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1、2022届全国新高考英语冲刺精品复习动词不定式（INFINITIVE）、构成与特征动词不定式是动词的一种非限定形式,由“to+动词原形”构成,在句 中起名词、形容词或副词的作用,同时也保留动词的一些特征,可以 带宾语、状语或宾语补足语等。例如:He tried to work out the problem in five minutes.他试图在五分钟之内算 出这道题。（带宾语和状语）This country, my country, is a place of dreamers who have the faith and the will to make dreamscometrue.这
2、个国家,我的祖国,是一片让那些 有信心和意志让梦想成真的人梦寐以求的国土。（带宾语和补足语） I am sorry to have kept youwaiting.对不起,让您久等了 （完成 时）I am glad to have been given a chance to visit your country.我彳艮咼兴侣 机会访问贵国。（完成时,被动语态）不定式在许多场合具有情态意义。作主语时,相当于个带有情态动 词的主语从句;作定语时,相当于个带有情态动词的定语从句;作 宾语时，相当于个带有情态动词的宾语从句；作目的状语时,相当 于由sothat或in order that引导的目的状
3、语从句。例如:It is right for her to say so.她这样说是对的。（=It is right that she should say so.）He has a lot of work to do.他有许多工作要做。(=.that he should/ must do.)I dont know where to get theticket.我不知道在哪里能弄到票。(=.where I could get the ticket.) She opened the door for the children to come in.她 开了 门,让孩子们进来。(=.so that
4、 the children might come in.) 二、功能1 .作主语To think of you makes me old.思君令人老。To know oneself is difficult.人能自知,实属不易。To hesitate means failure.犹豫不决就意味着失败。To talk to her is to talk to a wall.同她谈是对牛弹琴。To know everything is to knownothing.样样皆通,样样稀松。To do this is to cut the foot to fit the shoe.这样做是削足适履。To
5、 see what is right and fail to do it, is want of courage.见义不为，是谓 无勇。To be good at fighting is not to becivilized.善于打斗,并非文明表现。To be human is to err.瓜无滚圆,人无十全。To be working all day long is abore.整天干活使人厌倦。(不定式进行式) To love and to be loved is the greatest happiness one can get.爱他人并为 他人所爱是人生最大的幸福。To be le
6、arned in literature is such a different thing from liking it.精通文学和喜欢文学完全是两码事。For him to admit his mistakes is not easy.要他承认错误是不容易的。（带 逻辑主语）For her sister Mary to study music is a proper choice.要她妹妹玛丽学习 音乐是恰当的选择。（带逻辑主语）For there to be so few people in the streets at this time of the day isunusual.这个时
7、候,街道上行人这么少,真是不正常。（there be 结构）To have known you is a privilege.认识 了你真是荣幸。（不定式完成式）Never to offend anyone is hisprinciple. 不得罪人是他的原则。（带副词）Never to have made any mistake is impossible.从不犯错误是不可能的。 （带副词）How to make our life longer is a big problem.怎样使我们活得更长久是 个大问题。（带连接副词）不定式（短语）作主语时,往往由it代替它作形式主语,不定式移至谓
8、语之后,这种情况多见于口语中。例如:It means failure to hesitate.犹豫不决就意味着失败。Its hard to restore a brokenmirror.破镜难圆。It would be silly to believe him.相信他是愚蠢的。Its unlike him to be late.他可不是迟到的那种人。How does it feel to be on yourown?自由自在的感觉怎样?Its a virtueto admitand overcome ones own shortcomings.正视并克月艮 自 己的缺点是一种美德。Its a
9、shame to say like that.那样说话是可耻的。（It+be+名词+不定式）It takes two to make a quarrel.两个人才吵得起来。（It+动词+宾语+不定 式）It would be wrong for people to marry for money.人们为钱而结婚是错 误的。（It+be+形容词+ for短语+不定式）It was annoying of Jim to lose myb汰e.吉姆把我的自行车弄丢了令人生 气。（It+be+形容词+ of短语+不定式）It is against my principles to do such a
