初中语法系列动词和动词短语.ppt
be 动词,be动词的几种形式am is arewas werebeingbeen,be动词的用法,Be 动词在时态中的运用在现在进行时中 We are talking(交谈)now.在过去进行时中 We were talking(交谈)at this time yesterday.,助动词,助动词的几种形式 do/dont does/doesnt did/didnt will/wont have,havent/has,hasnt/had hadnt,助动词的用法,对句子进行否定和疑问Do you get up early every day?I didnt(没)have lunch yesterday.Will you be back soon?He hasnt(没)finished the work yet.在反意疑问句中He works in a school,doesnt he?She has never been there,has she?在倒装句中They helped the farmers,so did we.I wont visit the famous singer,neither will he.,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、倒装句、或反意疑问句都用情态动词只有时态变化,没有人称变化,情态动词,解释can/could在表示请求允许的时候两者和互换,could比can语气更委婉。Can I help you?Could you open the window?在表示有能力作某事时,could是can的过去式。I can swim.I could swim at the age of five.,情态动词,Must/have toMust 表示主观意愿,否定句用Mustnt,否定回答用needntI must go now.You mustnt play in the street.Must I clean the room now?No,you neednt.have to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。I dont have to carry the big box.He had to wash his clothes.,情态动词,解释May 表示请求别人允许。May I use your bike?表示可能性。He may be a teacher.He may live in this building.,系动词,我们所学过的系动词是变成类get,turn,become,make感观动词look,sound,smell,taste,feel似乎类 seem appear 保持类stay keep系动词只和形容词连用,构成系表结构I feel hungry.The day gets longer and longer.He looked happy.,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。做谓语动词的用法 动词会有四种形式:单三,现在分词,过去式,过去分词,实义动词,注意:掌握四种形式的变化规律He works in the office.We are dancing together.I caught a cold last week.She has watered the flower.,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)动词会有三种形式:原型(do)动名词(doing)不定式(to do),实义动词,用原型:let sb.domake sb.dohelp sb.(to)dohad better do,实义动词,用动名词:like doingenjoy doingfinish doing介词之后用动名词 be good at doingwhat about doingthank you for doing,实义动词,用不定式:want to dodecide to doplan to dowould like to dolearn to dotell sb.(not)to doask sb.(not)to do,实义动词,注意下列词不同形式的不同用法:remember doing/to do forget doing/to do stop doing/to do go on doing/to do,过去分词介词(这类短语常同连系动词连用),动词副词介词,动词介词名词,3.Emergency line operators must always _ calm and make sure that they get all the information they need to send help.A.grow B.appear C.become D.stay 4.In this seaside resort,you can _ all the comfort and convenience of modern tourism.A.enjoy B.apply C.receive D.achieve,12.These teenagers dont know much of the world yet;thats why they are so easily _.A.taken in B.taken on C.taken up D.taken off,