高中英语情态动词-推测用法

情态动词－－推测Key肯不肯妹不问妈妈不否问妈妈不否问：must表推测时只用于肯定句，不用于否定和疑问。妹不问：may表推测时不用于疑问句肯不肯：can,could表推测时常用否定，或疑问句中，不用于肯定句中，但could可以。情态动词表推测时强弱oughtto/should（想必会）must(一定会）can/could（可能）may/might（也许，或许）•Peter______comewithustonight,butheisn'tverysureyet.(MET93)•A.mustB.may.C.canD.will•______itbeasunnydaytomorrow?•A.CanB.MayC.ShallD.Should情态动词表推测的结构发生的时间谓语动词对现在的推测情态（推测）+do对过去的推测情态（推测）+havedone对现在正在进行的推测情态（推测）+bedoing对将来正在时行的推测情态（推测）+bedoing•Shecan'thavegonetowork.It'sSunday.•Sheistwohourslate.Whatcanhavehappened?•Ihavenotseenhimforquitealongtime.Hemusthavebeenverybusy.•Hemaynothavereadthebook.•Hemighthavearrivedhomebynow.Let'sringhimupagain.•Ourteachermustbecorrectingourexampapers.•Hecan'tbeworkingnow.•Shemaybeleavingtomorrow.•Wemaybeplayingtennisatninetomorrow.•(２００９四川乐山二次调研）---Thewinneroftheraceisatallandthinboywiththickglasses.•---Thenit___bemyfriend,Mike,wholookslikea“meatball.”•AmightBcan’tCmustn’tDshould••(2009辽宁)29.Thetrafficisheavythisday,I____arriveabitlate,socouldyousavemeaplace?•A.canB.mustC.need.D.might•Ididn'thearthephone,I________asleep.A.mustbeB.musthavebeenC.shouldbeD.shouldhavebeen•---Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.---It_______acomfortablejourney.(1995)A.can'tbeB.shouldn'tbeC.mustn'thavebeenD.couldn'thavebeen•Ifyoureallywantyourselftobeingoodhealth,youmust_______always________somuch.(1993，上海)A.not;besmokingB.not;havesmokedB.C.not;tosmokeD.benot;smoking•(2008河南示范三联)___Icanhearthewaterrunninginthebathroom.---Yes.Bira_____betakingashower.AshouldBneedCmustDcanshould/oughtto表推测，“想必会”•It'snearlyseveno'clock.Jack______behereatanymoment.(NMET95)A.mustB.needC.shouldD.can•---WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.----They______bereadyby1２：00.(NMET98)A.canB.shouldC.mightD.need•（2010北京海淀一模）Thesoccerteamhasbeendoingwellthisseason,sothey___winthechampionship.•AshouldBmightCwouldDcould高考中常用于表推测的情态动词有哪些？他们的常用法分别是什么？排序？方法口诀是什么？Should表推测时如何翻译？Summary有哪些结构，各表示什么样的时态？情态动词的回答带情态动词的一般句回答Must开头否定：needn’t/don’thavetoNeed开头肯定：mustMay开头否定：mustn’tShallI开头否定：needn’t(委婉）can’t（反对）mustn’t(禁止，不许）Can/could表征询对方意见时肯定：canExercises•①----Mustwedoitnow?•----No,you______•②----NeedIhandintheexercisesbeforenoon?•----Yes,you_______.•③----CouldIborrowyourdictionary?•----Yes,ofcourseyou____.(MET92)•④----ShallItellJohnaboutit?•----No,you_________.I’vetoldhimalready.(MET94)•⑤----MayIstophere?•----No,you________.