动词(1)动词分类①实义动词(行为动词)②助动词③情态动词④系动词⑤静态动词⑥短语动词1.实义动词(行为动词)①用来表示动词②分及物动词与不及物动词(是否能直接加宾语)不及物动词高频:come explode laugh sit rise excel respond run cough swim emigrate smile act cry immigrate lie arrive continue go2.助动词(协助主要动词构成谓语的词)和情态动词(无词意)小三③Be动词a.构成进行时和被动语态b.Be动词作系动词,引表语/表语从句④Havea.构成完成时/完成进行时b.实义动词:have有意义等同eat/drink⑤Doa.构成疑问句/否定句/强调句b.实义动词:做3.情态动词 +动词原形(有词意)妾①can/could②may/might③must④should/shall/ought to⑤would/will4.静态动词①表思想Believe,doubt,know,understand②表拥有Have,own,want,contain③表感觉Hear,see,smell④表情感Love,hate,want,need5.动词短语构成:动词+介词或动词+副词(通常与原动词含义不同)(二)动词的形式1.动词原形2.第三人称单数①一般现在时中②主语为第三人称单数,谓语动词要用第三人称单数形式A.直接动词词尾加sB.以字母s,x,ch,sh或o结尾的动词加esC.辅音加y,变y为i加esD.不规则变化3.动名词与现在分词⑥直接词尾加ing⑦词尾去掉e,去掉e加ing⑧ie结尾的,变ie为y加ing⑨辅音+元音+辅音,双写词尾加ing4.动词过去式与过去分词A.规则动词的过去式加edB.以e结尾的动词词尾直接加dC.不规则变化5.动词时态5.1一般现在时形式:①肯定形式:第三人称单数用三单,其他用动词原形②否定形式:主语+do/does not+谓语动词原形③疑问形式:疑问词+do/does+主语+谓语动词原形用法:①现在时段发生的动作:I feel great!②习惯性动作/常发生的动作③表示客观真理④用于电影,赛事,时间的评论,独白,报道等⑤谈论时间表,日程表eg:The train leaves at half past four.⑥一般现在时表将来当主句为将来时或表将来意义时,时间和条件的状语从句必须用一般现在时表将来。
(主讲从现)5.2一般过去式形式:①肯定形式:主语+动词过去式②否定形式:主语+did not+谓语动词原形③疑问形式:疑问词+did+主语+动词原形用法:表过去发生的动作5.3一般将来时形式:①肯定形式:主语+will/be going to/be to/be about to+原形②否定形式:主语+will not(won’t)+谓语动词原形③疑问形式:疑问词+will+主语+动词原形用来:表还没发生,未来将要发生的行为,动作,事件5.4现在进行时形式:①肯定形式:主语+be+动词ing②否定形式:主语+be动+not+动词ing③疑问形式:疑问词+be动词+主语+动词ing用法:①说话的时刻正在发生的动作②常与always,constantly,continually,forever,repeatedly,never等词连用含有抱怨语气。
表总是。
③表将来,多用于已经安排好的事情。
I am leaving。
④be going to<1>计划,安排的动作<2>确定将会发生的事情注意:有些动词不能用于现在进行时a.情感类:love,hate,preferb.所属类:have,own,want,belongc.感官类:see,hear,smell,seemd.思想类:know,believe,remembere.测量类:contain,consist,fit5.5现在完成时形式:①肯定形式:主语+have/has+过去分词②否定形式:主语+haven’t(have not)/hasn’t(hasnot)+过去分词③疑问形式:疑问词+have/has+过去分词用法:①表过去完成的动作这个动作对现在造成影响或现在有关常与still,yet,already,always连用②讨论个人的经历③过去已经开始的动作一直延续到现在甚至有可能继续延续下去常与before,since,for,already,many times,so far,yet连用5.6过去完成时形式:①肯定形式:主语+had+过去分词②否定形式:主语+hadn’t(had not)+过去分词③疑问形式:疑问词+had+主语+过去分词用法:①表过去的某个动作之前发生的动作。
She said she had written three letters the day before.I didn’t say anything until she had finished talking.②与after,as soon as,the moment that,until③与before,when,by the time连用6.被动语态定义:①主语是动作的执行者(即某人做某事),叫主动语态。
②主语是动作的承受着(即某事被做)叫被动语态。
步骤:①将主动语态的宾语改为被动语态的主语②将主动语态的谓语动词改为‘be done’③将主动语态的主词改为介词by之后的宾语,放在谓语动词之后(有时可省略)非谓语动词不充当谓语的动词1.动名词形式:①动名词与现在分词同型(v-ing)②起到名词的作用作用:①作主语谓语动词为单数Eg:Reading helps you learn English.②作宾语有的动词直接加动名词作其宾语;有的加介词后动名词作其宾语Eg:<1>He quit smokin a year ago.<2>I look forward to helping you panit the house.③It+形容词+动名词Eg:It is no use telling him not to worry.此类形容词还包括:better、wonderful、enjoyable、interesting、foolish、difficult、useless、senseless、worthwhile④作表语:对主语进一步说明,相当于一个名词。
Eg:<1>My job is teaching.<2>Seeing is believing.⑤作定语:表示用途或性质Eg:<1>a swimming pool=a pool for swimming<2>a moving truck=a truck for moving.以下动词及句型后常跟动名词作宾语Be used to/get used toCan’t help/give upCan’t stand/go onEnd up/have difficultyFeel like/have problemsFinish/have trouble2.分词形式:①现在分词的形式同动名词一样,在动词后面加ing②过去分词的形式则在动词后面加ed(1)现在分词1)一般式:表示的动作与主语动作同时发生Eg:Tom came sauntering up the path.Reaching for the flower,I lost my balance. Not being able to win the game,I lost my confidence.2)完成式:表示该动作发生在谓语动词之前且已经完成Eg:Having heard the news,he quickly sold his brother’s record collection. Having rested for a while,we continued our journry.Not having finished his work,he could not leave the office.作用:①作定语:作前置/后置定语;相当于定语从句Eg:<1>The man carring the bricks(=who is carring the bricks)is my father.<2>There is someone knocking at the door.(someone who is knocking)②作表语:相当于一个形容词,表示主语的特征Eg:<1>The news is encouraging.<2>The present situation is terrifying.<3>My job is really tiring.I don’t get home until 10p.m. sometimes.③作状语:表谓语动词发生的时间、方式、伴随、让步等,相当于状语从句;逻辑主语就是句子的主语。
Eg:原因状语<1>He was talking to her friend and forgot everything around her.=Talking to her friend she forgot everything around her.<2>Since we watch the news every day we know what’s going on in the world.=Watching the news every day we know what’s going on in the world.伴随状语<3>The dog wagged its tail and bit the postman.=Wagging its tail the dog bit the postman.<4>The man was sitting in the café.He was reading a paper.=The man was sitting in the café reading a paper.时间状语<5>While she was tidying up her room she found some old photos.=Tidying up her room she found some old photos.条件状语<6>If they do not have enough money they will spend their holidays at home last year.=Not having enough money theywill spend their holidays at home next year.结果状语<7>Carbon burns in oxygen or air,thereby forms carbon dioxide=Carbon burns in oxygen or air,thereby forming carbon dioxide.(2)过去分词作用:1)作表语:表示谓语动词所处的状态。