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动词不定式专项训练A. to solveB. to be solveC. being solvedD. solvingA. for her to returnB. that she must returnC. her returningD. of him to returnA. costs... to getB. costs... gettingC. takes... to getD. takes... gettingA. to explainB. to have been explainedC. to be explainedD. to be explainingA. to learnB. to be learningC. to have learnedD. to have been learningKeys: 1-5 A A C C C专项练习1.The flu is believed_______ by viruses that like to reproduce in the cells inside the human nose and throat.A. causingB. being causedC. to be causedD. to have been caused2.There is a new problem involved in the popularity of private cars road conditions needA. that. .. to be improvedB. which ... to be improvedC. where. . . to be improvingD. when.. . improving3.Remember_________the magazine when you have finished reading it.A. putting backB. having put backC. to put backD. will put back4.—I'm sorry I forgot________ your dictionary.—Let's use Li Hua's.A. to takeB. takingC. to bringD. bringingA. to do whatB. what to doC. doing whatD. what doingA. writing... phoningB. to write. . . to phoneC. writing... to phoneD. to write. . . phoning7.Tom is always forgetting things he has done. Yesterday, he forgot and looked for it eve-rywhere.A. to post the letterB. to have the letter postedC. to having posted the letterD. having posted the letterA. to be notB. not to beC. not beingD. being not9.My brother regretted _______ a lecture given by Prof. Wang.A. missingB. to missC. missedD. being missing10.I regret _______ you that we are unable to offer you a job.A. informingB. having informedC. to informD. to informing11.He felt tired with typing the lecture. So he stopped_______ a short break.A. havingB. to haveC. takingD. to taking12.In order to gain a bigger share in the international market, many state-run companies arestriving their products more competitive.A. to makeB. makingC. to have madeD. having madeA. to sit... weptB. to sit. .. weepingC. sit... weptD. sat. . . weeping14.—You have come just in time tohelp us.—Fine. What needs________________________?A. I doB. doneC. to be doneD. to do15.That evening, he set about_________ t he report_______ the next morning.A. write... to hand inB. to write.. . handing inC. written... to hand inD. writing... to be handed in16.There seemed nothing ________ to do but ________ f or the doctor.A. leave... sendB. left... to sendC. left... sendD. leaving... send17.Do you think it difficult________ a dolphin ________ ?A. to train... jumpingB. training... for jumpingC. to train... jumpD. to train... to jump18.I prefer _______ rather than_______ .A. to do some reading... watching TVB. doing some reading... watching TVC. to do some reading... watch TVD. doing some reading... to watch TV19.The two boys pretended _________ v ery hard, though they did nothing.A. studyB. studyingC. to be studiedD. to be studying Keys: 1-5 CACCB6-10 CDBAC 11-15 BAB CD 16-19CDCD专项练习1.An army spokesman stressed that all the soldiers had been ordered clear warnings before firing any shots.A. to issueB. being issuedC. to have issuedD. to beissuedA. practise to singB. practise singingC. to practise to singD. to practise singing3.