不定式和动名词作主语的区别精解

1、不定式和动名词作主语的区别: 2008-06-19 11:06不定式和动名词作主语的区别:(1 动名词作主语通常表示抽象动作;而不定式作主语表示具体动 作。Smoking is prohibited(禁止 here .这里禁止抽烟。 (抽象 It is not very good for you to smoke so much.你抽这么多烟对 你身体很不好。 (具体 (2 动名词作主语时, 通常用以表示一件已知的事或经验。 不定式短 语通常用来表示一件未完成的事或目的。Climbing mountains is interesting.爬山很有趣。 (经验 Driving a car dur

2、ing the rush hour is tiring.在高峰时刻开车 令人厌烦。 (经验 To finish the task will take a long time. 要完成这项任务将要 花费很长时间。(具体(3 不定式做主语,一般用 it 当形式主语,把作主语的不定式短语 后置。It took me only five minutes to finish the job.不定式、动名词和分词作表语的区别:(1 不定式作表语1 不定式作表语一般表示具体动作,特别是表示将来的动作。To do two things at a time is to do neither.一次做两件事等 于未

3、做。2如果主语是不定式,表语也必须是不定式。To see is to believe.百闻不如一见。To work means to earn a living.工作就是为了生活。3 如果主语是以 aim , duty , hope , idea , happiness , job , plan , problem , purpose , thing , wish 等为中心的名词,或以 what 引导的名词性从句,不定式作表语是对主 语起补充说明作用。His wish is to buy a luxurious car in the near future. 他的 希望是在不远的将来买一辆豪华

4、轿车。What I would suggest is to start work at once. 我的建议是立 刻开始干。The most important thing is to negotiate with them about the future of the plant.(2 动名词作表语:动名词作表语,表示抽象的一般性的行为。 Our work is serving the people.我们的工作是为人民服务。 His hobby is collecting stamps.他的爱好是集邮。(3 分词作表语分词做表语有两种情况, 一种是现在分词做表语, 一种是过去分词做 表语,

5、这两者区别是考试中经常考到的地方。一般来说,表示心理状态的动词如 excite ,interest 等都是及物动词,汉语意思不是“激动”,“高兴”,而是“使激动”、“使高兴”,因而现在分 词应该是“令人激动的”、“令人高兴的”,过去分词则是“感到激动的”和“感到高兴的”。所以,凡表 示“令人的”都是 -ing 形式,凡是表示“感到”都用 -ed 形式。例:The cartoon is interesting to children. 这部卡通片对孩子来说 令人兴趣。Children are interested in the cartoon. 孩子们对这部卡通片感 兴趣。这类动词常见的有:de

6、lighting 令人高兴的 - delighted 感到高兴的disappointing 令人失望的 disappointed 感到失望的encouraging 令人鼓舞的 - encouraged 感到鼓舞的exciting 令人激动的 - excited 感到激动的interesting 令人感到高兴 - interested 感到高兴的pleasing 令人愉快的 - pleased 感到愉快的puzzling 令人费解的 - puzzled 感到费解的satisfying 令人满意的 - satisfied 感到满意的surprising 令人惊异的 - surprised 感到惊异

7、的worrying 令人担心的 - worried 感到担心的Travelling is interesting but tiring.旅行是有趣的,但是使人疲劳。The pupils will get confused if they are made to learn too much .如果要学生学得太多,他们会感到糊涂的。The argument is very convincing.他的论点很令人信服。They were very excited at the news.听到这个消息,他们非常激 动。不定式和动名词作宾语的区别:英语中大多数动词既可跟不定式, 也可跟动名词作直接宾语,

8、 但有些 动词要求:(1 不定式做宾语和宾语补足语1 下面的动词要求不定式做宾语afford 负担得起 agree同意 appear似乎,显得 arrange安排 ask 问 attempt企图 beg请求 begin开始choose 选择 claim要求 decide决定 demand要求desire 愿望 determine决定 expect期望 fail不能forget 忘记 happen碰巧 hate憎恨,厌恶 hesitate犹豫hope 希望 intend想要 learn学习 long渴望love 爱 manage设法 mean意欲,打算 need需要neglect 忽视 offe

