历年高考试题对情态动词的考查热点有:1.情态动词+do表对现在推测的用法2.情态动词+have+done结构表过去推测或虚拟的用法3.shall表命令、指示、意图、允诺;义务、规定的用法4.must表主张或与说话人愿望相反及不耐烦1.情态动词+do表对现在推测的用法1)肯定的推测可用must---will---would---oughtto---should---may---might(语气逐渐减弱,可能性从大到小。)①It’snearlyseveno’clock.Jack___behereatanymoment.(NMET95)A.mustB.needC.shouldD.can②—AreyoucomingtoJeff’sparty?—I’mnotsure.I___gototheconcertinstead.(NMET2000)A.mustB.wouldC.shouldD.might③—IsJohncomingbytrain?—Heshould,buthe________not.Helikesdrivinghiscar.(NMET2002)A.mustB.canC.needD.may2)否定的推测用maynot(语气较弱),can’t(语气较强),couldn’t(语气介于两者之间)。e.g.①---Isn‘tthatAnn’shusbandoverthere?---No,it_______behim-I'msurehedoesn'twearglasses.(NMET2004)A.can‘tB.mustnotC.won'tD.maynot②You______betired---you'veonlybeenworkingforanhour.(NMET2004)A.mustnotB.won'tC.can'tD.maynot3)疑问的推测一般只用can/could(可能性更小)。e.g.How____yousaythatyoureallyunderstandthewholestoryifyouhavecoveredonlypartofthearticle?(2003年上海卷)A.canB.mustC.needD.may①SorryI’mlate.I____haveturnedoffthealarmclockandgonebacktosleepagain.(北京2000春)A.mightB.shouldC.canD.will②MysistermethimattheGrandTheateryesterdayafternoon,sohe____yourlecture.(上海2000)A.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattended2.情态动词+have+done结构表过去推测或虚拟的用法③Jack____yet,otherwisehewouldhavetelephonedme.(上海’97)A.mustn’thavearrivedB.shouldn’thavearrivedC.can’thavearrivedD.neednothavearrived④Iwasreallyanxiousaboutyou.You____homewithoutaword.(NMET2001)A.mustn’tleaveB.shouldn’thaveleftC.couldn’thaveleftD.needn’tleave⑤ItoldSallyhowtogethere,butperhapsI____forher.(NMET’94)A.hadtowriteitoutB.musthavewrittenitoutC.shouldhavewrittenitoutD.oughttowriteitout3.shall表命令、指示、意图、允诺;义务、规定的用法1)shall用于第二、三人称的陈述句,表警告、命令、意图、允诺、决心等,“必须/应/可”。2)shall在条约、规章、法令等文件中用于第三人称,表义务或规定,“应/必须”。e.g.①Ithasbeenannouncedthatcandidates____remainintheirseatsuntilallthepapershavebeencollected.(2002年上海卷)A.canB.willC.mayD.shall②“Theinterest________bedividedintofiveparts,accordingtotheagreementmadebybothsides,”declaredthejudge.(2004年重庆卷)A.mayB.shouldC.mustD.shall③---Excuseme,butIwanttouseyourcomputertotypeareport.---You______havemycomputerifyoudon'ttakecareofit.(2004年湖南卷)A.shan'tB.mightnotC.needn'tD.shouldn't4.must表主张或与说话人愿望相反及不耐烦的用法1)must表主张,“一定要/坚持要”2)must表与说话人愿望相反及不耐烦,“偏要”e.g.①---Whoisthegirlstandingoverthere?---Well,ifyou________know,hernameisMabel.(2004年天津卷)A.mayB.canC.mustD.shall②John,lookatthetime._____youplaythepianoatsuchalatehour?A.MustB.CanC.MayD.Need