广州版7年级英语下册语法-U6情态动词广州初一英语专题学案：情态动词同步U6七年级下册一、精讲点拨must和1.情态动词can,may除外。情态动词有一定的词义，没ought情态动词和不带to的动词不定式一起构成谓语，但有人称和数的变化。它表示说话人的语气或情态，如请求、命令、愿望、能力以及可能性等。情态动词含义示例一般疑问句回答Wecanbuyacarto能；能够；会；可以saveourtimeontheYes,…can./road.No,…can't.Canheswim?Youcan(=may)go许可/homenow.cancomes,heIfhe用于条件句中can/couldhelpus./earlier,comeIcouldifnecessary.Shewillbeableto同义，常用与canbeabletobuythehousebytheYes,…is(are).以表示can所不能表示的将endofnextyear.No,…isn't/aren't.来或完成时的概念Excuseme,mayI允许、请求Yes,…may/can.haveaglassofNo,…can't/mustn't.water?Theseideasmay语气更might可能，或许；用may/mightseemstrangetoyou./加不肯定Hemightgetlost.Mayallyourdreams表祝愿cometrue.Allthestaffmust必须，应该arriveatthesquarebefore9.Wemustnotspitonmust不“，意为mustnot“不可以”theground.--Yes,youmust./No,许”；而neednot才是must-MustIreturntheyouneedn't.通常的否定回答booknextweek?Ex1:请选择最佳答案1.---“_____Iborrowyourdictionary?”---“Certainly,hereyouare.”A.MustB.MayC.NeedD.Shall2.You______worryabouthim.Hewilltakecareofhimself.A.can'tB.needn'tC.mustn'tD.couldn't3.We______talkorsleepintheclass,orMrs.Clarkwillbeveryangry.A.don'tB.haven'tC.needn'tD.mustn't4.---______youunderstandwhatImean?---Notreally.A.CanB.MayC.MustD.Should5.---Let'sgodancingtonight.---Sorry,I_______.Ihavetogotoameeting.A.maynotB.mustn'tC.can'tD.needn't6.---MustIparkmycarbehindthebuilding?---No,you______.Butyou______parkithere.C.don'thaveto,mayD.shouldn't,mustA.mustn't,mayB.maynot,must7.You___belateforschoolagainnexttime.A.mustn'tB.needn'tC.don'thavetoD.don'tneedto8.---MustIdomyhomeworkatonce?---No,you___.A.needn'tB.mustn'tC.can'tD.maynot2.★★★can,may,must表猜测用法区别情态动词表示“猜测”例句can不可表示可能性，常用于否定句表示“，能”会疑问句表示“…吗？”Canitbetrue?那会是真的吗？Itcannotbetrue.may可表猜测，通常只用于陈述句表示“能，也许”Youmayberight.你可能是对的。must肯“表猜测，暗含有很大的可能性表示”定，一定Hemustbeill.Helookssopale.他肯定是病了。他的脸色那么苍白。页7共页3第Ex.2请选择最佳答案1.---IsawJohnnyinthepublastnight.---It_______behim.HewenttoL.A.andhewon'tbebackuntilnextweek.A.needn'tB.mustn'tC.havetoD.can't2.---Whereismomnow?---I'mnotsure.She_____beinthekitchen.A.shallB.mayC.needD.mustnot3.---Whydidn'tTracycometoschooltoday?---She______besick.Shedidn'tfeelwellyesterday.A.mustB.mightC.mayD.can二、课后练习一）单项选择1.---CanyouspeakJapanese?---Sorry,I________.D.maynotA.needn'tB.mustn'tC.can't2.---______IvisitLucyonSunday,mum?---Yes,you______.A.must,canB.may,mayC.need,needD.may,need3.Thisbook_____Lucy's.Look!Hernameisonthebookcover.A.mustbeB.maybeC.can'tbeD.mustn'tbe4.---_____Ifinishtheworktoday?---No,youcandoittomorrow.A.MustB.MayC.CanD.Need5.Carsandbuses_____stopwhenthetrafficlightsarered.A.canB.needC.mustD.may6.----Whoelsewillcometothepartybesidesbobandjack?---John_____come,butheisn'tverysureyet.A.mayB.willC.mustD.need7.You'dbettergoandaskMr.Brown.He_____knowhowtousethecomputer.A.canB.mayC.wouldD.could8.---Canyoudriveacar?---No,I_____.页7共页4第A.mustn'tB.needn'tC.can'tD.couldn't9.---MayIgoswimmingnow?---No,I______.Youmustfinishyourhomeworkfirst.A.mustn'tB.maybeC.couldn'tD.needn't10.---MustIstayathomethewholeafternoon?---No,you_______.A.mustn'tB.can't...