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•表示动作与状态的词•主要考点1.动词分类2.时态动词种类实义动词系动词情态动词助动词jump,runbe,feelcan,must,may…do,does,did,be,have,has1.---whendidyouruncle___inshanghai---thedaybeforeyesterdayAarriveBgetCreach2.Asweknow,somepeoplearegoodat________butbadatgivebackAlendingBkeepingCborrowingDusing3.Thesmallchildwasnotoldenoughto_________himselfAhaveBwearCdressDputon5.MybrotherandIare_____TV.AwatchBlookCreadDsee6.IaskDannyto________memybook,buthebroughmehisbookAtakeBfetchCcarryDmatch7.-theradio___________thattherewillbeanotherheavyraininGuangdong._Toobad.IthasrainedforthewholeweekAtellsBtalksCsaysDspeaks8.Itisniceofyouto_________somuchtimeshowingmearoundyourschoolAspendBcostCpayDtake一、情态动词•can,could•must•haveto•should•will(would)•may二、特征•1.有一定词义，但不能单独作谓语，必须和行为动词或系动词连用，构成谓语。•2.无人称和数的变化（haveto例外：用于第三人称单数时用hasto）•Hehastostayhere.•3.后面接动词原形•Sheshouldstayathome.三、用法•1.can,could•(1)表示能力，“能，会”•Canyouplaybasketball?•(2)表示怀疑、猜测，常用于否定句和疑问句中•Hecan’tbeinclassroom.•（3）可以•CanIhelpyou?•(4)could是can的过去式，可以表示过去的能力•IcouldswimwhenIwassevenyearsold.•(5)can开头的一般疑问句以can和can’t回答could开头的一般疑问句以could和couldn’t回答•2.must•(1)“必须应该”•(2)表推测“一定”•(3)否定句中，mustn’t表示禁止，“不允许”•Must开头的疑问句，肯定回答用must，否定回答用needn’t（=don’thaveto）“不需要，不必”•3.haveto•“haveto+动词原形”：不得不做某事•注意：haveto用于第三人称单数时用hasto1．MayIstopmycarhere?No,you_____.A.can'tB.mustn'tC.needn'tD.don'thaveto2.Mustwecleanthehousenow?No,you_______.A.needn'tB.maynotC.mustn'tD.can't4.You________returnthebooknow.Youcankeepitnextweekifyoulike.A.can'tB.mustn'tC.needn'tD.maynot5.Johnny,you_______playwiththeknife,you_______hurtyourself.A.won't...can'tB.mustn't...mayC.shouldn't,mustD.can't...shouldn't6.-Wouldyougooutforawalkwithme?-No,I______.Mygirlfriendiscoming.A.wouldn'tB.shallnotC.won'tD.shouldn't7.______youbehappy!A.MayB.CanC.MustD.Would8.CouldIborrowyourdictionary?Yes,ofcourseyou______.A.mightB.willC.canD.should