—What can we do to help Li Ming?A. making him to realizeB. making him realizeC. to make him realizeD. to make him to realizeA. disappearB. to disappearC. disappearingD. disappearedA. to writeB. writtenC. writeD. writingA. madeB. to makeC. makingD. to be makingA. saysB. sayingC. sayD. saidA. give upB. giving upC. to give upD. to giving upA. to commentB. commentC. to commentingD. being commentedA. reciteB. recitedC. recitingD. to reciteA. repeat the question againB. repeating the questionC. to repeating the questionD. to repeat the questionA. to be destroyedB. to have been destroyedC. to be destroyingD. to have been destroyingA. to go alongB. going alongC. went alongD. will goalongA. to get it to startB. get it startD. getting it startedC. to get it startedA. to sweepB. to be sweptC. should sweepD. being swept Keys:1-5 ADC AC6-10 CCCBA 11-15 DBACB1.—I'd like to buy a car made in Shanghai.—Okay, Sir. You have several models ________ .A. to chooseB. to be chosen fromC. to choose fromD. for choosing2.It's time________ rice.A. for transplantB. of transplantingC. to transplantD. to transplanting3.It is a very difficult problem. I need a few days_________ .A. of thinking over itB. to think it overC. of thinking it overD. to think over it4.People need homes _______ and food ________ .A. to live... to eatB. to live in... to eatC. live. . . to eatD. to live in... to eat for5.Columbus was the first _________ t he New Continent.A. to have discoveredB. to discoverC. discoveringD. having discovered Keys:1-5 CCBBB专项练习A. for the family to liveB. for the family to live inC. that the family can't live inD. that the family can't liveA. so everyone to understandB. for every one understoodC. for everyone to understandD. for understandingA. to get along withB. to get alongC. to be got along withD. to getting along withA. for us in followingB. for us to be followedC. to be followedD. for us to followA. to drink itB. to be drunkC. to drinkD. to be drinkingA. to seeB. for to seeC. for seeingD. seeing7. _______ , I don't want to argue with them about the matter.A. To tell you the truthB. Telling the truthC. Having told you the truthD. Out of the truthA. to not frightenB. so as not to frightenC. in order to not frightenD. for not frighteningA. showing me the wayB. as to show me the wayC. to show me the wayD. so you can show me the wayA. to leaveB. that he leavesC. as to leaveD. leavingKeys:1-5 BCADC6-10 AABCC专项练习vi. 不定式的时态与语态意义1. 不定式的时态意义1)一般式：不定式的动作与谓语动词的动作同时发生或是在其后发生。
初中英语动词不定式讲解试题和答案一、作主语，可以用it代替，it叫形式主语，动词不定式放在后面叫真正主语1．To learn a foreign language is not easy.It is not easy to learn a foreign language.2. It’s dangerous to drive very fast.二、作表语My idea is to ring him up at once. 我的想法是马上给他打电话。
如果主语部分含实义动词do，且作表语的动词又是“do”的内容，这时表语不定式的“to”可以省略。
如：All I did was wait here. 我能做的就是在这里等。
三、常可接动词不定式作宾语的动词有：agree(同意), hope(希望), decide(决定), need(需要), mean(打算), wish(希望), fail(失败), want(想要), begin(开始), would like(想要)等。
He has decided to go to the countryside. 他已决心去乡下。
四、“疑问词+ 动词不定式”结构可以作动词know、think、find out等的宾语。
I don’t know who to ask. 我真不知道该问谁。
五、“疑问词+ 动词不定式”可以作动词show、teach、ask等后面的直接宾语。
She told me where to find the earphone. 她告诉我什么地方可以找到耳机。
六、如果宾语太长，可用it作形式宾语，构成“主语+ 谓语+ it + 宾语不足语(名词或形容词) + to do sth”结构，谓语动词常为find、think、feel等。
I found it difficult to stop him. 我发现拦截他很困难。