9、r提供 omit忽略,漏 other扰乱;烦恼plan 计划 prefer喜欢,宁愿 prepare准备 pretend假装promise 承诺, 允许 refuse拒绝 regret抱歉,遗憾 seek找,寻觅start 开始 try试图 volunteer志愿 want想要wish 希望例如:He managed to pass the maths exam this time. 这次他设 法通过了数学考试。2 下面的动词可用不定式做宾补:动词 +宾语 +动词不定式 : advise 劝告 allow允许 ask要求,邀请 beg请求cause 引起 command命令 direct指导

10、drive驱赶enable 使能够 encourage鼓励 entitle有资格 forbid禁止force 强迫 get请,得到 hate憎恶 help帮助inspire 鼓舞 instruct指示 intend想要, 企图 invite吸引, 邀请 lead 引起,使得 leave使,让 like喜欢 mean意欲,打算need 需要 oblige不得不 order命令 permit允许prefer 喜欢,宁愿 prompt促使 pronounce断定 recommend劝告, 推荐remind 提醒 request请求 require要求 teach教tell 告诉 tempt劝诱 tr

11、ain训练 urge激励,力说want 想要 warn告诫 wish希望例如:Teachers often encourage us to learn English well. 老 师经常鼓励我们要学好英语。(2 有些动词只能用动名词作宾语admit 承认 appreciate 欣赏 avoid避免 bear忍受cant help不禁 cant stand受不了 confess坦白 consider 考虑delay 延迟 deny否认 dislike不喜欢,讨厌 endure忍受enjoy 享有,喜爱 escape逃跑,逃避 excuse借口 favor 造成,偏 爱finish 完成,结束

12、不得 forgive原谅 hate讨厌 imagine设想 involve 卷入,包含 keep保持 mention说到,讲到 mind 介意 miss 错过 permit 允许 postpone延迟, 延期 practise 实行, 实践 prevent 阻止 resist抵抗,阻止 risk冒险 suggest建议tolerate 忍受例如:They decided to delay holding the sports meeting because of the hard rain.由于大雨他们决定推迟召开运动会。(3有些动词比如 allow, advise, permit, enco

13、urage等后面直接 跟动词只能是动名词,如果后面跟宾补则只能是不定式。例如: Our school allows using calculators in the maths exam. 我们 学校允许在数学考试中使用计算器。Our school allows students to use calculators in the maths exam. 我们学校允许学生在数学考试中使用计算器。(4 有些动词后使用动名词和动词不定式作宾语的差别1 forget to do 忘记要去做某事(此事未做forget doing忘记做过某事(此事已做过或已发生2 stop to do 停止、中断(某件

14、事,目的是去做另一件事 stop doing 停止正在或经常做的事3 remember to do 记住去做某事(未做remember doing记得做过某事 (已做 4 regret to do对要做的事遗憾regret doing对做过的事遗憾、后悔5 try to do努力、企图做某事try doing试验、试一试某种办法6 mean to do打算,有意要mean doing意味着7 go on to do 继而(去做另外一件事情go on doing 继续(原先没有做完的事情8 propose to do 打算(要做某事proposing doing建议(做某事9 like /lov

15、e/hate/ prefer +to do 表示具体行为; +doing sth 表 示抽象、倾向概念(注如果这些动词前有 should 一词,其后宾语只跟不定式,不能 跟动名词。例如:I should like to see him tomorrow.10 need, want, require, deserve +动名词表被动意义; +不定式 被动态表示“要 (修、清理等”意思。 例:The room needs cleaning / to be cleaned. 这房间需要打扫一下。 Dont you remember seeing the man before? 你不记得以前见过 那个

