语法专项:情态动词学习目标:1.掌握情态动词can,could,may,might,must,should,need的基本含义和用法。2.情态动词表预测。重难点:根据语境选择正确的情态动词。情态动词:本身有一定的词义,但不能单独作谓语,后接动词______,疑问句把____提前,否定句在______后加_________,没有人称的变化。一、情态动词的基本含义和用法can________过去式________may_______过去式_______should_________must___________mustn’t____________need____________needn’t________跟踪训练:()1.--CouldIuseyoureraserforawhile?--Yes,ofcourseyou_____.AcouldBcanCwillDshould.()2.___youwaitafewmoreminutes?It’llbeyourturnsoon.AMustBShouldCCouldDMight()3.--MayIgooutnow,Dad?--No.You____letyourmotherknowfirst.AcanBmayCneedDmust()4.--MrWang,canIfinishmyhomeworktomorrow?-Sorry,you_____.Acan’tBdon’tCneedn’tDwon’t()5.--Mum,mustIfinishmyhomeworknow?-No,you____.Youmayhavesupperfirst.Amustn’tBneedn’tCcan’t()6.InordertospeakEnglishbetter,we____beafraidofmakingmistakes.AshouldBshouldn’tChaveto()7.You_____worryaboutme.Ifeelmuchbetternow.(12,六盘水)Amustn’tBcan’tCneedn’tDwon’t()8.Schoolstudents____smokebecauseitisagainsttheschoolrules.Aneedn’tBcouldn’tCwon’tDmustn’t(12,锦阳)二、情态动词表推测一定_______可能__________/_________/__________不可能_______跟踪训练()1.-Look,Sueisoverthere.-That____beher.SheisinCanadanow.Amustn’tBcan’tCneedn’tDwon’t()2.-Whosepenisthis,Mary?-It____Edword’s,sir.ButI’mnotsure.AmustbeBcan’tbeCmaybeDmustn’tbe()3.-Myunclehasjustboughtabighousewithagardenandabigswimmingpool.-It____beveryexpensive.2\nAcanBmayCmustDshould()4.–Haveyoudecidedwhichseniorhighschooltochoose?--Notyet.I_____gotoMoonlightSchool.(12,南京)AmustBmayCneedDshould达标检测:(分基础题和提高题)()1.-Let’sgototheCenturyParkbytaxi.-It’snotfar.We____takeataxi.Aneedn’tBcan’tCmustn’tDcouldn’t()2.Wehopealltheteachers____joinusfortheEnglishpartytomorrow.AmustBcanCneedDshould()3.Thomas,pleasebequiet.Theothers____hearverywell.Acan’tBmustn’tCshouldn’tDneedn’t()4.-Dowehavetofinishourhomeworkthisafternoon?-Yes,you____.AmustBcanCmayDneed()5.Henry____beathomebecausehephonedmefromhisofficejustnow.Amustn’tBcan’tCmayDmaynot()6.You____behungryafterthelongwalk.Helpyourselftosomecakes.Acan’tBshouldn’tCneedDmust(12,广州)()7..--Ican’tstopplayingcomputergames.(12,遵义)--Foryoureyes,myboy.I’mafraidyou________.AcanBmayChaveto()8.–Mum,mustIwashthedishesrightnow?No,you_____.(12,北京)Ashouldn’tBwouldn’tCmustn’tDneedn’t()9.–Excuseme,whenarewegoingtohaveapicnic?--I’mnotsure.Askourmonitor,please.He_____know.AneedBcanCmayDshall()10.David,isthatmanyourheadmaster?(12,衡阳)--It______behim.He’shavingameeting.Amustn’tBcan’tCwon’tDmust提高题()1.Tom,you______playwiththeknife.You____hurtyourself.(12,咸宁)Awon’t,can’tBmustn’t,mayCshouldn’t,mustDcan’t,should选词填空1.__________(Can/Could)youswimwhenyouwerefiveyearsold.2.--MustIbehomebeforeeighto’clock?--Yes,you__________(can/must).3.--MayIsmokehere,please?--I’mafraidyou________(can’t/maynot).Thisisanon-smokingarea.4.Computers_________(can/must)solvedifficultproblemsveryquickly.5.--_______(Must/May)Ihandinthepapertoday?--No,youdon’thaveto2