超详细非谓语动词讲解.docx

1、超详细非谓语动词讲解 TYYGROUP system office room 【TYYUA16H-TYY-TYYYUA8Q8-TYYUA162】超详细非谓语动词讲解非谓语动词 (the Non-Finite Verbs)定义 在句子中不是谓语的动词，形式：不定式、动名词和分词（现在分词和过去分词）作用： 在句子中充当主语、宾语、状语等。特点：1.非谓语动词可以有名词作用（如动词不定式和动名词），在句中做主语、宾语、表语。 2.非谓语动词可以有形容词作用（如动词不定式和分词），在句中做定语、表语或宾语补足语。 3.非谓语动词可以有副词作用（如动词不定式和分词），在句中作状语。 4.谓语动词在句中

2、作谓语，受主语的人称和数的限制；非谓语动词在句中不能单独作谓语，它不受主语的人称和数的限制。 5.英语中不能单独做句子的谓语。 与谓语动词的关系相同点 （1）如果是及物动词都可与宾语连用，例如： They built a garden. They suggested building a garden. （2）都可以被状语修饰： The suit fits him very well. The suit used to fit him very well. （3）都有主动与被动, “体”式（一般式；进行式；完成式）的变化。例如： He was punished by his parents.（

3、谓语动词被动语态） He avoided being punished by his parents.（动名词的被动式） We have written the composition.（谓语动词的完成时） Having written the composition, we handed it in.（现在分词的完成式） （4）都可以有逻辑主语 They started the work at once.（谓语动词的逻辑主语） The boss ordered them to start the work.（动词不定式的逻辑主语） We are League members.（谓语动词的主语

4、） We being League member, the work was well done. （现在分词的逻辑主语） 不定式一、形式功能 ：动词不定式：（to）+do，具有名词、形容词、副词的特征。 否定式：not + (to) do 以do为例，动词不定式的构成如下： （1）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 nice to meet you. 很高兴见到你。 He seems to know a lot. 他看起来懂得很多。 We plan to pay a visit. 我们计划花钱去参观。 He wants to be

5、 an artist. 他想成为一个艺术家。 The patient asked to be operated on at once. 病人要求马上手术。 The teacher ordered the work to be done. 老师要求完成工作。 （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. 男孩假装工作得很努力。 He seems to be reading in his room. 看起来他正在他的房间里面读书。 （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：

6、 I regretted having told a lie. 我后悔我说谎了。 I happened to have seen the film. 我偶然看过这部电影。 He is pleased to have met his friend. 他很高兴能遇上他的朋友。 二、不定式的句法功能：（1）作主语： To finish the work in ten minutes is very hard. 十分钟之内完成这项工作是很难的。 To lose your heart means failure. 灰心意味着失败。 动词不定式短语作主语时，常用it作形式主语，真正的主语不定式置于句后，例

7、如上面两句可用如下形式： It is very hard to finish the work in ten minutes. 十分钟之内完成这项工作是很难的。 It means failure to lose your heart. 灰心意味着失败。 常用句式有：（1）作主语：1、It+be+名词+to do。2、It takes sb.+some time+to do。3、It+be+形容词+of sb +to do。与careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise,wrong , car

8、eful , polite , 等表示赞扬或批评的形容词连用，不定式前的sb.可作其逻辑主语。 与for连用的通常是一些表示可能性、难易程度、必要性等含义的形容词： possible，impossible，easy，hard，difficult，necessary Its necessary for you to study hard .（necessary 修饰 to study hard，表示学习努力是有必要的） Its foolish of him to do it .（foolish 修饰逻辑主语him） （2）作表语： 放be动词后，构成表语Her job is to clean t

9、he hall. 她的工作是打扫大厅。 He appears to have caught a cold. 他似乎感冒了。 注意： （3）作宾语： 动词+不定式。如：He managed to escape from the fire.I find it hard to get along with him.（it 作形式宾语）下列动词通常用不定式作宾语：want, hope, wish, offer, fail, plan, learn, pretend, refuse, manage, help, promise, prefer, like , begin , try , need , f

10、orget , agree , know , teach , help , arrange , dare , decide , determine , prepare , continue , ask , mean , choose , expect ，choose, get等动词+疑问词+to , “特殊疑问句+不定式”相当于名词，作宾语。如：I dont know what to do next/ how to do it next.I cant decide when to go there.注意：不定式短语作宾语时，如果还带有宾语补足语，往往把不定式短语放在宾语补足语之后，用it 作形

