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1、学习必备欢迎下载分词，动名词，不定式三者的用法有什么区别？英语中，非限定动词也叫非谓语动词，也就是不定式、分词和动名词。顾名思义，不定式、分词和动名词在英语句子中是不能做作谓语的。非谓语动词虽然不能在句子中作谓语，但由于它们本身具有动词的一些特征， 它们在句子中的运用是非常活跃的。他们之间的用法既有共同点，又有一定的区别，是历年高考必考的语法项目，例如NMET20XX 年单项填空题（全国卷）中就有这样一题：32，The storm left, _ a lot of damage to this area. A. caused B. to have caused C. to caused D.
2、having caused 根据题意，本题应选D-分词作状语，表示结果。如何正确地运用好非谓语动词，是许多学生普遍感到棘手的问题，本文将就不定式、 分词和动名词的词性特征和句法功能等方面进行比较，帮助学生正确地运用好非谓语动词。一、 基本形式a.不定式的基本形式是 “ 小品词 to动词原形 ” 即 tov. ；但有时也可省去 to, 即：(to) v. 。b.分词有两种基本形式：现在分词(the present participle) 和过去分词(the past participle) 。现在分词的基本形式是动词的ing 形式，如， writing, doing ,working ,goin
3、g, etc. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 18 页学习必备欢迎下载过去分词的基本形式是：a) 规则动词 ed, 即 v.-ed, 如，visitvisited ,askasked ,digdigged ,etc; b) 不规则动词有其自身的过去式和过去分词，学生需要用心熟记，方能正确使用。如，gowent gone; do did done, etc . c 动名词的基本形式与现在分词的基本形式相同，都是动词的ing 形式，如， doing ,writing ,doing ,etc . 二、 时态、语态及其基本用法
4、A. 不定式1不定式的时态、 语态有三种形式： 一般式，如，to write / to be written ; 进行式，如， to be writing / to have been writing;完成式，如， to have written / to have been written 。2基本用法不定式的一般式，表示的动作与谓语动词表示的动作同时发生，有时也发生在谓语动词表示的动作之后。如：He seems to know this.(=It seems that he knows this.) I hope to see you again.(=I hope that Ill see
5、 you again.) He doesnt like to be laughed at. (=He doesnt like that he is being laughed at.) 不定式的进行式， 表示不定式的动作正在进行，与谓语动词表示的动作同时发生。如：When the mother went into the room, the boy pretended to be sleeping. (= , the boy pretended that he was sleeping .) 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，
6、共 18 页学习必备欢迎下载I heard the English song being sung by him. (=I heard that the English song was being sung by him.) 不定式的完成式， 表示的动作发生在谓语动词表示的动作之前。如：I am sorry to have kept you waiting so long. (= I am sorry that I kept you waiting so long. ) Having been well written, the book was translated into many l
7、anguages. (=Because it had been well written, ) B. 分词1.只有现在分词才有时态和语态形式的变化。现在分词的时态、语态有两种形式：一般式，如，doing / being done; 完成式，如， having done / having been done 。2.基本用法现在分词的一般式， 表示的动作与谓语动词表示的动作同时发生，或在谓语动词表示的动作之前发生。如：The boys and girls went to school, singing and dancing all along the way . They all jumped
8、with joy ,hearing the good news. The girl could not help crying ,being criticized in the public. 现在分词的完成式， 表示的动作在谓语动词表示的动作之前已发生，常用作时间状语或原因状语。如：精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 18 页学习必备欢迎下载Having done the work very well ,he was praised by the teacher. Having been shot by a bullet,
9、 the man fell down dead. C 动名词1.动名词的时态、语态有两种形式： 一般式，如，writing / being written ; 完成式，如， having written / having been written 。2.基本用法动名词的一般式不表示动作正在进行，但作具有状语性质的宾语时，动名词一般式表示的动作与谓语动词的动作同时发生。如：The teac her is busy collecting the students exam papers. 动名词的完成式在作具有状语性质的宾语时，表示的动作在谓语动词的动作之前已发生。如：He was praised
10、 by the teacher for having done the work wonderfully. He felt so sorry for not having been given the chance to work in the company. 三、不定式、分词、动名词的词性特征和句法功能1不定式既有动词的一些特征，又具有名词、形容词、和副词的句法功能，因此，不定式在句中作：主语、表语、宾语、宾语补足语、定语、状语、独立成分。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 18 页学习必备欢迎下载2分词即具有动词的一些
11、特征，又具有形容词和副词的句法功能，因此，不定式在句中作：表语、宾语补足语、定语、状语、独立成分。3动名词，顾名思义，既有动词的一些特征，又具有名词的句法功能，因此，动名词在句中作：主语、表语、宾语、定语、 同位语。四、不定式、分词、动名词句法功能用法的比较1. 从上面不定式、分词、动名词的词性特征和句法功能中，我们不难看出它们在句子中的作用既有较多的共性，又有稍微的差异：a.相同的句法功能：不定式、分词都能作：表语、定语、宾语补足语、 状语、独立成分； 不定式、动名词都能作： 主语、表语、宾语 ；不定式、分词、动名词都能作：表语、定语。b.不同的句法功能：不定式可作：同位语。如：That w
12、as her desire, to go to America for further study after finishing middle school. 2.正确运用好不定式、分词、动名词不定式、分词、动名词作表语时的比较。请看例句：My job is to teach the students English. My job is teaching the students English. My job is interesting. I am interested in English. 辨析： A. 不定式与动名词作表语一般可以互换使用，在意义上没有多大差别，且其形式差异较大，
