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英语ing形式详解.docx

1、英语ing形式详解什么情况下句首的动词要用ing形式 什么情况下用原型动词的 -ing形式 作主语 动词的 -ing形式是动词的一种非谓语形式,由动词原形加 -ing构成,可以在句子中用作主语、表语、宾语、宾语补语、状语和定语。 n Seeing is believing.眼见为实。 n ing to Hangzhou by train takes about 16 hours.乘火车到要16个小时。 n Its nice talking with you.和你谈话很快乐。 n Its no use arguing with him. 跟他争论没用。 n There is no harm in

2、 doing so. 这样做没有害处。 作表语 动词 -ing可用来作表语。如: n This food smells inviting. n My favorite sport is swimming. n Their job is cleaning the window. 作宾语 1.动词-ing形式可以用作动词、短语动词和介词的宾语。 n I warned her against driving fast. n Jim dislikes eating chocolate. 2.有些动词和动词短语后接作宾语的非限定性动词时只能是-ing分词,常见的这类动词有:admit, acknowle

3、dge, advise, appreciate, avoid, delay, deny, dislike, enjoy, excuse, escape, fancy, finish, forgive, face, endure, involve, give up, imagine, mention, mind, miss, pardon, practise, require, resent, resist, suggest, recall, resist, understand等。 n The doctor advised taking more exercise. n I suggest d

4、oing it in a different way. 3.大局部“动词+介词短语动词,只能后接动词-ing作宾语。这些动词短语有:think of, give up, aim at, put off, insist on, persist in, be good at, do well in, cant help, keep on, leave off, feel like, be tired afraid, capable, fond of, set about等。 以下为to作介词的短语有:be used to, object to, devote oneself to, stick t

5、o, respond to, look forward to, see to, submit to, adapt to, apply to, accede to, get to, prefer to, adjust to, owe to, n Do you feel like having a drink? n I prefer swimming to playing basketball. 4.有些动词既可能带-ing分词作宾语,也可以带to不定式作宾语,但在语义上却有很 大的差异。如: chance to do 碰巧去做某事 chance doing 冒险试一试做某事 forget to

6、do 忘记要去做某事 forget doing 忘记曾做过某事 go on to do 接着又做另一件事 go on doing 继续做同一件事 remember to do 记得要去做某事 remember doing 记得曾做过某事 stop to do 停下来去做某事 stop doing 停顿做某事 try to do 努力做某事 try doing 试一试做某事 regret to do 对将要做的事表示遗憾 regret doing 对做过的事表示遗憾 mean to do 打算想做某事 mean doing 意味着意思是做某事 作宾语补语 l I found the parade

7、 quite interesting to watch. 这种用法通常用在以下几类动词中,后接宾语然后加上-ing分词,构成复合宾语构造,-ing分词充当宾补成分。 1.表示感觉和心理状态的动词,如:see, hear, feel, find, smell, watch, find, listen to, look at, notice, observe等。如: n There we found him watching TV. n I heard someone knocking at the door. 2.在有些动词如:regard, describe, accept, think of

8、, quote等之后,可由as引出-ing分 词词组作宾补。如: n They regarded the contract as being invalid. 他们认为合同无效。 n They described the child as being very clever. 他们描述这孩子非常聪明。 3.使役动词,如:set, keep, have, get, leave, catch等。如: n Can you get my watch going again?你能使我的表再走起来吗? n This sets me thinking. 这使我思考。 作状语 -ing分词作状语表示在进展一动

9、作的同时所进展的另一动作,它对谓语动词起修饰和陪衬的作用。分词作状语可以表示时间、原因、条件、让步、结果、方式或伴随情况。 Having cleaned the rooms, we began to weed the garden.时间 ing into the room, she saw everybody already at their work.时间 Being ill, he couldnt go to school.原因 Working diligently, you will certainly succeed.条件 Granting the achievements to be

10、 great, there is still something to be desired.让步 尽管成绩是巨大的,但仍有一些要求改良的东西。 My car was caught in a traffic jam, thus causing the delay.结果 Traveling by train, we visited a number of cities.方式 Mary sat by the window of the classroom, reading a book.伴随 作定语 l a smiling face 笑脸 l a leading figure 领导人物 -ing分

11、词还能构成合成词作定语,如: l easy-going man 好说话的人 当分词短语做后置定语时,可以转换成定语从句。 l She went on board the train leaving for Shanghai. l = She went on board the train, which was leaving for Shanghai. l There are two roads before us, one leading to the beach, the other to the park. l = There are two roads before us, one w