10、thing.做这样的事是违反我的 原则的。（It+be+介词短语+不定式）考查下面两句谚语: Better be envied than pitied.令人嫉妒胜似令人怜悯。To be envied is better than to be pitied.It is better to be envied than to be pitied.Better buy than borrow.买比借强。To buy is better than to borrow. It is better to buy than to borrow.提不 不定式作主语时,在很多情况下都可用动名词替代。例如:Hes
11、itating means failure.Thinking of you makes me old. Knowing oneself is difficult.但是,如果作主语的不定式是固定说法,或表示较强烈的对比,或某 些具体情况等,通常不用动名词替代。例如:Toerr is human.没有不犯错误的人。（不说Erring is human.）To respect others is to berespected.尊重别人就是尊重自己。To love is to be loved.爱别人就是被人爱。To forgive is to be forgiven.原谅他人就是原谅自己。To lo
12、ve nature is to love mankinditself.爱自然就是爱人类。To teach is to learn.教即是学。To finish this job in one day isimpossible.要是一天之内完成这项工作是不可能的。（某次具体情况）有时候,作主语的不定式相当于个条件从句。例如:To love others is to be loved.爱人即爱己。=If you love others,you will be loved by others.To build an expressway acrossthe country requires a lo
13、t of money.建一条贯通全国的高速公路需要很 多钱。=If you build an expressway across the country,it will require a lot of money.To see her is to love her.见了 她就会爱上她。=If one sees her, one will love her.如果作主语的不定式短语是“及物动词+宾语”,常可以把这个宾语 转换为主语,而把不定式移到句尾。例如:To revise the poem took her twoweeks.修改这首诗花了她两周时间。The poem took her tw
14、o weeks to revise, （the poem 是 revise 的逻辑宾语）To talk with Helen is interesting.同海伦谈话很有趣。=Helen is interesting to talk with.To build this museum requires one million dollars.建造这个博物馆需要100万美元。The museum requires one million dollars to build.To deal with the matter is hard.处理这件事很难。The matter is hard to d
15、eal with. To decorate the room cost me 4,000 yuan. 装修这个房间花了我4 000元。=The room cost me 4, 000 yuan to decorate.2 .作表语1表示目的To liveistodo somethingworthwhile.活着就是要做些有价值的事情。The next step is to make sure that you know exactly what is required. T 步你要真正弄清楚需要的是什么。The purpose of the exchange program is to pro
16、mote the understandingbetweenthetwocountries.这项交流计划旨在促进两国之间 的相互了解。The purpose of education is to develop a fine personality in children.教育 的目的是发展儿童完美的品格。The important thing in life is to haveagreat aim, andthe determination to attain it.人生最重要的事情就是要有一个伟大的奋斗目标和为实现这 一目标的决心。【提示】下面是个歧义句:His object is not
17、 to eat. 他的目的不在吃饭。他的目的就是不吃饭。2表示事态发展的结果、预期的结果、不幸的命运或预言Shes to be admired.她应该受到敬重。You are to die at ninety-eight.你会在98岁时去世。One is to struggle for ones living.人要为自己的生存奋斗。To do it is to ruin yourself.做那事只会毁掉你自己。To criticize them is to makeenemies.批评他们就是结怨。To become a slave is to give up ones freedom.当奴隶
18、就是放弃自由。Man is to live a better life in the next century.人类在下一世纪会生活得 更好。He was to perish in a shipwreck and to leave a wife and two children.后 来他在一次船只失事中死了,留下了妻子和两个孩子。The girl was born during the illness of his father whom he was never to see.那个女孩是在她父亲病重期间出生的,她再也见不到自己的父亲 了。You must speak out,if we ar
19、e to remain friends.如果我们还想继续做 朋友的话,你就必须痛痛快快地把话都说出来。3用于第一人称疑问句,表示征求意见What am I to say if they ask me the question?要是他们问我这个问题,我该怎么回答呢?What am I to do if I have nomoney?如果没有钱,我该怎么办呢?(=What should I do if.)4用于被动语态,相当于can/could, should, ought to, must,具有情态 意义Theregulationsare tobeobserved.规章制度必须遵守。(must)
