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时间:2018-07-30
《情态动词表推测》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、表推测的情态动词1.表推测的情态动词有:must,should,can,could,may,以及might。情态动词肯定式否定式疑问式must必须,必然,一定should按道理应该,理应can可能(理论上)不可能有可能吗could比can语气弱不可能比can弱may也许(现实上)可能不might比may弱比maynot语气弱其中must,should只能用于肯定句式,can用于肯定句式时表示理论上的可能性或偶尔的可能;而should则表示主观推测,“估计”“按道理应该”may,might不能用于疑问式。疑问式主要使用情态动词can,could我们可以用数学里的“大于”符号
2、来表示情态动词的推测语气:表肯定:must>should>could/may>might表否定:can’t>maynot>mightnot2.情态动词+havedone表推测一览表情态动词+havedone用法例句musthavedone一定已经做了Theymusthavefinishedtheirworkcan’thavedone不可能已经做了Theycan’thavefinishedtheirworkcouldhavedone可能已经做了本可以做但未做Wecouldhavewalkedhere;itwassonearmayhavedone也许已经做了Theymayha
3、vefinishedtheirwork.mighthavedone也许已经做了或本来可以做但未做YoumighthaveusedmycomputerbecauseIdidn’tuseitshould/oughttohavedoneshouldn’t/oughtn’thavedone本来该做但未做本不该做但已经做了Youshouldhavefinishedyourworkyesterday.neednothavedone做了本不必要做的事Youneedn’thavecomesoearly.3.情态动词表推测分类练习(一)(肯定句式)1.--AreyoucomingtoTom
4、’sparty? --I’mnotsure.I________gototheconcertinstead A.must B.would C.should D.might52.Peter______comewithustonight,butheisn’tverysure.A.must B.may C.can D.will3.Hurryup,ourteacher_____forusattheschoolgate.A.mustbewaitingB.mustwaitC.mightwaitD.canbewaiting4.Youhavedon
5、esomuchwork,you__________rathertired.A.mustbefeeling B.couldbefelt C.maybefeeling D.wouldfeel5.Shedoesn'tanswerthedoorbell,she_____beasleep.A.canB.mightC.musthaveD.should6.Naturally,afterItoldherwhattodo,mydaughter______goanddotheopposite!A.mayB.canC.mustD.should7.--Isthereaflightto
6、Paristhisevening?--There_______be.I’llphonetheairportandfinditout.A.must B.would C.might D.can8.---I’vetakensomeoneelse’sgreensweaterbymistake.---It______Harry’s.Healwayswearsgreen.A.hastobeB.willbeC.mustn’tD.couldbe9.Veryloudnoises__________makepeopleill,hurttheirearsorevend
7、rivethemmad.A.must B.need C.can D.should10.Even experienced teachers ________ make mistakes.A.mustB.canC.shouldD.might11.Thetemperature______sometimesreach35℃inJuly.A.mustB.shallC.shouldD.can12.Toomuchlove________sometimesbebad.A.mustB.shallC.shouldD.can1
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