七、动词不定式可以作介词的宾语。
英语语法------ 疑问词+不定式一、基本用法说明疑问词what, which, who, when, where, how及连接副词whether与不定式连用而形成一个短语，这个短语相当于一个名词，可在句中做句子的主语、宾语或表语等。
如：1. 作主语。
如：What to do is not decided yet. 该做什么还没有确定。
How to begin is more difficult than where to stop. 如何开始比到哪里停止还困难。
2. 作宾语。
如：Do you know when to start? 你知道什么时候开始吗？I showed her which button to press. 我告诉她应该按哪一个按钮。
有时还可用于介词后作宾语。
如：I found a book on how to avoid having a heart attack.我找到一本书谈如何避免心脏病复发。
She was worried about how to fill her leisure time.她为如何打发她的闲暇时间而发愁。
3. 作表语。
如：The question is how to carry out the plan. 问题是怎样执行这个计划。
The difficulty was how to cross the river. 困难在于如何过河。
二、“疑问词+不定式(短语)”是一个很有用的结构，它的作用相当于一个名词性从句，通常在某些动词(如tell, know, imagine, learn, decided, forget, remember, consider, understa nd等)后面做宾语，有时也用作主语、表语、同位语等。
如：He didn’t know how to answer her. 他不知道该怎样回答她。
When to start has not been decided. 何时动身尚未决定。
初二英法：不定式解及一..不定式的构成： to+ 原形二不定式的特点：不定式不能够独作，没有人称和数的化，不定式具有名，形容，和副的特点，能够在句子中作主，表，。
足，定，和状。
将用法以下。
〔一〕、不定式作主不定式作主，能够直接放在前面的主地址，也能够用先行it 作形式主，而将真正的主 (不定式 )置于后边。
常的句式有：(1)It is +形容 (of sb)to do sth.(2)It is +名 (for sb)to do sth(3)It takes sb some time to do sth(4)It is +形容 (for sb)to do sth. 句式注意：当不定式作主的句子中又有一个不定式作表，不能够用It is⋯ to ⋯的句型( )To see is to believe.百不如一。
( )It is to believe to see.It's for sb. 和 It's of sb.1) for sb. 常用于表示事物的特点特点，表示客形式的形容，如impossible 等：It's very hard for him to study two languages.他来学两外是很的。
2) of sb 的句型一般用表示人物的性格，道德，表示主感情或度的形容，right 。
easy, hard, d ifficult,interesting,如 good, kind, nice, clever, foolish,It's very nice of you to help me.你来帮助我，你真是太好了。
〔二〕、不定式作1.He wants to buy some vegetables.2.Don't forget to bringyour homework with you when you come to school.3.He found it very difficult ______.常接不定式作的;want ， like， agree， hope ， wish ， learn ， begin ， start ， seem， decide ，hate， choose， forget ， remember等后边，能够接不定式作。
高考英语不定式语法复习（真题+讲解）(WORD版本试题+名师解析答案，建议下载练习)1.（真题陕西高考）After receiving the Oscar for Best Supporting Actress, Anne Benedict went on _________all the people who had helped in her career.A. to thankB. thankingC. having thankedD. to have thanked2. （真题湖南高考）Sometimes I act as listening ear for fellow students _______ what is bothering themA. to talk overB. talked overC. talk overD. having talked over3. （真题福建高考）________ more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.A. LearnB. LearnedC. To learnD. To be learning4. （真题北京高考）_____the early flight，we ordered a taxi in advance and got up very early.A. CatchingB. CaughtC. To catchD. CatchA. operatingB. to be operatingC. operatedD. to operate6. Tom took a taxi to the airport, only ____ his plane high up in the sky.A. findingB. to findC. being foundD. to have found7. If he takes on this work, he will have no choice but ______ an even greater challenge.A. meetsB. meetingC. meetD. to meet8. Birds’ singing is sometimes a warning to other birds ________ away.A. to stayB. stayingC. stayedD. stay9. George returned after the war, only _______ that his wife had left him.A. to be toldB. tellingC. being toldD. told10.No matter how bright a talker you are, there are times when it's betterA. remainB. be remainingC. having remainedD. to remainA. lockingB. to lockC. having lockedD. to have locked答案与解析1. A。
初中英语动词不定式用法动词不定式是由“不定式符号动词原形”构成的一种非谓语动词结构。
