小学英语动词ppt课件

.,1,WELCOMETOMYCLASS,.,2,动词,.,3,动词的构成,助动词情态动词系动词实义动词,.,4,助动词,PART1,.,5,助动词,助动词的几种形式do/dontdoes/doesntdid/didntwill/wonthave,havent/has,hasnt/hadhadntshallshould/shantshouldnt,.,6,助动词的用法,Doyougetupearlyeveryday?Ididnt（没）havelunchyesterday.Willyoubebacksoon?Hehasnt（没）finishedtheworkyet.,.,7,情态动词,PART2,.,8,情态动词,共同特点情态动词后面跟动词原型无论否定、疑问都用情态动词只有时态变化，无人称变化,.,9,情态动词,can/could1.在表示有能力作某事时，could是can的过去式。Icanswim.Icouldswimattheageoffive.2.在表示请求允许的时候两者和互换，could比can语气更委婉。CanIhelpyou?Couldyouopenthewindow?,.,10,情态动词,must/havetoMust表示主观意愿，否定句用Mustnt，否定回答用needntImustgonow.Youmustntplayinthestreet.MustIcleantheroomnow?No,youneednt.haveto表示客观条件的限制的“不得不”，它有时态和人称变化，需要助动词来否定和疑问。Idonthavetocarrythebigbox.Hehadtowashhisclothes.,.,11,情态动词,May表示请求别人允许。MayIuseyourbike?表示可能性。Hemaybeateacher.Hemayliveinthisbuilding.,.,12,系动词,PART3,.,13,系动词,be动词的几种形式amisarewaswerebeingbeen,.,14,be动词的几种形式,.,15,be动词的用法,与名词、数词、形容词、介词连用Iamadoctor.Heisten.Theyaretired.Thecatisunderthetable.Thereisapenonthedesk.,.,16,系动词,其他系动词变成类get，turn，become，make感观动词look，sound，smell，taste，feel似乎类seemappear保持类staykeep以上系动词只和形容词连用，构成系表结构Ifeelhungry.Thedaygetslongerandlonger.Helookedhappy.,.,17,实义动词,PART4,.,18,实义动词,实义动词指的是有具体行为意思的动词。实义动词在句中可以做谓语动词和非谓语动词。,.,19,实义动词,3.做谓语动词的用法四种形式：单三，现在分词，过去式，过去分词注意：掌握四种形式的变化规律Heworksintheoffice.Wearedancingtogether.Icaughtacoldlastweek.Shehaswateredtheflower.,.,20,实义动词,做非谓语动词的用法（指出现在谓语动词之后的动词，它受前面谓语动词的限制）非谓语动词会有三种形式：原型(do)动名词(doing)不定式(todo),.,21,实义动词,用原型：letsb.domakesb.dohelpsb.(to)dohadbetterdo,.,22,实义动词,用动名词：likedoingenjoydoingfinishdoing介词之后用动名词begoodatdoingwhataboutdoingthankyoufordoing,.,23,实义动词,用不定式：w