20、Gossips are to be dreaded.A 百 可畏。You are to be rewarded.你应受奖励。(should)He is not to be feared.不应怕他。(should not be)Its nowhere to be found.哪儿也找不到它。(cant be)This kind of grass is to be seeneverywhere.这种草哪儿都能见到。(can be)These books are not to be sold.这些书不应卖掉。(ought not to be) Men are not to be measured b
21、yinches.人不是可以用身高来衡量的。 Love and cough are not to behidden.爱情像咳嗽样是隐藏不住的。 He is to be congratulated on his brilliant discoveries.他作出 了重大贡献, 应该祝贺。(ought to)5表示“同意,安排,命令,决定,劝告,意愿,禁止”等They are to marry next week.他们下周结婚。(安排)He is to give up drinking.他务必要戒酒。(命令式劝告)Children are not to smoke.丿里不准吸烟。（禁止）Nobody
22、 is to know.不应让任何人知道。（禁止）The man is guilty and is to undergo ten monthsimprisonment.那人犯 J 罪,要处以10个月的监禁。（决定）You must be patient and persistent if you are to succeed.要想成功,就必 须有耐心,有毅。（愿望）6不定式作表语,可用主动形式表示被动 意义She is to blame.她应该受到责备。The house is to let.该房屋出租。A great deal is yet to do.还有许多事要 做。The result
23、 is not long to see.结果不久就会看到。Something is still to find out.有些东西还有待查明。Little remains to do.没有什么可做的了。3 .作动词宾语I cant afford to take flyinglessons.我付不起飞行课程的费用。She longed to go back to herhometown.她渴望返回家乡。He refused to be photographed.他拒绝让人拍照。She deserved to be praised.她值得受表扬。I cant bear to look back.往事
24、不堪回首。I trust to hear good news fromyou.我相信能听到你的好消息。He arranged to meet her there.他安排在那里见她。He sworeto abide by thisprinciple.他发誓恪守这一原则。I prefer to call off the meeting on account of our directors absence.因为主任不在,我认为还是取消会议好。下列动词适合接不定式作宾语（大约90个）:afford, arrange, bear, beg, care, commence, demand, dislik
25、e, endeavour, fear, forget, hate, hesitate, like, love, mean,neglect, pledge, prefer, propose, resolve, threaten, undertake,venture, contrive, condescend, contract,aspire, hasten, plot,proceed, agree 同意,consent 同意,decline 拒绝,refuse 拒绝,offer 提出,promise 答应,choose 选择,decide 决定,determine 决心,attempt 试图,i
26、ntend 企图,manage设法,fai!失败,ask要求,hope希望,want想要,expect 指望,long渴望,wish希望,tend倾向于，desire希望,seek寻求, claim声称,plan计戈,prepare准备,learn学会,mean意欲,打算, volunteer 自愿,pretend 假装,dare 敢于,等。【提示】 feel, find, judge, make,think, believe,consider 等动词后如果是不定 式作宾语,补语是形容词（间或是名词）,常用it作形式宾语,把不定式后移。例如:I find it difficult to wor
27、k withhim.我发现同他共事很难。I believe it best to leave the matter entirely to his discretion.我相信这件事由他决定处理最好。He thought it a great pity not to have invited her.他认为没邀请她是个极大的遗憾。She made it a rule to get up a由ve.她通常在5点钟起床。I judge it useless to be arguing with him.我认为同他争辩没有用。I supposed it a great pity for Henry
28、to do such a silly thing.我认为号不做 这样的傻事真是太可惜了。She regards itas of greatimportance for the Chinese to learn from other countries.她认为中国人 向别的国家学习十分重要。They considered it little use to spend more money on it.他门认为在为卩上 面多花钱毫无用处。think后有时也可跟不定式作宾语,在疑问句和否定句中用得较多。 例如:I never thought to meet you here.我没想到在这里遇见你。D
29、id he think to find out the truth?他想弄明白事实真相吗? I did not think to find you twohere.我没料到会在这里碰到你们俩。I thought to arrive early but Icouldnt.我很想早些到,可是早不了。I think to buy a new dictionary.我想买一本新词典。(相当于 I think I shall buy a new dictionary.)3care在否定句、疑问句和条件句中可接不定式作宾语。例如:She doesnt care to spend muchtime with