有些动词不定式不带，动词不定式可以作句子的主语、表语、宾语、定语、补语、状语或单独使用。
不定式保留动词的某些特性，可以有自己的宾语、状语等。
动词不定式和它后面的宾语、状语等一起构成短语，叫作不定式短语。
一、用作主语直接把动词不定式置于句首的情况不多，多数情况用作形式主语，把真正的主语——动词不定式置于句末，特别是不定式短语较长时。
动词不定式作主语，谓语动词用第三人称单数形式。
带疑问词的不定式短语作主语常置于句首，复合不定式结构作主语常置于句末。
如：1. I t .2 .3 .4 .(眼见为实；百闻不如一见)二、用作表语动词不定式作表语，常说明主语的内容、性质、特征。
如：1 .2 .三、用作宾语1.可以接带的动词不定式作宾语的动词主要有：要求选择同意(, , )，期望决定学习(, , , )，宁可假装知道(, , )，希望想要愿意(, , / )。
如：1) .2) .3) Mexico.2.动词, , , , , ...，介词结构...可用疑问词带的不定式短语作宾语，但后面的不定式不带。
如：1)2) .3.动词, , , 等后面，可以用作形式宾语代替真正的宾语——动词不定式，句子结构是 / / / ... . / ...。
如：I .4.既可接动词不定式又可接形式作宾语，意思差别不太大的动词有, , , 等。
一般说来，动词不定式表一次、数次的具体动作、将来动作或动作的全过程，形式表习惯性的连续动作。
但是这种区别并不很严格，特别是美国英语，即使是习惯性的动作也可以用动词不定式。
如：1) I .2) I .用了进行时态，后面只接不定式作宾语，表示事情刚开始，还要继续下去。
3) I .感知动词, , 等一般不用进行时态。
5.后接动词不定式或形式作宾语，意思差别较大的动词有, 等。
后接不定式作宾语，表动作尚未发生；后接形式作宾语，表动作已经发生。
疑问词＋不定式结构用法详解一、“疑问词＋不定式”结构中的疑问词包括who, what, which（疑问代词）和how, when, where, why（疑问副词）等。
这些疑问词和不定式一起构成了不定式短语，在句中可以作主语、宾语、表语和宾语补足语等。
如：I really don”t know what to write about. 我实在不知道该写些什么。
The problem is where to put this computer.问题是该把这台计算机放在哪儿才好。
I asked him how to learn English well.我问他如何才能学好英语。
二、“疑问词＋不定式”结构相当于一个名词性从句，所以常常可以用同等成分的从句来代替。
改写时只需在疑问词之后加上恰当的主语，并将不定式短语变成适当形式的谓语。
如上述句子可以分别改写为：I really don”t know what I should write about.The problem is where we should put this computer.I asked him how I could learn English well.三、“疑问词＋不定式”结构经常放在tell, show, teach, learn, know, discuss, remember, forget, find out, wonder等动词的后面作宾语。
The teacher taught the students how to do the experiment.老师教学生们如何做这个实验。
The young woman doesn”t know what to do.那位年轻女子不知道怎么办才好。
The farmers showed us how to plant trees.农民们给我们示范怎样植树。
［注意］“疑问词＋不定式”结构还可以用于独立问句。
初中英语语法（动词不定式）1．不定式的基本形式与结构动词不定式指通常由to加上动词原形(如to write) 所构成的一种非限定性动词形式，但在有些情况下to可以省略。
动词不定式有进行体和完成体(如上to be writing，to have written)，也有被动态(如to be written)，所有的主动词，不论是及物动词还是不及物动词，也不论是动作动词还是状态动词，都有不定式形式。
助动词除be和have外，没有不定式形式。
动词不定式在语法功能上可作主语、宾语、表语、定语和状语。
2．不定式的用法1)不定式结构作主语1.Te get contact with his family in Taiwan made him extremely happy since they separated more than 40 years ago．2.To finish that task in such a short time is really a challenge．在上述情况下，如果不定式较长，显得头重脚轻，则可由代词让作形式主语(形式主语it不可由that或this等其他代词代替)，而将不定式放到后面。
如：1.It made him extremely happy to get contact with his family in Taiwan since they separated more than 40 years ago．2.John admitted that it is always difficult for him to be on time．不定式结构所表示的动作是谁做的，即不定式的逻辑主语，通常可以通过for sb. to do sth. 结构表达：1.It is quite important for us to read good books during a general review．2.It is not difficult fot those talented students to pass the exam.在某些形容词(如careless，clever，considerate，foolish，good，impolite，kind，naughty，nice，silly，stupid等)作表语时，不定式后可以加of来引导出其逻辑主语：1.It is very kind of you to tell me the truth．2.It is stupid of him to do such a silly thing．2)不定式作宾语不定式作宾语有两种：一种是及物动词后直接跟带to的不定式，另一种是“及物动词+疑问词+带to的不定式。
