小学英语动词ppt课件 24页

WELCOMETOMYCLASS\n动词\n动词的构成助动词情态动词系动词实义动词\n助动词PART1\n助动词助动词的几种形式do/don’tdoes/doesn’tdid/didn’twill/won’thave,haven’t/has,hasn’t/hadhadn’tshallshould/shan’tshouldn’t\n助动词的用法Doyougetupearlyeveryday?Ididn’t（没）havelunchyesterday.Willyoubebacksoon?Hehasn’t（没）finishedtheworkyet.\n情态动词PART2\n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\n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?\n情态动词must/havetoMust表示主观意愿，否定句用Mustn’t，否定回答用needn’tImustgonow.Youmustn’tplayinthestreet.MustIcleantheroomnow?No,youneedn’t.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。Idon’thavetocarrythebigbox.Hehadtowashhisclothes.\n情态动词May表示请求别人允许。MayIuseyourbike?表示可能性。Hemaybeateacher.Hemayliveinthisbuilding.\n系动词PART3\n系动词be动词的几种形式amisarewaswerebeingbeen\nbe动词的几种形式第一人称第二人称第三人称单数复数\nbe动词的用法与名词、数词、形容词、介词连用Iamadoctor.Heisten.Theyaretired.Thecatisunderthetable.Thereisapenonthedesk.\n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.\n实义动词PART4\n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。\n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.\n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)\n实义动词用原型：letsb.domakesb.dohelpsb.(to)dohadbetterdo\n实义动词用动名词：likedoingenjoydoingfinishdoing介词之后用动名词begoodatdoingwhataboutdoingthankyoufordoing\n实义动词用不定式：wanttododecidetodoplantodowouldliketodotellsb.(not)todoasksb.(not)todo\nThankyou