13、很容易把握, 如上面例句的精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 18 页学习必备欢迎下载；现在分词和动名词同形，在作表语时，学生不易识别。分辨方法有三： a）分词作表语说明主语的性质特征，回答how 的问题；不定式和动名词作表语则说明主语的内容，回答what 或 doing what 问题, 如： My job is interesting.(=How is my job?) ; My job is teaching ( to teach ) the students English. (=What is my job?);
14、b）动名词具有名词的句法功能， 也能做主语， 我们不妨把句中的表语转换成主语，如果句子成立，则是动名词作表语， 否则是现在分词作表语。如：My job is teaching the students EnglishTeaching the students English is my job. 显然句子是成立的，原句中的teaching 是动名词；c）分词具有形容词的句法功能，那么，我们可以在作表语的分词前加 very(extremely ,fairly ) 等副词，如果句子成立，则动词ing 形式作表语的是现在分词。 如上面例句： My job is interesting. 可改为：My
15、 job is very interesting. 显然句子是成立的， 句中的 interesting 是现在分词。B确定用现在分词还是用过去分词作表语的方法有：现在分词作表语多表示主语所具有的某种特征；过去分词作表语多表示主语所处的状态。情感动词的v.-ing 形式表示具有某种特征；情感动词的v.-ed 形式多表示引起某种情感。一般地说，事物具有某种特征，而人才具有某种情感，因此，分词作表语的句式可归纳为：a） Sb.be v-ed ; b ） Sth. bev-ing. 如：a. I am very excited ; b. The news is very exciting. 精选学习资
16、料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 18 页学习必备欢迎下载但有一个词例外，那就是missing 。例如“ 那个男孩不见了 ” ，我们不能说 “The boy is missed .”，而是 “The boy is missing.” 不定式、分词、动名词作定语时的比较A作前置定语现在分词、过去分词、动名词可以作前置定语，而不定式不能作前置定语。如： a developing country , a developed country ; boiling water，boiled water ; building materials
17、, a swimming pool ; the sleeping boy , the coming new year 。辨异的方法很简单：现在分词具有主动、进行的特点，而过去分词则具有被动、完成的特点。例如，a developing country=a country which is developing ( 发展中国家)； boiling water=water which is boiling( 正在滚开的水) ; a developed country=a country which has developed （发达国家）； boiled water=water which has
18、been boiled( 已滚开过的水 )。现在分词和动名词同形，但作前置定语时，动名词表示所修饰的名词的用途，例如， .building materials=materials for building; a swimming pool=a pool for swimming ；而现在分词作前置定语时， 表示所修饰的名词正在进行的动作，两者是逻辑上的主谓关系。 例如，the sleeping boy=the boy who is sleeping ; the coming new year=the new year that is coming 。B作后置定语精选学习资料 - - - - -
19、 - - - - 名师归纳总结 - - - - - - -第 7 页，共 18 页学习必备欢迎下载不定式、现在分词、过去分词都能作作后置定语，而动名词不作后置定语。先看例句： The problem to be discussed at the meeting is very important. The problem discussed discussed at the meeting is very important. The problem being discussed at the meeting is very important. 辨析：上面例句分别用不定式、 现在分词、过去
20、分词作后置定语，是因为它们存在不同的情况：不定式作定语，表示动作正要进行（未发生）；现在分词作定语，表示动作正在进行（正在发生）；过去分词作定语，表示动作已完成（已发生）。据此，我们可以把上面的例句还原为定语从句作定语的句子，这样学生就更容易理解： The problem to be discussed at the meeting is very important.=The problem ( which is ) to be discussed at the meeting is very important. The problem discussed at the meeting i
21、s very important.= The problem (which was ) discussed at the meeting is very important. The problem being discussed at the meeting is very important.= The problem (which is ) being discussed at the meeting is very important. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 8 页，共 18 页学习必备欢迎下载不定式、动名词做主语
22、、宾语时的比较A做主语例句： To read English aloud in the morning is very practical. Reading English aloud in the morning is very practical . 为了保持句子的平衡， 可用 it 作形式主语， 所以上面例句可写成为：It is practical to read English aloud in the morning . It is practical reading English aloud in the morning . B作宾语例句：He wanted to help hi
23、m out with his English. He doesnt like being laughed at. I enjoy singing English songs . 辨析：一般说来，不定式与动名词做主语可以互换，其意义没有多大的差别，但认真分析起来，它们之间还是有一些差异的：a )不定式做主语，一般表示的是具体的情况,而动名词做主语，一般表示一般性的情况。如：It is no use to ask him. He knows nothing about this matter. It is no use asking him. He is foolish. b. 同样，不定式做宾语
24、，一般表示的是具体的情况,而动名词作宾语，一般表示的是习惯性的动作。如：I like to sing and dance right now .I feel so pleased to know that our football team has won the match. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 9 页，共 18 页学习必备欢迎下载He has a good voice. He likes singing English songs. 不定式作宾语时：a) 通常用于及物动词want, hope, wish, need,
