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非谓语动词
http://www.sina.com.cn 2004/12/15 14:52  新浪教育

  动词的非谓语形式有三种:不定式、动名词和分词。

  不定式

  不定式由“to+动词原形”构成,其否定形式是“not to do”。不定式可以带宾语或状语构成不定式短语。不定式没有人称和数的变化,有时态和语态的变化。不定式可以作主语、宾语、状语、表语和定语。不定式复合结构为“介词+sb.(sth.)+to do”,其中“介词+sb.(sth.)”表明不定式动作的发出者,为逻辑主语。

  1. 不定式的用法:

  (1)作主语。不定式短语作主语时,为了使句子结构平衡,常将不定式短语放在谓语之后,而用it作形式主语。

  It is our duty to give as much help as possible. 提供尽可能多的帮助是我们的职责。

  但不定式作表语时,前面有不定式作主语,不定式不可位于句末。

  To see is to believe. 眼见为实。

  (2)作宾语。常见的只跟不定式作宾语的动词(组)有want, wish, hope, expect, would like (love),care, choose, learn, plan, prepare, mean, agree, promise, offer, refuse, ask, beg, decide, make up one’s mind, be determined, manage, try, can’t afford, fail, pretend等。

  ①He promised to come today, but he hasn’t turned up yet .

  他许诺说今天来,但他到现在还没有出现。

  ②No one likes to be laughed at. 没人喜欢被嘲笑。

  有形容词、分词、名词作宾补,不定式作宾语时要将不定式放于句末,用it 来作形式宾语。如:

  You may find it necessary to finish the work ahead of time.

  你会发现有必要提前完成工作。

  (3)作宾语补足语。常见的跟不定式作宾补的动词有ask, order, advise, like, want, teach, force, forbid, beg, allow, expect, cause, invite, tell, know, call on, depend on, wait for等。

  The children asked their parents to take them to the park.。

  孩子们要求父母带他们去公园。

  感官动词后,如 see, watch, look at, observe, notice, hear, listen to, feel及部分表示“使”、“让”的使役动词,如have, make, let 跟不定式作宾补时要省略不定式符号to。但在被动语态中to 要加上。

  Though he had often made his sister cry, today he was made to cry by his sister.

  尽管他总是弄哭他妹妹,今天却被妹妹弄哭了。

  help后的不定式作宾补(包括作宾语)to 可有可无。

  (4)作表语。

  My job is to help the patient. 我的工作是帮助病人。

  要注意不定式作表语与“be to do”结构的不同:

  不定式作表语说明主语的性质或内容,而“be to do”结构表示安排要做的事情。

  ①My next plan is to draw a picture for the house.(不定式作表语)

  我下一个计划是为这座房子画一幅图。

  ②We are to meet at the school gate at six .(be to do表示安排)

  我们约好六点在学校门口见面。

  (5)作定语

  ①表示将来的动作。

  The meeting to be held next week will be of great importance.。

  下周将要举行的会议极为重要。

  ② 用在固定搭配中。

  I will go to Shanghai tomorrow. Have you anything to be sent to your son?

  我明天要去上海,你有什么东西要带给你儿子吗?

  (send的动作发出者并非you,因此不定式用被动语态)

  作定语的不定式如果与其前面所修饰的名词有逻辑上的动宾关系,然而动词又为不及物动词,动词后要加介词或副词,使其成为及物动词词组。

  Will you find me a pen to write with? 你能给我找一支写字的笔吗?

  不定式所修饰的词是time, place, way时,不定式后面的介词习惯上要省去。

  Do you think it is the best way to deal with such a problem?

  你认为这是解决问题的最好方式吗?

  (6) 状语。表示目的、原因、结果。

  ①They ran over to welcome the guests. 他们跑过去欢迎客人。(目的)

  ②The child is too young to go to school. 孩子太小不能去上学。(结果)

  ③We were excited to hear the news. 听到这个消息我们激动了。(原因)

  不定式的时态与语态

  不定式有一般式、进行式、完成式形式,既有主动语态又有被动语态两种语态。形成to do, to be done, to be doing,to have done, to have been done形式。

  (1)不定式的一般式所表示的动作通常与谓语的动作(状态)同时(或几乎同时) 发生,或是在它之后发生。

  I’m sorry to tell you that you are wrong this time.