30、 her relatives.她不喜欢花太多时间跟亲戚在起。Would you careto hear my opinion of her?你愿意听听我对她的看法 吗?If you care to meet him,Ill call him right now.如果你想见他,我马上就 给他打电话。You might care to look at thepainting.他也许愿意看看这幅画。（相当于 省略了条件句）Anyone who cares to come will be welcome.谁愿意来都欢迎。（who 从 句相当条件句）4but, except, besides, than
31、,save作介词表示“除 外”时,可用不定式 作宾语。参阅下文。例如:Nothing remains but to die.除了死没有别的 办法。It had no effect except to make her angry.这毫无结果,只能惹她生气 。He did nothing for them save givethem some old clothes.除了给他们些旧衣服外,他没有为他们做什 么。4 .作宾语补足语I wrote him to come at once.我写信要他马上来。He likes his wife to dress well.他喜欢妻子穿得漂亮。I dont
32、 want there to be anothermistake.我不想再出现错误。I like there to be a park here.我喜欢这里有一个公园。I dont like them to be foolingaround.我不喜欢他们四处游荡。I wished for the dictionary to berevised.我希望这本词典修订一下。All depends upon her not to loseheart.一切都在她不灰心。Ive arranged for the ship to beunloaded.我已安排卸船。What caused her to gi
33、ve up herstudies?什么使她辍学?He proved himself to be a hero.他证明自己是个英雄。Ill get someone to do it for you.我将找人帮你做这件事。She asked me to answer the phone in her absence.她要我在她不在的时 候接电话。The company advertised for a doctor of philosophy to be the editor-in-chief.这家公司登广告聘用一名哲学博士担任主编。I prefer him not to come.我宁愿他不来。
34、I wish it to be finished beforeFriday.我希望这工作在星期五之前完成。I understood her to say she wouldcooperate.我理解她说的意思是愿意合 作。I couldnt bear her to beunhappy.她不幸福,这我受不 了。She meant him to paint the doorwhite.她的意思是让他把门漆成白色。He promised me to decorate thehouse.他答应我装修房子。Bill thought the pen to belong toJohn.比尔以为这支钢笔属于约
35、翰。The situation requires (of)us to quicken our economic reform.形势要求 我们加快经济改革。They taught me to be strong and follow my heart.他们教我学会坚强,学 会听从自己的心声。The baby wants to be born and she wants it to be born.娃娃想出来,她也 想把娃娃生出来。In many shops, the customer had to wait for someone to wait uponhim.在 许多商店,顾客得静候店员的招
36、呼。She e-mailed him to make a move to resolve the dispute.她给他发了 电 子邮件,要他采取行动来解决争端。下列表示“指示,愿望,感觉”等的动词(短语)后可用不定式作宾语补 足语:challenge, drive, enable,forbid, hate, inform, 1 汰e, mean, recommend, require, tempt,accustom, appoint, assign, assist, authorize, bid (sb.to do, sb.do),bribe, bring,callon, coax, coe
37、rce, commission, condemn, empower, entice, entitle, equip, fit, have (sb.do), impel, implore, incite, induce, motion to, wish for, depend upon, telephone, advertise for, arrange for, let (sb. do), listen to (sb.do), look at (sb. do), make (sb.do), oblige, prompt,send,sentence, sign, train, worry, in
38、spire, lead, bear, promise, wait for, ask 要求,request 要求,tell 告诉,invite 邀请,force 迫使,compel 迫使,press迫使,get使得,cause引起，beg乞求,wish希望,prefer 宁愿,want 想要,intend 打算,expect 期望,encourage 鼓励,advise 劝告,persuade说服,instruct 指示,allow 允许,permit 允许,remind 提醒，urge 激励,order 命令,command命令,warn警告,trouble麻烦，等。【提示】dislike不可