25、 promise, plan, pretend, prepare, fail, determine等之后。如： I want to be proud of you. Einstein once refused to speak on the radio for $1,000 a minute. b) 如果作宾语的不定式又有自己的补语，则须用先行词it 作形式宾语，而将真正的宾语后置。如：We think it necessary to study English well. We feel our it our duty to help him. c) 不定式一般不作介词的宾语，只有少数介词如
26、，but, except等后面才行。此时不定式可以带to,如果介词 but, except 等的前面有实义动词 do, does 或 did 时，不定式不带 to. 如：In very cold winter weather a cold blooded creature has no choice but to lie down and sleep. Yesterday afternoon he did nothing but lie in bed sleeping. 有些及物动词后面只能接动名词作宾语，这样的及物动词不多，主要是： mind, admit, advise void, fac
27、e, enjoy, finish, excuse, imagine, escape, include, keep, pardon, practice, risk, miss, stand( 忍耐，忍受 ), deny, suggest, give up, put off, cant help(禁不精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 10 页，共 18 页学习必备欢迎下载住), set about, prevent, prevent sb. from, object to（反对）， insist on 等。如：The boy insist
28、ed on going to Beijing with his father for a tour. The girl didnt mind being left alone at home. 有些及物动词的宾语可用不定式，也有可用动名词， 可分两种情况：a)意义基本一样，如like, love, hate, begin, start, continue, cease, attempt, afford, prefer, delay, omit, neglect, propose, 等。如：Marx started working(=to work) hard to improve his En
29、glish. The Einstein s cold not afford to pay for ( =paying for) the education that young Albert needed. 但是，如果 begin 与 start 本身为进行式时，后面要接不定式，不接动名词。如：He is beginning to see his mistakes. b)意义明显不同，主要有以下几个动词。(a) remember(forget, regret )to v. 表示不定式的动作尚未发生。remember(forget, regret )v.-ing 表示动名词的动作已发生。试比较：
30、Please remember to close the door when you leave. I regret to tell you that he will not come to the party. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 11 页，共 18 页学习必备欢迎下载I remember meeting her somewhere before. (b) mean to v. 意为：打算 ; 想要; 有的意图mean v.-ing 意为：意味着 ; 意思是 ; 就是 试比较：I didn t mean to hurt
31、 your feeling. Learning well English does not mean just working hard in a class. (c) stop to v. 意为：停下来做谋事。stop v.-ing 意为； 停止做谋事。试比较：They stopped to talk .(= stopped what they were doing in order to talk.) The students stopped talking when the teacher came into the classroom. (d) try to v. 意为：设法 ; 想法
32、 ; 试图 try v.-ing 意为：试着 ; 试试看试比较：Ever since he came to this school, he tried to work hard at all his subjects . She tried reading, but that could not make her forget all her trouble. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 12 页，共 18 页学习必备欢迎下载(e) sth.want( need, require) to be v.-ed 意为： 需要 ; 该
33、sth.want( need, require) v.-ing 意为：需要 ; 该 (动名词的主动形式表示被动的含义) 试比较：My watch needed to be repaired. The matter wants thinking over.(=to be thought over) . Those young trees will require looking after(=to be looked after) . 不定式、现在分词、过去分作宾语补足语时的比较A不定式作宾语补足语不定式作宾补是比较常用的句式，如：He asked me to help him with his
34、 English. The teacher encouraged us to make greater progress. 但用不定式作宾补要注意下面两种情况：a)不定式在感觉性动词，如see, hear, watch, notice, observe, feel, find 等动词和使役动词make, let, have 之后作宾补时，不定式的小品词 to 应省去。如：I saw him go upstairs this morning . The teacher makes me write a composition a week. 但上面的句子在改为被动语太时，to 不能省去。如： H
35、e was seen to go upstairs this morning. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 13 页，共 18 页学习必备欢迎下载 We are made to write a composition a week by the teacher. b)某些及物动词，如agree,employ,lead,refuse,decide,promise,excuse,insist,prevent,suggest, arrange 等之后不能用不定式作其宾语补足语。例如句子 “ 我爸爸希望我将来当工程师 ” 如果译文是 “
36、 My farther hopes me to be an engineer in the future.”,那么就错了。正确的译文应是：“ My farther wishes (expects) me to be an engineer in the future.”； 或“ My farther hopes that I will be an engineer in the future.” B现在分词、过去分词作宾语补足语现在分词、过去分词作宾语补足语也是比较常用的句式，如：I heard him singing English songs. His English was poor .