一、不定式的句法功能1. 作主语：To see is to believe. It is quite right for you to give up smoking right away.2. 作宾语：He wanted to go. I find it interesting to study spoken English by watching movies.3. 作表语：To be kind to the enemy is to be cruel to the people.What I would suggest is to put off the meeting.4. 作宾语补足语：He asked me to do the work with him together.5. 作定语：He is looking for a room to live in.6. 作状语：We were very excited to see you. (原因)He hurried to the school only to find nobody there. (结果)To stay with her for a while, you would find her a very kind lady. (条件)I came here to see you. (目的)In order to pass the exam, he worked very hard. (目的)Would you be so kind as to tell me the time? (结果)We ran all the way so as not to be late for the concert. (目的)7. 作主语补足语：Byron is said to have lived on vinegar and potatoes．The bank is reported in the local newspaper to have been robbed in broad daylight yesterday.1. 一般式表示不定式的动作与谓语动词的动作同时或在谓语动词动作之后发生。
专题02 疑问词+不定式作宾语和情态动词must, have to（复习八下）目录考点聚焦：核心考点+中考考点，有的放矢重点速记：知识点和关键点梳理，查漏补缺难点强化：难点内容标注与讲解，能力提升学以致用：真题感知+提升专练，全面突破核心考点聚焦1、疑问词+不定式作宾语2、情态动词must, have to用法一、疑问词+不定式作宾语宾语从句与简单句的转换：当宾语从句的主语与主句的主语相同时，从句可以简化为“疑问词+不定式” 结构。
如：I don’t know what I should do next. =I don’t know what to do next. 我不知道接下来要做什么。
注意：疑问词what, which, who, when, where, how及连接副词whether与不定式（to do）连用而形成一个短语，这个短语相当于一个名词，可在句中做句子宾语。
Do you know when to start?你知道什么时候开始吗？I showed her which button to press.我告诉她应该按哪一个按钮。
有时还可用于介词后作宾语。
I found a book on how to avoid having a heart attack.我找到一本书谈如何避免心脏病复发。
She was worried about how to fill her leisure time.她为如何打发她的闲暇时间而发愁。
二、情态动词must, have to（1）must 表示主观看法，意为“必须、一定”。
如：You must stay here until I e back.在我回来之前你必须呆在这儿。
注意区分must 和have to 的区别：1. must 侧重说话者的主观看法，认为有必要有义务去做某事。
have to侧重于客观需要，含有“不得不，被迫”之意。
如：My bike was broken yesterday, so I had to walk to school. 昨天我的自行车坏了，所以我只能走路去学校。
英语语法------ 疑问词+不定式一、基本用法说明疑问词what, which, who, when, where, how及连接副词whether与不定式连用而形成一个短语，这个短语相当于一个名词，可在句中做句子的主语、宾语或表语等。
如：1. 作主语。
如：What to do is not decided yet. 该做什么还没有确定。
How to begin is more difficult than where to stop. 如何开始比到哪里停止还困难。
2. 作宾语。
如：Do you know when to start? 你知道什么时候开始吗？I showed her which button to press. 我告诉她应该按哪一个按钮。
有时还可用于介词后作宾语。
如：I found a book on how to avoid having a heart attack.我找到一本书谈如何避免心脏病复发。
She was worried about how to fill her leisure time.她为如何打发她的闲暇时间而发愁。
3. 作表语。
如：The question is how to carry out the plan. 问题是怎样执行这个计划。
The difficulty was how to cross the river. 困难在于如何过河。
二、“疑问词+不定式(短语)”是一个很有用的结构，它的作用相当于一个名词性从句，通常在某些动词(如tell, know, imagine, learn, decided, forget, remember, consider, un derstand等)后面做宾语，有时也用作主语、表语、同位语等。
如：He didn’t know how to answer her. 他不知道该怎样回答她。
When to start has not been decided. 何时动身尚未决定。
I don’t know who to ask advice from. 我不知道应向谁征求意见。
Would you please advise me which to buy? 你能否告诉我该买哪一个才好?Please explain (to me) where to begin and how to do it. 请 (给我)解释该从哪里开始及该怎么做。
They exchanged views on the question of whom to elect. 他们就该选谁的问题交换了意见。
注意：按英语习惯，疑问词why后面通常不接不定式。
但在以why或why not 开头的省略型疑问句中，其后可跟不带to 的不定式。
如：Why get upset just because you got a bad mark? 何必因为没有考好就想不开呢? You’re looking tired. Why not take a holiday? 你一脸倦容，怎么不休假呢?三、五个易错点易错一：是否用于疑问词why之后按英语习惯，有一个疑问词不能用于“疑问词+不定式”结构，就是why。
如：我不明白为什么马上就走。
误：I don’t know why to leave at once.正：I don’t know why we must leave at once.why后面可以跟不带to的动词不定式(即动词原形)，用以表示某动作是不必要的或无意义的。
如：Why pay more at other shops? We have the best value. 为什么花更多的钱到其他商店去买呢? 我们这里最物美价廉。
另，why后面不带to的动词不定式有时也可能是否定的，该结构主要用来提出建议。
如：You’re looking tired. Why not take a holiday? 你一脸倦容，怎么不休假呢?易错二：与动词think连用有何特别之处“疑问词+不定式”结构，通常不用于动词think的现在式和过去式之后，但可以用于think的其他形式之后（如进行式）。
如：I’m thinking what to do next. 我在想接下来要做什么。
另外，“疑问词+不定式”结构也通常用于还有助动词的think之后。
如：She couldn’t think what to say. 她想不出该说什么。