  我很遗憾告诉你这次是你错了。

  (2)如果谓语表示的动作(情况)发生时,不定式表示的动作正在进行, 这时不定式就要用进行式。

  I am very glad to be talking with you. 我很高兴与你交谈。

  (3)如果不定式的动作发生在谓语动词之前,就要用完成式。

  I’m sorry to have kept you waiting for such a long time. 对不起,让你久等了。

  当不定式逻辑上的主语是这个不定式所表示的动作的承受者时, 不定式要用被动语态。

  He asked to be sent to work in the countryside. 他要求去农村工作。

  动名词

  动名词由“动词+ing”构成;具有动词和名词的性质,可以有宾语或状语; 可作主语、宾语、表语和定语。动名词有时态和语态的变化。

  1. 动名词的作用

  (1)作主语。

  动名词短语作主语时,为了使句子平衡,常将动名词短语放在谓语之后,而用it作形式主语。

  It is useless arguing with him about such a matter. 跟他争论这样的事情是没用的。

  动名词和不定式都可作主语,在许多情况下可以通用,但动名词作主语多表示一般或抽象或多次的行为,不定式作主语往往表示具体的或一次性的动作。

  在 It is no use/good, not any use/good, useless后人们习惯上用动名词。

  (2)作宾语

  下列动词(组)只能接动名词作宾语

  admit, advise, allow, appreciate, avoid, consider, delay, enjoy, escape, excuse, finish, imagine, mind, pardon, permit, practise, suggest, require, be (get) used to(习惯于...), cant’t help(禁不住), feel like, set about, stick to, keep on, look forward to, devote oneself to, insist on, pay attention to, be worth, give up, put off。

  下列动词后跟不定式或动名词意义区别不大:

  begin, start, love, continue, hate, prefer。

  下列动词后跟不定式或动名词意义不同,在平时学习中应特别注意。

  forget, remember, regret, try, stop, mean, go on, can't help。

  下列动词后跟动名词主动语态,不定式被动语态作宾语表示被动。

  need, want, require。如:

  These clothes need mending (to be mended).

  (3) 作表语

  动名词作表语多表示抽象性的或习惯性的动作,当表示下一步打算时多用不定式作表语。

  ①My job is teaching you English. 我的工作是教你英语。

  ②Her next step is to get as much money as she could to build the factory.

  她下一步是获取尽可能多的资金建造工厂。

  (4)作定语

  动名词作定语表示用途,而不是正在进行着的动作。

  He is now in the sleeping car. 他现在在房车里。

  2. 动名词的复合结构

  动名词的复合结构指在动名词前加物主代词或名词所有格。物主代词或名词所有格表明动名词动作的发出者。

  His coming late made the teacher angry. 他的迟到让老师生气。

  动名词的复合结构在句中作宾语时,物主代词或名词所有格可以变为人称代词的宾格或名词的普通格,但复合结构作主语时不变任何变化。

  He entered the room without anyone noticing him.

  他进入房间,没有人察觉到他。

  Li Ming’s smoking ( 不可用Li Ming smoking) in the classroom surprised us.

  李明在教室里吸烟让我们很吃惊。

  3. 动名词的时态与语态

  动名词的时态分为一般式和完成式两种形式。如果动名词的动作发生在谓语动词之前,则运用完成式;如果与谓语动词的动作同时发生或在其后发生,用一般式。

  I’m sorry for not having kept my promise.

  对不起,我没有遵守诺言。

  若动名词与其逻辑主语有被动关系,则运用被动语态形式。( 但有些动词后运用主动形式表达被动概念,除上述动词外,be worth后也跟动名词主动形式表达被动概念)。

  He entered the room without being noticed.

  他进入房间而没被察觉。

  分词

  分词分为现在分词和过去分词。

  1. 区别

  (1)现在分词表示主动,过去分词表示被动。

  ①The man standing by the window is our teacher.

