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你好,很高兴为你解答:英语中“动词不定式”是非谓语动词的一种。非谓语动词分为三种:动词不定式(to do)动词的现在分词(doing)动词的过去分词(done)那什么叫非谓语动词呢?顾名思义,非谓语动词就是不能做谓语的动词。它具有动词的含义,却有名词或者形容词的特征。所以在句子中,非谓语动词可以做主语(过去分词不能单独做主语)、表语、宾语(过去分词不能单独做宾语)、宾语补足语、定语和状语等。下面我就“动词不定式”的用法归纳如下:1.动词不定式做主语(谓语用第三人称单数形式,如果主语较长则用it做形式主语,将真正的主语动词不定式放到句尾.)To see is to believe.It's a bad habit to run after dinner.2 做表语The important things is to save lives.3 做宾语He likes to play with children.4 做宾语补足语He feels it happy to help others.5 做定语He is always the first one to come and the last to leave.6 做状语You are never too old to learn.(结果状语)

动词不定式的英文

343 评论(8)

迪夫米米

英语的不定式,是前面带有to 的动词短语不定式可以作目的状语,表语等,但是不能单独成为一个句子。不定式也可以作主语、表语和宾语。

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janesmonkey

动词不定式的英文 infinitive美 [ɪn'fɪnətɪv]n. 原形,原形动词,不定式adj. 原形的,不定式的An infinitive is a two-word form of a verb. 一个不定式是由两个词构成的形式。

167 评论(13)

贝贝花儿

动词 不定式 afford aim appear agree arrange ask be decide bother care choose come dare demand desire determine expect elect endeavor hope fail happen help hesitate learn long mean manage offer ought plan prepare pretend promise refuse seem tend wait wish undertake 动词不定式的基本形式是“to+动词原形”,有时可以不带to。动词不定式(或不定式短语)没有人称和数的变化,在句子中不能作谓语。动词不定式仍保留动词的特点,即可以有自己的宾语和状语。动词不定式同它的宾语或状语构成不定式短语。 动词不定式具有名词、形容词和副词的特征,因此在句子中可以作主语、宾语、表语、宾语补足语、定语和状语。 1.作主语 作主语用的动词不定式常常用it替代,动词不定式(或短语)放在后面。例如: It's easy to get lost in a big city like Tokyo.在东京这样的大城市容易迷路。 It is terrible to see the ship sinking into the sea.目睹轮船沉入大海,真是太可怕了。 2.作宾语 Indians like to eat hot food.印度人喜欢吃辣味食品。 They need to look at a map.他们需要查看地图。 有的动词不定式在作带有补足语的宾语时,前面往往带有形式宾语it。例如: Do you think it necessary for us to learn to wait?你认为学会等待对我们来说很必要吗? They improved the software to make it easier for people to use computers.他们改进了软件,使人们使用计算机更简便了。 3.作表语 It seems to be an interesting book.它看起来是本有趣的书。 The old man's job is to take care of the flowers in the garden.这位老人的工作是照料花园里的花。 4.作宾语补足语 He told me not to bring you anything.他叫我不要给你带任何东西。 Who taught you to play the music?谁教你弹这支曲子的? 5.作定语 动词不定式作定语时,要放在它所修饰的名词或代词后面。例如: In my dreams I always have very difficult jobs to do.我在梦里总是做一些艰难的工作。 Every day he made one of the smaller animals bring him something to eat.他每天叫一个小动物给他带来吃的东西。 6.作状语 (1)表示目的 You can hide under my seat when the conductor comes to check the tickets.当列车员来查票时,你可以藏在我的座位下面。 In his third year,he left Harvard to work for a company called Microsoft.在三年级时,他为了去微软公司工作而离开了哈佛大学。 (2)表示结果 动词不定式作状语表示结果时常与副词too或enough连用。例如: It's too heavy to carry.太重了搬不动。 The Californian ship arrived too late to save more people.加利福尼亚号来得太晚,没能挽救更多的人。 7.和某些形容词连用 和动词不定式经常连用的形容词有sure,ready,happy,sorry,afraid等。例如: He's very happy to see his wife.他见到妻子非常高兴。 I'm sorry to trouble you.很抱歉打扰你了。

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好多好多猪

[动词不定式的简介]动词不定式是一种非限定性动词,非限定动词是指那些在句中不能单独充当谓语的动词,分为不定式,动名词,现在分词和过去分词,由to+动词原形构成,但在有些情况下to可以省略。在句中不能单独作谓语。它具有动词的性质,本身可以带宾语和状语。动词不定式在句中可以作除了谓语之外的任何成分,还可用在复合结构中,而且有完成式、进行式、完成进行式和否定形式。动词不定式的被动形式除了一般形式外还有其完成式和进行式。

252 评论(13)

