(tài)動詞的重要用法.肯定的推測可能的推測否定的推測疑問的推測must對將來對現(xiàn)在對過去情態(tài)動詞may,mightcan’t,couldn’tcan,could+V.+V.+havedone常見mustbe+bedoing+V.+V.+havedone+bedoing(maynot表示“可能不”)+V.+V.+h