  ②The house built last year has become our lab.

  (2)现在分词表示事物本身所具有的性质,意为“令人……的”; 过去分词表达由外界引起的内心活动,意为“感到……的”。

  the exciting news 激动人心的消息。(令人兴奋的消息)

  the excited look 激动的表情。

  (3) 现在分词表达正在进行着的动作,过去分词表达完成的动作。(这一类动词主要为不及物动词)

  ①Electricity lines as well as telephone poles were brought down by falling trees or branches.

  ②The army was called in to cut through fallen trees and... .

  2.分词的时态和语态

  过去分词表示被动或完成的动作,因而没有完成式和被动语态。

  现在分词有一般式和完成式两种形式, 有主动语态和被动语态两种语态,形成doing, having done, having been done的形式。

  3. 分词的用法

  (1)作定语

  单个分词作定语一般放在所修饰词的前面,短语作定语放在所修饰词的后面。

  ①The question being discussed is important to us.

  ②The excited people rushed into the building.

  (2)作状语

  分词或分词短语作状语时,可以表示时间、原因、行为方式、结果、伴随状况等。

  ①Having been shown around the lab, we were led into a big hall. (时间)

  ②Being a student, I must study hard.(原因)

  ③They worked day and night, finishing the work ahead of time.(结果)

  不定式也可以作结果状语,然而不定式多表达意料之外的结果,而现在分词表达意料之中的结果。

  ①She went to Shanghai specially to see her brother, only to find that he had gone to Beijing a few days before.

  她专程去上海看望她的兄弟,却发现他几天前去了北京。

  ②They got up very early that day, finding nobody in the station when they got there.

  那天他们很早就起床了,到了车站却发现那里空无一人。

  (3)作表语

  ①The news is inspiring. 这消息令人鼓舞。

  ②The window is broken. 窗户破了。

  (4)作宾补

  ①We had the fire burning all day. 我们让这火整天烧着。

  ②I’m afraid I can't make myself understood when I speak English.

  我担心当我说英语是别人听不懂。

  不定式被动语态、现在分词被动语态、过去分词表示被动应该注意的几个问题。

  1. 不定式的被动语态作状语时多表达目的,相当于in order to be done, 而过去分词则表示原因、条件、伴随等;现在分词被动语态的完成式强调分词的动作发生在谓语动词动作之前。

  ①In the circus, the tamed animals will be given some food when they finish tricks. To be given more food, the animals will try their best to please the trainer.

  在马戏团里,当驯兽完成它们的把戏,会得到一些食物。若要得到更多食物,它们就要尽其所能来取悦驯兽师。

  (To be given...=In order to be given...,表示目的,此处不可用Given 或 Being given)

  ②Having been asked some very difficult questions, the boy came into the office.

  男孩被问了一些很难的问题后,来到办公室里。

  (Having been asked...=After he was asked..., 表示ask 的动作发生在come 之前)

  2. 不定式的被动语态作定语表达将来的动作, 过去分词作定语表达过去或完成的动作,现在分词被动语态的一般式表达一种正在进行的动作。

  ①The meeting to be held next week is about how we can deal with this problem.

  下周要开的会是关于我们如何解决这个问题的。

  (to be held=which is to be held, be to 在此表达将来)

  ②The book published last month sells well. 上月出版的那本书卖得很好。

  ( published = which was published, published不可用to be published或being published代替)

  ③The building being built now will be finished in ten days. 正在建筑的那栋楼,10天内完工。

  (being built=which is being built, 表示正在进行的动作)

  3. 作宾补时,若非谓语动词与其前面的宾语有逻辑上的被动关系, 表示感官的动词,如 see, find, watch, notice, hear, feel 及部分使役动词,如:have, keep, get, let 等后跟过去分词作宾补;allow, advise,forbid, permit, want, order 等后跟不定式被动语态作宾补。

  ①The Emperor ordered the cloth to be woven for him right away.

  皇帝命令说立刻为他织那块布。

  ②When she got home, she found her windows broken.