識食過人

(1) AAA型(动词原形、过去式、过去分词同形) cost(花费) cost cost cut(割) cut cut hit(打) hit hit hurt 伤害) hurt hurt let(让) let let put(放) put put read (读) read read (2) AAB型(动词原形与过去式同形) beat(跳动) beat beaten (3) ABA型(动词原形与过去分词同形) become(变成) became become come(来) came come run(跑) ran run (4) ABB型(过去式与过去分词同形) dig(挖) dug dug get(得到) got got hang(吊死) hanged hanged hang(悬挂) hung hung hold(抓住) held held shine(照耀) shone shone sit(坐) sat sat win (赢) won won meet(遇见) met met keep (保持) kept kept sleep(睡) slept slept sweep(扫) swept swept feel(感觉) felt felt smell(闻) smelt smelt leave(离开) left left build(建设) built built lend(借出) lent lent send (传送) sent sent spend(花费) spent spent lose (丢失) lost lost burn (燃烧) burnt burnt learn(学习) learnt learnt mean(意思是) meant meant catch(抓住) caught caught teach(教) taught taught bring(带来) brought brought fight (战斗) fought fought buy(买) bought bought think(想) thought thought hear (听见) heard heard sell(卖) sold sold tell(告诉) told told say(说) said said find(找到) found found have/has(有) had had make(制造) made made stand(站) stood stood understand明白understood understood (5) ABC型(动词原形、过去式与过去分词三者不同形) begin(开始) began begun drink(喝) drank drunk ring(铃响) rang rung sing (唱) sang sung swim(游泳) swam swum blow(吹) blew blown draw (画) drew drawn fly(飞) flew flown grow(生长) grew grown know(知道) knew known throw(投掷) threw thrown show(出示) showed shown break(打破) broke broken choose(选择) chose chosen forget(忘记) forgot forgotten (forgot) speak(说,讲) spoke spoken wake(醒) woke woke drive(驾驶) drove driven eat(吃) ate eaten fall(落下) fell fallen give(给) gave given rise(升高) rose risen take(取) took taken mistake(弄错) mistook mistaken ride(骑) rode ridden write(写) wrote written do(做) did done go(去) went gone lie(平躺) lay lain see(看见) saw seen wear (穿) wore worn be ( am, is, are )(是)was, were been

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黄豆珵珵

不定式的全称是“动词不定式”,是一种非限定动词,有不定式符号to家动词原形构成。不定式具有动词的特征,同时也有名词、形容词和副词的特征。我们说不定式具有动词的特征是因为:它可以有自己的宾语,可以受副词的修饰等。简单明了来说动词不定式就是to do 形式例如 I want to be a doctor when I grow up.这里to be就是不定式。

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小七-279928530

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 (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: I'm glad to meet you. He seems to know a lot. We plan to pay a visit. He wants to be an 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 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it作形式主语,真正的主语不定式置于句后,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. 常用句式有: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。4、It+be+形容词+for sb.+to do。常用careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise,等表示赞扬或批评的形容词,不定式前的sb.可作其逻辑主语。(2)作表语: Her job is to clean the hall. He appears 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 stay 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,介词有时也与这种复合宾语连用,如: With a lot of work to do, he didn't 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: ①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 anything to be sent? ②说明所修饰名词的内容: We have made a plan to finish the work. ③被修饰名词是不定式逻辑主语: He is the first to get here. (6)作状语: ①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, he has tried every means. wrong:To learn English well, a dictionary is needed. right:To learn English well, he needs a dictionary. ②表结果(往往是与预期愿望相反的结果): He arrived late only to find the train had gone. I visited him only to find him out. ③表原因: They were very sad to hear the news. ④表程度: It's too dark for us to see anything. The question is simple for him to answer. (7)作独立成分: To tell you the truth, I don't like the way he talked. (8)不定式的省略:保留to省略do动词。 If you don't want to do it, you don't 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.