12、hich leads to the beach, the other to the park.动词原型 1 什么是动词原型 对于动词的概念,比拟容易理解:动词就是表示动作的词。但补充一点:英语中,有些动词表示的是一种存在的状态,不能用眼睛直接看到它的动作。例如:I have a bike. 我有一本书。He is a student.他是一个学生。例句中,“have/has有、“am/is/are是等都是动词,但我们看不出它的动作。 什么叫动词原型呢?简单地说:就是英语词典里面给出的词。我们知道,在英语中作为谓语的动词,要根据不同时间过去、现在、将来进展必要的变化。例如:go去有现在根本的形式

13、: went过去时 go现在时goes现在时第三人称单数 shall/will go将来时。 动词原型就是指没有进展任何变化的那个词,也就是说最原来的一个词。在上例中就是go. 我们再举一些例子: be是 was/were过去时 am/is/are现在时 shall/will be将来时 walk走 walked过去时 walk/walks现在时shall/will walk将来时 have有 had过去时 have/has现在时 shall/will have将来时 2、动词原型的用法 在英语句子中,很多时候都要用到动词原型。这里,我们以一般现在时为主,简单地介绍一下。 英语中,动词本身可以

14、直接表示出是什么时候时间发生的动作。一般现在时表示的是目前经常发生的动作。那它的谓语动词怎么变化的呢? 1如果是第三人称而且是单数的话,它的谓语动词要在词尾加s, es, ies。具体方法见有关文章。 例如: He gets up early every morning. get加了s,表示一般现在时。 After breakfast Mr. Li goes to work by bus. go加了es,表示一般现在时。 She studies English at school. study变成了studies,表示一般现在时。 2在一般现在时里,第三人称单数改成疑问句时要在句首加一个doe

15、s。这个does叫做助动词,表示疑问;而句中原先的已经加了s,es的词,那么不需要再进展变化了,要用原型动词即没有变化的动词。 例如: 肯定句:He gets up early every morning. get加了s,表示一般现在时。 疑问句:Does he get up early every morning. get去掉了s,即成了原型动词。 肯定句:She studies English at school. study变成了studies,表示一般现在时。 疑问句:Does she study English at school? study去掉了ies,即成了原型动词。 3同样,

16、在一般现在时里,第三人称单数改成否认句时要在谓语动词前加一个does not可以缩写为doesnt。这个doesnt叫做助动词,表示否认;而句中原先的已经加了s,es的动词词,那么不需要再进展变化了,而用原型动词即没有变化的动词。 例如: 肯定句:After breakfast Mr. Li goes to work by bus. go加了es,表示一般现在时。 疑问句:After breakfast Mr. Li doesnt go to work by bus. 加了doesnt, 而go去掉了es) 4如果是第一、二人称和复数的话,在表示一般现在时的时候,它的谓语动词不进展变化相当于原

17、型动词。例如: We have four classes in the morning. have没有变化,但仍然表示一般现在时。 The workers work very hard.work没有变化,但仍然表示一般现在时。 5如果不是第三人称的或者是复数名词,它的疑问句是在句首加助动词do,而否认句是在动词谓语前加dont表示否认。 例如: 肯定句:We have four classes in the morning. have没有变化,但仍然表示一般现在时。 疑问句:Do you have four classes in the morning?在句首加do,句中have仍然保存原型。

18、 肯定句:The workers work very hard.work没有变化,但仍然表示一般现在时。 否认句:The workers dont work very hard.句中加了dont,work仍然保存原型。 不定式 不定式做主语一般表示具体的某次动作。 【例如】 To plete the 30storied building in one year was quite a difficult task. To do that implies taking responsibility. 当主语较长,谓语较短时,常用it做形式主语,而将不定式放到 谓语的后面。 【例如】 It is

19、important for modern young people to master at least two foreign languages. It做形式主语,不定式放在谓语动词之后常用于以下构造中: a) It is形容词(easy, important, difficult, foolish, inconvenient, unnecessary, right, wrong.)( for/of sb.) 不定式 【例如】 It is essential to reserve a table in advance of Christmas Eve. hard to put my hop

20、essintoswords. It is not easy to catch fish with your hands only. It is important for us young people to learn English and master it. b) It is名词(a pleasure, a pity, a pleasant thing, ones du ty, an honor, a shame, a crime, no easy job.) 不定式 It is a sheer waste of time to read that kind of trash. It