  当她回到家时,发现窗户破了。

  直击高考

  1. A cook will be immediately fired if he is found in the kitchen. (NMET2003)

  A. smoke B. smoking C. to smoke D. smoked

  2. He looked around and caught a man _______ his hand into the pocket of a passenger. (2004春)

  A. putB. to be putting C. to putD. putting

  3. They’re not very good , but we like ____ . (2000上海)

  A. anyway to play basketball with them B. to play basketball with them anyway

  C. to play with them basketball anyway D. with them to play basketball anyway

  4. He sent me an e-mail, ____ to get further information. (2000上海)

  A. hoped B. hoping C. to hope D. hope

  5. ____ in 1636, Harvard is one of the most famous universities in the United States. (2000上海)

  A. Being founded B. It was founded C. Founded D. Founding

  6. The ____ boy was last seen ____ near the East Lake. (2000上海)

  A. missing…playing B. missing…play C. missed…played D. missed…to play

  7. Tony was very unhappy for _____to the party. (2000上海)

  A. having not been invited B. not having invited

  C. having not invited D. no having been invited

  8. ____ late in the morning, Bob turned off the alarm . (NMET2001春 )

  A. To sleep B. Sleeping C. Sleep D. Having slept

  答案与分析

  1. B本题考查动词find及非谓语动词作补足语的用法。find后可以接含有形容词、名词、-ing形式、过去分词或不定式to be的复合结构。find sb.doing sth.表示“发现某人正在做某事”。故最佳答案是B。

  2. D catch sb. doing为固定搭配,意思是“发现某人在做某事”。

  3. B此题考查不定式做宾语的情况。like to do sth.“喜欢做…”,因此B、C构成选择对象,play basketball不能分开用,故C错误。

  4. B此题考查动词的现在分词作伴随状语的情况,也就是说,sent和hope两个动词是同时发生的。

  5. C 此题考查分词作状语的用法。分词作状语,主要要注意它与主句的主语之间的关系:逻辑上主谓关系,状语用现在分词;逻辑上动宾关系,状语用过去分词。C项的founded

  既表示了Harvard的被动(被创建),又表示动作发生在过去(in l636)。

  6. A miss和boy之间在逻辑上是主谓关系,因此选用A、B两项,句子中出现了last这个副词,表示当时的一个情景,故用分词而不能用不定式,因此B项错误。

  7. D 此题在考查动名词作介词的宾语的用法。而且,动名词的否定词not应放前,故D为最佳。

  8. A 此题是不定式做目的状语,sleep late意为“睡懒觉”之意。

  专项训练

  1. New ideas sometimes have to wait for years before____.

  A. being fully accepted B. fully accepted C. fully accepting D. fully being accepting

  2. ____the past, our life is much better.

  A. Comparing with B. Be compared C. To compare with D. Compared with

  3. ____for several weeks, the city needed food.

  A. As having flooded B. Being flooded C. Having been flooded D. To flood

  4. I went to see him, ____ him out.

  A. finding B. find C. only to find D. to finding

  5. He was so foolish ____ his car unlocked.

  A. to leave B. that leave C. as to leave D. for him to leave

  6. —I would like to buy an expensive camera.

  —Well, we have several models____.

  A. to choose from B. to choose C. to be chosen D. for choice

  7. Why do you stand and watch the milk____ over?

  A. boiling B. boiled C. from boiling D. having been boiled

  8. ____,he went to ask his teacher.

  A. Not known how to do it B. Unknown what to do

  C. Knowing not how to do D. Not knowing how to do it

  9. —What can we do to help Li Hai?

  —All we can do is to try ____ that he ought to study more.

  A. making him to realize B. making him realize

  C. to make him realize D. to make him to realize

  10. I regret ____you that we are unable to offer you employment.

  A. informing B. having informed C. to inform D. to informing

  11. Henry always forgets things he has done. Yesterday he forgot ____and looked for it everywhere.

  A. to post the letter B. to have the letter posted

  C. to have posted the letter D. having posted the letter

  12. The shy girl doesn’t like ____at in public.

  A. laughing B. to laugh C. laughed D. being laughed

  13. —What’s made you so upset?