39、接不定式作宾语补足语,但should dislike则可以。例如: 我不喜欢学生抽烟。I dislike the students to smoke.xI should dislike the students to smoke.v2know后可接不定式作宾语补足语。例如:I know him to be a good worker.我知道他做起事来是一把好手。I know this to be a fact.我知道这是桩事实。I have not known anything like this to happen before.我从没听说发生过 这样的事。Ive never known J
40、ohn to tell alie.我从没听说过约翰撒谎。Did you ever know him to say hed been ill?你曾经听他说过他病了 吗?hope, demand后面不能接动词不定式作宾语补足语（参阅有关章节）。 例如:他希望妹妹能帮一把。He hoped his sister to lend him a hand.XHe hoped that his sister would lend him a hand.v他要我放弃那个机会。He demanded me to give up thechance.xHe demanded that I give up the
41、chance.vsuggest后一般不接动词不定式作宾语补足语。例如:I suggested him not to go therealone.（不说）I suggested that he not go therealone.Y我建议他不要单独去那里。但见过这样的句子:She suggested a specialcommittee to work on a new plan.她提议成立一个特别委员会来制订 个新计划。（不定式可以看作表示目的）动见! decide, discover, explain, consider, ask, find out, forget, know, imagi
42、ne, learn, observe, remember, tell, show, think, understand, wonder 等后可以接how/who/whom/what/when/whieh/where/whether+to 不 定式作宾语。“连接代词/副词+to不定式结构还可以作主语、主语 补语、介词宾语或定语等。例如:I know how to start the machine.我知道怎样开动这台机器。I wonder who to invite.我想知道要邀请谁。I must think what to do next.我必须计划下下步做什么。Ive forgotten w
43、here to put it.我忘了把它放在哪里了。Harold is teaching me how to play the guitar.哈罗德在教我如何弹吉他。 She asked me which to buy.她问我买哪个。She doesnt understand how to look after him.她不懂得如何照顾他。 Please remind me when to pay the bill.请提醒我什么时候付账单。I cant decide whom to invite.我决定不了邀请谁。You ought to learn how to bepatient.你应该学
44、会怎样保持耐心。You must not forget when to keepsilent.你不能忘了什么时候该沉默。Hell soon find out how to drive the car.他不久就会学会开车的。They debated when to take avote.他们争论着何时投票。Notice how to draw a horse inmotion.注意怎样画奔跑中的马。Lets inquire how to get there.我们问 下怎样去那里。I have to consider what to donext.我将考虑下步该怎么做。You should cho
45、ose where to eat.你来选择在哪里吃饭吧。I cant remember how to getthere.我记不起怎样到那儿的了。We still have to arrange how to get home.我们还必须安排好怎样回家。Only the hunter could say where to find water.只有猎人知道哪里能找至 水。Please demonstrate how to do the experiment.该演示一下如何做这个实 验。Ive shown him how to work the coffee machine.我给他不范如何使用这
46、台咖啡机。Please inform us how to find Dr.Browns house.请告诉我们如何才能找到布朗博士的房子。If you watch carefully,you will see how to do it.如果你注意看,你就会 看明白这东西怎么做。She sat by the artist and observed how to paint a field and some trees.她 坐在那位艺术家身旁,观察着怎样画田野和田野上的些树。动见! feel, suppose, prove, imagine, find,declare, consider, jud
47、ge, guess, assert, esteem,believe等后的宾语补足语常是“tobe或to have+过去分 词形式（参阅有关章节）。例如:I should guess her to be around thirty years old.我猜想她大约 30 岁 She esteems herself to be lucky.她自认为是幸运的。I declare the story to be false.我断言这个说法是虚假的。I judged him to have been agambler.我判断他曾是个赌徒。5 .作定语!动词不定式与其所修饰的词之间可有主谓关系或动宾关系;表示动 宾关系时,如果该不定式是不及物动词,或者该不定式本身有宾语, 其后应有必要的介词The man to help you is Mr.Smith.愿意帮助你的人是史密斯先生。（主谓 关系）I have a paper to proofread.我有一篇文章要校对。（动宾关系）He is a pleasant fellow to workwith.他是个很好共事的人。She bought a bookshelf to put her books on.她买 了一个书架放书。She has a room to live in.她有一个房间住。He has