21、is a pity to have to go without her. It is a glorious death to die for the people. c) It takes (sb.) some time (hours, months, days, a lot of time, patience.)不定式 It takes me three hours to learn English each day. It took them half the night to get home in the snow.2)不定式作表语不定式作表语常表示将来的动作,主语常常是表示 意向、打

22、算、方案的词,如wish, idea, task, purpose, duty, job等。 【例如】 The most important thing for ones health is to have plenty of exercise. My chief purpose has been to point out the difficulties of the matter. The purpose of the organization is to greet all new ers to the city and to provide them with any necessar

23、y information. What I wanted was to get the work done as quickly as possible. 3)不定式作宾语不定式常在以下动词后面作宾语: afford,agree,apply,arrange,ask,attempt,beg,begin,care, choose,claim,consent,demand,decide,desire,determine, expect,fail,hope,hesitate,hate,intend,learn,like,manage,mean, neglect,offer,plan,prepare p

24、retend,promise,refuse,resolve, seek,tend,threaten,want等。 【例如】 I like to go out for walks in the warm sunshine in spring. My mother hates to move from place to place, for she feels tired.I decide to work hard and get doctors degree. The room is designed to be my study,but now it has to be used as a b

25、edroom for the children. She failed to finish the assignment in time, and she was worried about it. There is a man at the reception desk who seems very angry and I think he means( )trouble. (CET-4 1997, 1) A) making B) to make C) to have made D)shavingsmade mean后面一般加不定式,所以A和D可以排除。根据句意, 他看起来非常生气,他想找麻

26、烦,不定式的动作还没有实施, 应用一般式, 因此答案为B。不定式作宾语还常用在下面 构造中;主语动词it形容词不定式。 【例如】 We found it impossible to get everything ready in time. I think it important to learn English well in college. 使用这种句型的常见动词有:believe, consider, declare, feel, find, guess, imagine, prove, realize, suppose, think,等。 1.不定式的时态的选用 1不定式的一般式表

27、示不定式的动作与谓语动词的动作同时或在谓语动词动作之后发生。 I saw him enter the room我看见他进入了那房间。 I was invited to the party to be held in the roof garden我被邀请参加在屋顶花园举行的晚会。 2不定式的完成式表示不定式的动作在谓语动词的动作之前发生。 Im sorry to have kept you waiting so long很抱歉让你等了那么长时间。 I heard you have finished your job听说你已经完成了你的工作。 3不定式的进展式表示不定式的动作在谓语动词的动作发生

28、时正在进展。 They seemed to be eating something他们好似正在吃东西。 I am very glad to be working with you很快乐和你一起工作。 2. 不定式的语态 不定式的语态与不定式表示的动作的被动与否以及它与逻辑主语的关系有关。 1通常而言,不定式的动作是主动的,那么不定式用主动语态,反之那么用被动语态。 2在实际运用中还要考虑不定式的逻辑主语。 不定式的逻辑主语是全句的主语:He hurried there to find the train had gone他赶到那里结果发现火车已经开走了。 主语补足语: Nobody will

29、be allowed to leave unti l7:00am直到七点才允许离开。 宾语:She dislikes to be told to do what she dislikes她不愿听人使唤。宾语补足语是全句的宾语:Father desires me to be a doctor父亲希望我当医生。 定语是其中心词:These are the letters for him to be typed today这些是他今天要打印出来的信笺。 句中某一名词或代词:He bought a book to read他买了一本书自己读。He bought me a book to read他给我

30、买了一本书读。 主语和表语由for引出:It is impossible for him to do the job alone他不可能单独干这活。 由of引出:It is very kind of you to see us你来看我们。 不在句中,可根据句义推测出来:My job is to teach students English我的工作是教学生英语。 分词 英语上的分词分为现在分词和过去分词。 现在分词和过去分词主要差异在于:现在分词表示主动和进展,过去分词表示被动和完成(不及物动词的过去分词不表示被动,只表示完成)。分词可以有自己的状语、宾语或逻辑主语等。 1、 分词作状语分词在句

31、子中作状语,可以表示时间、条件、原因、结果、让步、伴随等。 分词在句子中作状语,使用何种分词,要取决于分词与句子主语的关系:主谓关系用现在分词,动宾或被动关系用过去分词。 1现在分词The students went out of the classroom, laughing and talking. 2过去分词Acpanied by his friend, he went to the railway station. Given better attention, the plants could grow better. 2、while ( when, once, until, if , though等连词)分词构造现在分词或过去

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