  —____three tickets to the pop music concert.

  A. Lost B. Losing C. Because of losing D. Since I lost

  14. ____of plastics, the machines are light in weight.

  A. To make B. Having made C. Being made D. Made

  15. Almost everyone fails____ the driving test on the first try.

  A. passing B. to have passed C. to pass D. in passing

  16. Excuse me, but it’s time to have your temperature____.

  A. taking B. to be taken C. take D. taken

  17. This book is worthy of ____twice .

  A. reading B. read C. having read D. being read

  18.____from space, the earth, with water ____seventy percent of its surface, looks like a “blue ball”.

  A. Seen; covered B. Seen; covering C. Seeing; covering D. Seeing; covering

  19. Why do you have the lights ____ all night long?

  A. burn B. to burn C. burning D. burned

  20.____in the heavy snow, he walked into an expensive shop.

  A. Having caught B. To be caught C. Having been caught D. Catching

  答案与分析

  1. A B有较大干扰性。before为介词,而并非连词,因此后面用动名词,ideas 与accept有逻辑上被动关系,因此本空用动名词被动语态。

  2. D 过去分词短语作条件状语,相当于If it is compared with..., compare 与our life间为逻辑被动关系。

  3. C the city与flood间为被动关系。flood的动作发生在need之前, 因此本空用现在分词被动语态的完成式,而不可以是过去分词。

  4. C A 有较大干扰性。现在分词和不定式都可以作结果状语, 现在分词表示有计划、有目的地达到某种结果,不定式表示出乎意料之外的结果。

  5. C 不定式作结果状语。so...as to 意思是“如此……以至于……”,B有较大干扰性,so...that引导结果状语从句,然而本句中 that 后无主语。

  6. A B, C有较大干扰性。根据上文buy an expensive camera, 可以得知服务员在此让“我”从several models中选一款。to choose from 在此意为to choose one from several models。本句中to choose from似乎没有逻辑主句, 然而本句相当于We have several models for you to choose from。

  7. A boiling表示“正在进行中的动作”。

  8. D he与know间为主动关系,因此此空用现在分词短语作原因状语, “因为不知道如何做,他去问老师”。

  9. B try后既可跟不定式,又可跟动名词作宾语。跟不定式表示“想、打算”,跟动名词表示“试着”,本句的意思是“我们所能做的是试着让他认识到他该学得更多。”因此try后用动名词,make后跟省略to 的不定式作宾补。

  10. C regret后跟不定式一般式表示对即将发生的事感到遗憾, 跟动名词或不定式完成式都表示对做过的事感到遗憾。

  11. D 从前句我们得知Henry老是忘掉做过的事情,因此第二句说“Henry 已经把 信寄上了,然而他把此事忘了”forget doing表示事情已经做了, 然而主语把它忘了。

  12. D The shy girl不喜欢被嘲笑,主语与laugh at间为逻辑被动关系。

  13. B C,D均有较大干扰性。 本句的意思Losing three tickets to the pop music concert made me so upset,动名词短语在此作主语。

  14. D 过去分词短语作原因状语,C 有一定干扰性,being made为现在分词被动语态的一般式,它表示正在进行的动作,因此不合题意。

  15. C fail to do 意思是“没有做到”,fail后不可接动名词。

  16. D have sth. done意思是“让别人做”。

  17. D be worthy 后可以用不定式的被动语态或of being done结构,而worth后用动名词的主动语态表达被动概念。

  18. B分词作状语时,是用现在分词还是过去分词,要看它与句子主语的关系。在此see与the earth 间为逻辑被动关系,因此用过去分词;water与cover 间为逻辑主动关系。

  19. C have sb.(sth.) doing用在肯定句中表示“让某人(某物) 处于做某事状态”。从句末的all night long 看A不合题意。

  20. C be caught in意思是“遇上(坏天气),处于(处境)”, catch 的动作发生在walk的动作之前,因此本句用现在分词被动语态的完成式。


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