16、人吗 ?You must remember to leave tomorrow.你可要记着是明天动身。 I dont regret telling her what I thought.我不后悔给她讲过 我的想法。 (已讲过 I regret to have to do this, but I have no choice.我很遗憾 必须这样去做,我实在没办法。 (未做但要做 You must try to be more careful.你可要多加小心。Lets try doing the work some other way.让我们试一试用另外 一种办法来做这工作。I didnt mea

17、n to hurt your feeling.我没想要伤害你的感情。 This illness will mean(yourgoing to hospital .得了这种病 (你 就要进医院。不定式和分词作状语的区别 :(1 现在分词与过去分词作状语的区别。现在分词做状语与过去分词做状语的最主要区别在于两者与所修饰 的主语的主动与被动关系的区别。1现在分词作状语时,现在分词的动作就是句子主语的动作,它们 之间的关系是主动关系。He went out shutting the door behind him. 他出去后将门随手关 上。Not knowing what to do, he went

18、 to his parents for help. 由 于不知如何办是好,他去找父母帮忙。2 过去分词作状语时, 过去分词表示的动作是句子主语承受的动作, 它们之间的关系是被动关系。Given more attention, the trees could have grown better. 如 果对这些树多关心一些,它们本来会长得更好。Faced with difficulties, we must try to overcome them. 在遭 遇到困难的时候,我们必须设法克服它们。(2 动词不定式和分词作状语放在句末的区别1 分词作状语一般表示伴随,而不定式常常表示目的。They s

19、tood by the roadside talking about the plan.他们站在 路边谈论着这个计划。 (伴随 They stood by the roadside to talk about the plan.他们站在 路边为的是谈论这个计划。 (目的 2 分词作状语放在句子开头, 除表示原因之外有时表示时间或条件。 动词不定式作状语时,除了表示目的以外,还表示结果或原因。Reading attentively, he forgot the time for lunch.由于在专 心读书,他忘了吃午饭的时间。 (原因 Reading carefully , he found

20、something he had not known before . 他 仔细读书时,发现了一些从前不知道的东西。 (时间 Reading carefully, you'll learn something new.只要你仔细阅 读,你会学到一些新的东西。 (条件 His family was too poor to support him.他的家庭太穷,不能维 持他的生活。 (结果 The boy is not tall enough to reach the book shelf.这男孩个 子不够高,手伸不到书架。 (结果 We are glad to hear the news

21、.我们很高兴听到这消息。 (原因 (3下面一些句型是不定式做状语时候应该注意的:A :not/never tooto, toonot to , but/only too to, too ready/eager/glad/anxious to 表示肯定意义。 例:You will never be too careful in the exam. 考试时你越仔细越 好。He is too careful not to notice something abnormal. 他很仔细会注意到异常情况的。B :做结果状语的不定式只能出现在句子的末尾,常见的不定式动词 有:find, hear, see

22、, be told,form, give, make, produce, say等。 例如:I was too angry at that to say about it. 我对此气得话也说不 出来。He hurried to the bank only to find/be told that it was closed. 他匆匆忙忙赶到银行却发现关门了。C :不定式做状语时,其逻辑主语一般为句子的主语,否则用 for 引 导主语。 例:Li Mings mother went to the lecture hall early for him to get a good seat. 李明的

23、母亲一早就去演讲厅了,为了让他可以得到一 个好座位。动词不定式:(to +do,具有名词、形容词、副词的特征。1、不定式的形式:主 动 被 动一般式 To write to be written进行式 to be writing /完成式 to have written to have been written否定式:not + (to do1一般式:不定式的一般式所表示的动作与谓语动词动作同时发生 或发生在谓语动词动作之后,例如:Im glad to meet you.He seems to know a lot.We plan to pay a visit.He wants to be a

24、n artist.The patient asked to be operated on at once.The teacher ordered the work to be done.2 进行式:不定式的进行式所表示的动作与谓语动词动作同时发生, 例如:The boy pretended to be working hard.He seems to be reading in his room.3完成式:不定式的完成式表示的动作发生在谓语动词动作之前, 例如:I regretted to have told a lie.I happened to have seen the film.He

