情態(tài)動詞表推測.doc

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1、表推測的情態(tài)動詞1.表推測的情態(tài)動詞有：must,should,can,could,may,以及might。情態(tài)動詞肯定式否定式疑問式must必須，必然，一定should按道理應(yīng)該，理應(yīng)can可能（理論上）不可能有可能嗎could比can語氣弱不可能比can弱may也許（現(xiàn)實(shí)上）可能不might比may弱比maynot語氣弱其中must,should只能用于肯定句式，can用于肯定句式時(shí)表示理論上的可能性或偶爾的可能；而should則表示主觀推測，“估計(jì)”“按道理應(yīng)該”may,might不能用于疑問式。疑問式主要使用情態(tài)動詞can,could我們可以用數(shù)學(xué)里的“大于”符號來表

2、示情態(tài)動詞的推測語氣：表肯定：must>should>could/may>might表否定：can’t>maynot>mightnot2.情態(tài)動詞+havedone表推測一覽表情態(tài)動詞+havedone用法例句musthavedone一定已經(jīng)做了Theymusthavefinishedtheirworkcan’thavedone不可能已經(jīng)做了Theycan’thavefinishedtheirworkcouldhavedone可能已經(jīng)做了本可以做但未做Wecouldhavewalkedhere;itwassonearmayhavedone也許已經(jīng)做了Theymayhavefi

3、nishedtheirwork.mighthavedone也許已經(jīng)做了或本來可以做但未做YoumighthaveusedmycomputerbecauseIdidn’tuseitshould/oughttohavedoneshouldn’t/oughtn’thavedone本來該做但未做本不該做但已經(jīng)做了Youshouldhavefinishedyourworkyesterday.neednothavedone做了本不必要做的事Youneedn’thavecomesoearly.3.情態(tài)動詞表推測分類練習(xí)（一）（肯定句式）1.--AreyoucomingtoTom’spart

4、y??--I’mnotsure.I________gototheconcertinstead?A.must???B.would???C.should????D.might2.Peter______comewithustonight,butheisn’tverysure.A.must????B.may????C.can?????D.will3.Hurryup,ourteacher_____forusattheschoolgate．A.mustbewaitingB.mustwaitC.mightwaitD.canbewaiting4.Youhavedonesomuchwo

5、rk,you__________rathertired.A.mustbefeeling??B.couldbefelt??C.maybefeeling??D.wouldfeel5.Shedoesn'tanswerthedoorbell,she_____beasleep．A.canB.mightC.musthaveD.should6.Naturally,afterItoldherwhattodo,mydaughter______goanddotheopposite!A.mayB.canC.mustD.should7.--IsthereaflighttoParisthisev

6、ening?--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,hurttheirearsorevendrivethemmad.A

7、.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.can13