11、式宾语。如：I find it necessary to learn a foreign language. We think it important to obey the laws . 不定式动词可充当介词宾语，如：I have no choice but to stay here. 我只能留在这里，别无选择。 He did nothing last Sunday but repair his bike. 他上周日除了修他的自行车什么也没干。 Marx found it important to study the situation in Russia. 马克思发现研究俄国的情况是很重

12、要的。（4）作宾语补足语：动词+宾语+不定式（to do ）He warned me to be careful.I want you to speak to Tom.What makes you think so（不带to的不定式）注：可以用动词不定式做宾补的动词有：ask, tell, order ,want ,get, would like, like, advise, invite, allow, help, wish,warn, expect, prefer, encourage，beg, permit, persuade,prepare, cause, force, call on

13、, wait for, invite. 此外，介词有时也与这种复合宾语连用，如：With a lot of work to do, he didnt go to the cinema 他有很多工作要做，所以没去电影院。 表见解、看法的动词结构可为：动词+宾语+ to be 的不定式结构：We consider Tom to be one of the best students in our class.The book is believed to be useful.（被动语态） There +不定式We didnt expect there to be so many people th

14、ere.我们没料到会有那么多人在那里。注意：（1）有些动词需用 as 短语作补语，像regard, think, believe, take, consider。如：We regard Tom as our best teacher. 我们认为汤姆是我们最好的老师。Mary took him as her father. 玛丽把他当作自己的父亲。（2）在动词feel （一感），hear, listen to（二听），have, let, make（三让），notice, see, watch, observe, look at（五看）(即：吾看三室两厅一感觉)等后面的补足语中，不定式不带to，

15、但变为被动语态后，必须带to。如：They saw the boy fall off the tree. The boy was seen to fall off the tree.(3)help后面作宾语补足语的不定式可以带to,也可以不带to.I often help him （to）clean the room. （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： 1）He is looking for a room to live in.（动状关系）He has got a chance to go abroad.（同位关系）3）主谓关系：She is

16、always the last ( person) to speak at the meeting . -Im going to the post office , for I have a letter to post . ( 逻辑主语是I ) -Thank you. But I have no letters to be posted now ( 逻辑主语不是I ) 4）动宾关系： I have a meeting to attend. 我有一个会议要出席。 注意：如果作定语的不定式是一个短语，则要保留不定式短语中的副词或介词。如：I need a pen to write with .

17、(I will wirte with the pen ) (我需要一直钢笔写字)I have a little baby to look after .(I must look after the little baby ) (我有一个婴儿要照看)He is looking for a room to live He is looking for a room to live in . What did you open it with 你用什么打开它 如果不定式修饰time, place, way，可以省略介词： He has no place to live. 他无处安身。 This is

18、 the best way to work out this problem. 这是解决这个问题的最好办法。He has no money and no place to live ( in ) . I think the best way to travel ( by ) is on foot . There is no time to think ( about ) . 注意：不定式的逻辑主语是句子的主语时，不定式用主动形式表被动、也可用被动式： Have you got anything to send 你要送什么东西吗 Have you got anything to be sent

19、你有什么东西需要送吗 说明所修饰名词的内容： We have made a plan to finish the work. 我们制定了一个完成工作的计划。 被修饰名词是不定式逻辑主语： He is the first to get here. 他第一个来到这儿。 （6）作状语： 表目的： He worked day and night to get the money. 他夜以继日地工作来赚钱。 She sold her hair to buy the watch chain. 她卖掉了自己的头发来买那条表链。 注意不定式放句首时，逻辑主语与句子主语要一致： wrong：To save mo

20、ney, every means has been tried. right：To save money, he has tried every means. 为了省钱，他使出了浑身解数。 wrong：To learn English well, a dictionary is needed. right：To learn English well, he needs a dictionary. 为了学好英语，他需要一本词典。 作目的状语：既可以放在句首，也可以放在句尾 To tell you the truth, I dont like the way he talked. 说实话，我不喜欢

21、他讲话的方式。 表结果(往往是与预期愿望相反的结果 意料之外)： 常放在never only后 He arrived late only to find the train had gone. 他来晚了，只见火车已经走了。 I visited him only to find him out. 我去拜访他，只见他出去了。 表原因：常放在形容词后面 They were very sad to hear the news. 他们听到这条新闻非常伤心。 表程度： Its too dark for us to see anything. 太暗了，我们什么也看不见。 The question is si