25、is pleased to have met his friend.2、不定式的句法功能:1作主语:To finish the work in ten minutes is very hard.To lose your heart means failure.动词不定式短语作主语时,常用形式主语 it 作形式主语,例如上面 两句可用如下形式:It is very hard to finish the work in ten minutes.It means failure to lose your heart.2作表语:Her job is to clean the hall.He appea

26、rs to have caught a cold.3作宾语:常与不定式做宾语连用的动词有:want, hope, wish, offer, fail, plan, learn, pretend, refuse, manage, help, agree, promise, prefer, 如果不定式(宾语后面有宾语补足语,则用 it 作形式宾 语,真正的宾语(不定式后置,放在宾语补足语后面,例如: Marx found it important to study the situation in Russia. 动词不定式也可充当介词宾语,如:I have no choice but to st

27、ay here.He did nothing last Sunday but repair his bike.动词不定式前有时可与疑问词连用,如:He gave us some advice on how to learn English.4作宾语补足语:在复合宾语中, 动词不定式可充当宾语补足语, 如下动词常跟这种复 合宾语 : want, wish, ask, tell, order, beg, permit, help, advise, persuade, allow, prepare, cause, force, call on, wait for, invite.此外,介词有时也与这

28、种复合宾语连用,如:With a lot of work to do, he didnt go to the cinema. 有些动词如 make, let, see, watch, hear, feel, have等与不带有 to 的不定式连用,但改为被动语态时,不定式要加 to, 如:I saw him cross the road.He was seen to cross the road.5作定语:动词不定式作定语, 放在所修饰的名词或代词后。 与所修饰名词有如 下关系:A 动宾关系:I have a meeting to attend.注意:不定式为不及物动词时,所修饰的名词如果是地

29、点、工具等, 应有必要的介词,如:He found a good house to live in.The child has nothing to worry about.What did you open it with?如果不定式修饰 time, place, way,可以省略介词:He has no place to live.This is the best way to work out this problem.如果不定式所修饰名词是不定式动作承受者, 不定式可用主动式也可 用被动式:Have you got anything to send?Have you got anyth

30、ing to be sent?B 说明所修饰名词的内容:We have made a plan to finish the work.C 被修饰名词是不定式逻辑主语:He is the first to get here.6作状语:A 表目的:He worked day and night to get the money.She sold her hair to buy the watch chain.注意不定式放句首时,逻辑主语与句子主语要一致:wrong : To save money, every means has been tried.right: To save money, h

31、e has tried every means.wrong : To learn English well, a dictionary is needed. right: To learn English well, he needs a dictionary. B 表结果:He arrived late to find the train gone.常用 only 放在不定式前表示强调:I visited him only to find him out.C）表原因： They were very sad to hear the news. D）表程度： Its too dark for u

32、s to see anything. The question is simple for him to answer. 7）作独立成分： To tell you the truth, I dont like the way he talked. 8）不定式的省略：保留 to 省略 do 动词。 If you dont want to do it, you dont need to. 9）不定式的并列：第二个不定式可省略 to。 He wished to study medicine and become a doctor. （二）动名词：动名词既具有动词的一些特征，又具有名词的句法功 能。

33、1、动名词的形式： 语 态 主动语态 被动语态 一般式 doing being done 完成式 having done having been done 否定式：not + 动名词 1）一般式： Seeing is believing. 眼见为实。 2）被动式： 16 He came to the party without being invited. 他未被邀请就来到 了晚会。 3）完成式： We remembered having seen the film. 我们记得看过这部电影。 4）完成被动式： He forgot having been taken to Guangzhou when he was five years old. 他忘记五岁时曾被带到广州去过。 5）否定式：not + 动名词 I regret not following his advice. 我后悔没听他的劝告。 6）复合结构：物主代词（或名词所有格）+ 动名词 He suggested our trying it once again. 他建议我们再试一次。 His not knowing English troubled him a lot. 他不懂英语给他带 来许多麻烦。 2、动名词的句法功能： 1）作主语： Reading aloud is very helpf