0808《《情态动词情态动词》》1.--IsJohncomingbytrain?--Heshould,buthe____not.Helikesdrivinghiscar.(2002高考题）A.mustB.canC.needD.may2.Ithasbeenannouncedthatcandidates(候选人)____remainintheirseatsuntilallthepapershavebeencollected.(2002上海高考题）A.canB.willC.mayD.shall3.--Iheardtheywentskiinginthemountainslastwinter.(2002北京高考题）--It____truebecausetherewaslittlesnowthere.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’tknowhowshedarestowearthatdress.Doyouneedanyhelp?Iwonderwhetherheneedsenditimmediately.Ineedhardlytellyouthattheworkisdangerous.Thegardendoesn’tneedwateringatthemoment.Youneedn’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.尤其用于：*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:Howdareyousaysuchathing?Howdareyoutosaysuchathing?Hedaren’ttospeakEnglishbeforesuchacrowd,didhe?Hedaren’tspeakEnglishbeforesuchacrowd,darehe?Nobodyneedtobeafraidofcatchingthedisease.Nobodyneedbeafraidofcatchingthedisease.Thesedishesneedbecleanedcarefully.Thesedishesneedtobecleanedcarefully.Thesedishesneedcleaningcarefully.注意对need问句的回答:--NeedIfinishtheworktoday?--Yes,________________.No,________________.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.Wemayhavereadthesamereport.4.Hecan’thavesleptthroughallthatnoise.5.There’ssomeoneoutside----whocanitbe?6.Whatca...