22、mple for him to answer. 这问题由他来回答是很简单的。 3、不定式的省略： 情态动词（除ought外， ought to do）would rather， had better感官动词和使役动词由 and, or 和 than 连接的两个不定式，第二个 to 可以省去。如：He wants to move to France and marry the girl.helpWhy/Why notBut 和 except 前是动词 do 时，后面出现的动词用不带 to 的动词不定式。试比较：He wants to do nothing but go out. He wants

23、 to believe anything but to take the medicine.通常在discover, imagine, suppose, think, understand 等词后，可以省去 to be .如：保留to省略do动词。 If you dont want to do it, you dont need to. 如果你不想做这件事，你就不必做。 不定式的并列：第二个不定式可省略to。下列短语中，如果意义明确，常常省略到to：want to , wish to ,hope to , like to , hate to , plan to , try to , love

24、to , have to , ought to , need to , used to , be able to He wished to study medicine and become a doctor. 他希望学医并成为医生。 五、注意：1to 作介词：agree to， object to，close to , come to , lead to , refer to , equal to , familiar to , point to , thank to , devote to , next to , belong to , be used to , look forward

25、to 动名词一、定义： 动名词既具有动词的一些特征，又具有名词的句法功能。 二、形式：及物动词不及物动词主动被动主动一般时doingbeing donedoing完成时having donehaving been donehaving done一般式 doing （谓语动词同时发生） being done Seeing is believing. 眼见为实。 完成式 having done having been done （谓语动词发生之前）We remembered having seen the film. 我们记得看过这部电影。否定式：not + 动名词 动名词的形式： I regre

26、t not following his advice. 我后悔没听他的劝告。 被动式： He came to the party without being invited他未被邀请就来到了晚会。 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。 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

27、 a lot. 他不懂英语给他带来许多麻烦。 三、动名词的句法功能：（1）作主语： 谓语用单数 Reading aloud is very helpful. Collecting stamps is interesting. Playing with fire is dangerous. 当动名词短语作主语时常用it作形式主语。结构：Its no good/use doing. Its no use quarrelling.争吵是没用的。 （2）作表语： 动名词可以和主语调换位置。如：My hobby is collecting stamps.In the ant city, the quee

28、ns job is laying eggs. 在蚂蚁王国，蚁后的工作是产卵。 （3）作宾语：They havent finished building the dam. 他们还没有建好大坝。 We have to prevent the air from being polluted. 我们必须阻止空气被污染。 注意动名词既可作动词宾语也可作介词宾语，如上面两个例句。此外，动名词作宾语时，若跟有宾语补足语，则常用形式宾语it，例如： We found it no good making fun of others. 我们发现取笑他人不好。 只接V-ing做宾语的动词和动词短语： enjoy,

29、finish, suggest, avoid, excuse ,delay, imagine, keep, miss, consider, admit，deny, mind, permit, forbid, practise, risk, appreciate, be busy, be worth, feel like, cant stand, cant help）, think of, dream of, be fond of, prevent(from),keep from, stop（from）,protectfrom, set about, be engaged in, spend(i

30、n), succeed in, be used to, look forward to, object to, pay attention to, insist on, feel like 接动名词、不定式均可，且意义相同的动词：like, love, dilike,hate, begin, star, continue, prefer, cease, cant bear/endure/stand接动名词、不定式均可，但意义不同的词：forget，go on，mean，regret，remember，stop，try等Stop to do 停下来去做 stop doing 停止做Forget

31、to do 忘记要做 forget doing 忘记做过Remember to do 记得要做 remember doing 记得做过Regret to do 遗憾要做 regret doing 后悔做过Try to do 企图做，尽力做 try doing 试着做Go on to do 继续做（另一件事） go on doing 继续做（同一件事）Mean to do 打算做 mean doing 意味做注意：Need, require, want作“需要”讲，其后用动名词的主动式表示被动意义，be worth也有类似用法。如：The flowers need watering/to be watered.The problem is worth discussing.（4）作定语： 动名词作定语，一般表示用途。如：a waiting room，a diving board，a reading room，a dining hall动名词与现在分词作定语的区别：（1）现在分词作定语表动作，它与所修饰的名词之间存在逻辑上的主谓关系，可改写成一个定语从句。如果为单词，放在被修饰n之前，