37、He could hardly make himself understood. 学习小结：不定式、现在分词、过去分词都能作宾补，正确使用它们的方法是：首先确定它们与逻辑主语即句子的宾语之间的关系，如果逻辑主语是它们动作的执行者，则用不定式或现在分词作宾补。不定式表示动作已完成， 侧重工作的全过程， 而现在分词表示动作正在进行；如果逻辑主语是它们动作的承受者， 则应用过去分词作宾补。如：I often heard him sing English songs. I heard him singing English songs. I often heard English songs sung
38、 by him. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 14 页，共 18 页学习必备欢迎下载不定式、分词作状语时的比较A.不定式可修饰动词和形容词，表示原因、目的和结果。a)作修饰动词的原因状语。如：The whole nation was in deep sorrow to learn of Premier Zhou Enlai s death. He laughed to think of his stupid son. b)作修饰动词的目的状语。如：He went to buy an English dictionary in t
39、he bookstore. 不定式作目的状语如果放在句子之前，则更为正式一些， 语气也较重。如：To be a teacher of the people, one must first be their pupil. c)作修饰动词的结果状语。不定式做结果状语，表示一种没有预料到的情况或结果，须放在被修饰动词的后面，如：He woke up to find that he was lying in the hospital. 有时为了进一步加强预料不到的语气，在表示结果的不定式前还可加 only, 如：He went to see him only to find him out. d) 作
40、修饰表语形容词的状语。尤其要注意的是，此时作修饰表语形容词状语的不定式常用主动形式，表示被动的含义。如：My chair is comfortable to sit on. English is very difficult to learn well. B分词可作多种状语，用法比较活跃。精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 15 页，共 18 页学习必备欢迎下载a)作时间状语（相当时间状语从句），如：Having finished his homework, he went to bed. (=After he had finished
41、 his homework, ) (When) heated, ice will turn into water. (=When it is heated, ) b)作原因状语（相当原因状语从句），如：Being a Party member, I should take the lead. (=As I am a Party member, ) Greatly inspired by the teachers words, he made up his mind to work even harder. (=Because he was greatly inspired by the tea
42、cher s words, ) c)作方式、伴随或附加说明状语，如：Filled for the moment with extraordinary strength, he raised himself completely. He stood there waiting for a bus. Here for the four very difficult years they worked every moment that they could spare, weighing and boiling and measuring and calculating and thinking.
43、 d)作条件状语（相当条件状语从句），如：Given some more time, she will do work even better. (= If she is given some more time, ) 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 16 页，共 18 页学习必备欢迎下载Playing all day, you will waste your valuable time. (=If you play all day, ) e) 作结果状语，如：He dropped the glass, breaking it in
44、to pieces. 有时在表示结果的现在分词之前还可加only,表示预料之中的情况，如：He went to see him last night only finding him studying. He was always working hard! f) 作程度状语，如：The wind rose and it became freezing cold. g)作目的状语，如：Yesterday she went shopping with his classmates. h) 作让步状语（相当于让步状语从句），如：Though warned of the danger, the ch
45、ildren went on skating on the thin ice.(=Though they were warned of the danger, ) 要点提示：分词作状语，其逻辑主语就是句子的主语，如果分词表示的是主动、进行的动作，则用现在分词作状语；如果分词表示的是被动、完成的动作或状态，则用过去分词作状语，如：Following the old man, he stepped into the room. Followed by the old man, he stepped into the room. Greatly interested ,I asked how he
46、played these new works. 不定式、现在分词作独立成分时的比较精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 17 页，共 18 页学习必备欢迎下载A不定式作独立成分，表示不定式独立于句子的其他成分，是英语表达的一种方式，不常用，如：To tell you the truth, I am almost freezing. To be honest, I dont like being left alone at home. B现在分词作独立成分，用来表示说话人的态度或看问题的角度，如：Generally speaking, boys are physically stronger than girls. Judging from his accent ,he must be an American. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 18 页，共 18 页