She couldn’t think what to give the children for Christmas. 她想不出圣诞节该送孩子们什么礼物。
易错三：与动词know连用要注意什么当要表示知道如何做某事，know之后不能直接跟动词不定式作宾语，此时可改用know how to结构。
如：我会做西班牙式的摊鸡蛋。
误：I know to make Spanish omelettes.正：I know how to make Spanish omelettes.易错四：与某些只接动名词作宾语的动词连用有些动词可以接“疑问词+不定式”作宾语，但通常不直接跟不定式作宾语。
这类动词主要有consider (考虑), discover (发现), discuss (讨论), explain (说明), find (out) (查到), know (知道), observe (观察), suggest (提议), wonder (怀疑),understand (了解)等。
如：Have you considered how to get there? 你是否考虑过如何到那儿去?Our teacher explained how to use the machine. 老师向我们说明如何使用这台机器。
We discussed what to do and where we should go. 我们讨论了该怎么办及到哪里去。
你能说明一下蛋糕的做法吗?误：Can you explain to make a cake?正：Can you explain how to make a cake易错五：which to do 的两种用法要注意“which+不定式”结构，其中的which有时是疑问词。
如：I can’t decide which to choose. 我不能决定选哪个好。
Did you ask her which to buy? 你问没问她该买哪一个?有时可能是关系代词，相当于一个省略的定语从句，此时主要用于介词后作宾语。
如：She must have time in which to grow calm. 她必须有冷静下来的时间。
Allow me one minute in which to change my costumes. 给我一点时间来卸装。
这两句中的which to…也可改为定语从句：She must have time in which she can grow calm.Allow me one minute in which I can change my costumes.巩固练习一．选择1. Mr. Wu advised us _____to choose in this shop.A. whichB. from whichC. whatD. how2. The students do not know _______this math problem.A. how to deal withB. what to doC. how to do withD. what to deal with3. Xiao Ming has explained ____ late for class to his teacher.A. why to beB. why he wasC. that he wasD. why be4. Are you sure___?A. how to work it outB. how to work out itC. what to work out itD. what to work it out5. He didn’t think ____ was easy.A. who to chooseB. choosing a personC. chose a person6. He did not say ___ for help.A. whose to askB. whom to askC. which to askD. what to ask二、填空1. ___________ is a question．该怎样做倒是一个问题。
(作主语)2. I really don't know ____________________．我实在不知道该写些什么.（作动词宾语）3. We must first solve the problem of____________________．我们必须首先解决为谁服务的问题.（作介词宾语）4. The question is ____________________．问题是该把它放在哪儿才好.（作表语）5. I asked him________________________．我问他如何学习英语.（作宾语补足语）6. The teacher told the students _______________ the experiment．老师教学生如何做实验。
7. The young woman doesn't know____________________ ．那位年轻女子不知道怎么办.8. He tells me______________________ all the questions in English．他告诉我怎样用英语回答所有的问题.9. ______________ is unknown．何时动身还不知道.10. I forgot ___________ ．我忘了该怎么办.11. I can tell you __________________ ．我可以告诉你哪里可以买到此书.Key:1. How to do it2. what to write about3. whom to serve4. where to put it5. how to learn English6. how to do7. what to do 8. how to answer 9. when to start10. what to do 11. Where to buy（get）this book三、句子改写，改成“疑问词＋不定式”结构1. How we should do it is a question．2. I really don't know what I should write about．3. We must first solve the problem of whom we should serve．4. The question is where we should put it．5. I asked him how we should learn English．四、用“疑问词＋不定式”完成下列句子.1. How we should do it was discussed last night．___________________ was discussed last night．2. I didn't know where I should go．I didn't know ____________________ ．3. The difficulty was how we should cross the river．The difficulty was _____________________________ ．Keys：1. How to do it 2. where to go 3. how to cross the river欢迎您的下载，资料仅供参考！致力为企业和个人提供合同协议，策划案计划书，学习资料等等打造全网一站式需求。