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青青园中葵me

关于现在完成时,现行教材着重处理了“已完成用法”和“未完成用法”。无论哪种用法都强调一点,即过去动作给现在带来的结果或对现在造成的影响。因此现在完成时不是属于过去时,而是属于现在时的范畴。但在高考复习中,还应该注意一些相关的问题才能对此时态有一个全面的把握。 一、 “已完成用法”是针对瞬间动词(即非延续性动词)而言的,动词通常可以表示在说话之前已经完成,而后果或影响至今仍存在。这些瞬间动词常用的有:start,finish,turn off / on,lose,become,leave,open,close,join等。例如: Li Ming has just turned off the light. 李明刚把灯关上。 I’ve finished my homework now. 现在我已经做完作业了。 I have lost my pen. 我把笔弄丢了。 She has become a teacher. 她已经当了一名老师。 表示“已完成用法”的对应时间状语只能是表示时间点的词,如just, now, already, yet, not ... yet,或者干脆不带时间状语,如上述例句中的后两个。 但是瞬间动词与时间段状语如for a week / three days连用时,并非指瞬间动词的动作延续了多久,而是包含下述两层意思:①谓语动作已完成,②接续动作要持续多久。例如: He has come here for three days. 他来了,准备待三天。 He has left Shanghai for New York for two years. 他已离开上海去纽约,要在那里住两年。 显然若把上述两句理解成“他已来了三天”和“他已离开上海去纽约两年了”都是错误的。 二、 “未完成用法”是针对延续性动词而言的,主要表示从过去开始的动作已持续到现在,而且还会继续下去。动词多为work,study,live,know等,所带的时间状语也是持续性的,如lately,these days,since 2 days ago,since 1991,for a long time,so far,up to now等。例如: I have studied English since 1995. 我从1995年起开始就学习英语。 He has lived here for two years. 他住在这儿已经两年了。 但是延续性动词的完成时不带时间状语则不是说明“过去开始的动作已持续到现在,而且还会继续下去”,而是说明“动作已经结束,而影响还留在现在”。例如: She has been a teacher. 她当过教师。(含义:她现在不是教师了,在干别的工作。) (比较:She has been a teacher for three years. 她当教师已有三年。——现在还是教师。) 三、 按英语语法规律,瞬间动词不能和表示时间段的状语连用,但是汉语里,却可以这样,因此英汉两种语言在转换时必然有障碍。在这里,只要抓住转换规律,矛盾就会迎刃而解。现把中学阶段由瞬间性转为延续性的若干对动词列举于下面: die → be dead go out → be out open → be open begin / start → be on buy / get → have / keep get up → be up arrive in / come to / get to / reach → be in close → be closed fall / become → be marry → be married to get to know → know finish / end → be over leave / move → be away / be out of join → be in borrow → keep catch → have come back → be back put on → wear / have on wake → be awake 此外还须记住一些由瞬间动词转换为延续性动词的常用句型: 1) 瞬间动词的过去时 + ... ago → 延续性动词的现在完成时 + for + 一段时间。例如: 他参军三年了。 He joined the army three years ago. → He has been a soldier for three years. 电影已开始十分钟了。 The film started ten minutes ago. → The film has been on for ten minutes. 2)使用句型“It is / has been + 一段时间 + since +瞬间动词的一般过去时”。例如: 他父亲已去世两年了。 It is / has been two years since his father died. 从上述几点可以看出,在英语学习中,建立起延续性动词和非延续性动词的概念对我们是非常重要的。 四、 正确理解since引导的时间状语从句。 since引导时间状语从句有三种情况: 1) “since + 瞬间动词的过去时”。其从句中的动作已在过去完成,这是我们熟知的句型。例如: We’ve been friends since we met at school. 我们自从在学校认识以来一直是朋友。 2) “since + 延续性动词的过去时”。它的要点是:时间从延续动词结束后计算,这与瞬间动词的计算不同,现行教材基本没有讲到。例如: It is three years since he smoked. 他戒烟已经三年了。(= It is three years since he stopped smoking.) 3) “since + 延续性动词的现在完成时”。其从句的动作或状态延续至今。例如: They have the deepest affection for the old professor since they have worked with him. 自打同这位老教授一同工作以来,他们就对他怀有最深切的感情。(他们和教授现在仍然一起共事) 五、 注意以下几个完成时的句型在含义上的区别。 1) have gone to somewhere表示“去了某地(说话时当事人不在场)”,用于第三人称。例如: He (They) has (have) gone to Beijing. 他(们)去了北京。(现在仍在北京) 不能说:I / We / You have gone to Beijing. 2) have been to somewhere“去过某地(现在已经回来了)”,可用于各种人称。所要求的时间状语是与倍数相关的词,如once,ever,never,twice,several times,many times等。例如: I have never been to the Great Wall. 我从未去过长城。 How many times have you been there this year? 今年你去过那里多少次? 3) 在“It / This is the first / second time ... that从句”中,that从句部分要用现在完成时。例如: It is the first time that I have visited the city. 这是我第一次到这座城市。 This is the second time that they have finished the work ahead of time. 这是他们第二次提前完成工作。 4) “This is the + 形容词最高级 + 名词 + that从句”结构中,that从句要用现在完成时态。例如: This is the best film that I’ve (ever) seen. 这是我看过的最好的电影。 六、 瞬间动词的完成时的肯定式一般不与一段时间状语连用,但是它的否定式和被动式常与一段时间状语连用。例如: We haven’t heard from Jane for a long time. 我们很久都没有收到简的来信了。 七、介词短语如in the past years,in the last few years,over the last century,during the past ten years以及since two years ago等,虽然含有明确的过去时间,但句子仍然要用现在完成时。(现在完成时就是动词不定式)

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社区人员

doing,todo等形式

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