问题描述：
什么词可以接动词不定式
问题解答：
我来补答
[编辑本段][动词不定式的语法功能]
一、作主语
动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种：
(1)把不定式置于句首.如：
To get there by bike will take us half an hour.
(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中.如：
①It＋be＋名词＋to do
It's our duty to take good care of the old.
②It takes sb+some time+to do
How long did it take you to finish the work?
③It＋be＋形容词＋for sb＋to do
It is difficult for us to finish writing the compositionin a quarter of an hour.
④It＋be＋形容词＋of sb＋to do
It is stupid of you to write down everything the teachersays.
⑤It seems(appears)＋形容词＋to do
It seemed impossible to save money.
在句型③中,常用表示客观情况的形容词,如：difficult,easy,hard,important,impossible,necessary 等；在句型④中,常用careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise等 表示赞扬或批评的词.在不定式前的sb,可看作其逻辑主语.这一句式有时相当于Sb is＋形容词＋to do句式 ,如：It'skind of you to help me with my English.=You are kind to helpme with my English.
(3)举例
1） It's easy (for me) to do that.我做这事太容易了
easy, difficult, hard, important, possible, impossible, comfortable, necessary, better;
the first, the next, the last, the best, too much, too little, not enough
It's so nice to hear your voice.
听到你的声音真高兴.
It's necessary for you to lock the car when you do not use it.
当你不用车的时候,锁车是有必要的.
2) It's very kind of him to help us. 他帮助我们,他真好.
Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考虑周到的), silly, selfish(自私的)
例句:
It was silly of us to believe him. 我们真愚蠢,竟然相信了他.
It seemed selfish of him not to give them anything. 他不给他们任何东西,这显得太自私了.
注意：1) 其他系动词如,look,appear等也可用于此句型
2) 不定式作为句子成分时,动词用单数形式.
3) 当不定式作主语的句子中又有一个不定式作表语时,不能用It is… to…的句型
(对)To see is to believe. 百闻不如一见.
(错)It is to believe to see.
二、作宾语
1) 以下动词后,只能跟不定式作宾语
afford （付得起）,agree（同意）,aim(力求做到), appear（显得）,arrange（安排）,ask（要求）,attempt （试图）,care（想要）,choose（决定）,claim（声称）,condescend（屈尊）,consent（准许）,decide（决定）,demand（要求）,determine（决心）,endeavor（竭力）,expect（期待）,fail（未履行）,help（帮助）,hesitate（犹豫）,hope（希望）,learn（学会）,manage（设法）,neglect（疏忽）,offer（主动提出）,plan（计划）,prepare（准备）,pretend（假装）,proceed（接着做）,promise（答应）,prove（证明）,refuse（拒绝）,resolve（解决）,seem（觉得好像）,swear（发誓）,tend（往往会）,threaten（预示）,undertake（承诺）,volunteer（自愿做）,vow（发誓）,want（想要）,wish（希望） pretend
举例：
The driver failed to see the other car in time.
司机没能及时看见另一辆车.
I happen to know the answer to your question.
我碰巧知道你那道问题的答案.
2） 动词+疑问词+ 不定式
decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell
Please show us how to do that. 请演示给我们如何去做.
There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有这么多的录音机,我都拿不定主意买哪一种.
注意:疑问词带不定式在句中作成分时,谓语动词用单数.
The question is how to put it into practice.
问题是怎样把它付诸实施.
3)当复合宾语中的宾语是不定式时,先用形式宾语it代替不定式,把不定式置于补语之后,即：主语＋动 词＋it＋补语＋to do句式.如：
We think it quite important for us to learn a foreignlanguage well.
He feels it his duty to help the poor.
I find it difficult to learn English well.
三、作补语
1) 动词+宾语+不定式(to do)
advise allow appoint believe cause challenge command compel consider declare drive enable encourage find forbid force guess hire imagine impel induce inform instruct invite judge know like order permit persuade remind report request require select send state suppose tell think train trust understand urge warn
例句：
a. Father will not allow us to play on the street.
父亲不让我们在街上玩耍.
b. We believe him to be guilty.
我们相信他是有罪的.
Find 的特殊用法：
Find 后可用分词做宾补,或先加形式宾语,再加形容词,最后加带to 的动词不定式.find后也可带一个从句.此类动词还有get,have.
I found him lying on the ground.
I found it important to learn.
I found that to learn English is important.
典型例题:
The next morning she found the man ___ in bed,dead.
A. lying B. lie C. lay D. laying
答案：A.find的宾语后面,用分词或分词短语,起宾语补足语作用.现在分词表达主动,也表达正在进行,过去分词表达被动.
2) to + be 的不定式结构,作补语的动词.
Acknowledge, believe, consider, think, declare(声称), discover, fancy(设想), feel find, guess, judge, imagine, know, prove, see(理解), show, suppose, take(以为), understand
We consider Tom to be one of the best students in our class.
我们认为汤姆是班上最好的学生之一.
典型例题
Charles Babbage is generally considered ___ the first computer.
A. to invent B. inventing C. to have invented D. having invented
答案：A. 由consider to dosth. 排除B、D.. 此句只说明发明这一个事实,不定式后用原形即可.而C为现在完成时,发明为点动词一般不用完成时,且此处也不强调对现在的影响,因此不选C.
3) to be +形容词
Seem, appear, be said, be supposed, be believed, be thought, be known, be reported, hope, wish, desire, want, plan, expect, mean…
The book is believed to be uninteresting.
人们认为这本书没什么意思.
4) there be+不定式
believe, expect, intend, like, love, mean, prefer, want, wish, undrstand
We didn't expect there to be so many people there.我们没料到会有那么多人在哪里.
有些动词需用as 短语做补语,如regard, think believe, take, consider.
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.
四、作表语
不定式作表语表示具体动作或将来动作；动名词作表语表示抽象的一般行为.
①To be kind to the enemy is to be cruel to the people.
②My chief purpose is to point out the difficulties of the matter.
③What I would suggest is to put off the meeting.
当主语和表语都是不定式时,其含义一是条件,一是结果（例①）.当主语是aim,duty,hope,idea,mista ke,plan,purpose,suggestion等为中心词的名词词组（例②）时,或以what引导的名词性分句（例③）,不定 式说明主语的内容.
④Our work is serving the people.
⑤What he likes is taking a walk after supper.
⑥The story told by Mr.Wang is interesting.
④⑤句动名词作表语,与主语部分可以转换,如Serving thepeople is our work,而⑥句中是现在分词作 表语,说明主语的性质、状态,现在分词具有形容词的各种特征,另外,动名词作表语还应与进行时态区别开 来.
五、作状语
1）目的状语
To… only to (仅仅为了), in order to, so as to, so(such)… as to… (如此……以便……)
He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车.
I come here only to say good-bye to you. 我来仅仅是向你告别.
2）作结果状语,表事先没有预料到的,要放在句子后面.
What have I said to make you angry.
He searched the room only to find nothing.
3) 表原因
I'm glad to see you.
典型例题
The chair looks rather hard, but in fact it is very comfortable to ___.
A. sit B. sit on C. be seat D. be sat on
答案：B. 如果不定式为不及物动词,其后应有必要的介词.当动词与介词连用时,常位于"形容词+动词不定式"结构的末尾.
六、作定语
⒈不定式作定语
不定式在句中作定语,置于被修饰的名词或代词之后.如：
①The next train to arrive is from Washington.
②Do you have anything to be taken to your sister?
③Do you have anything to say on the question?
④Would you please give me some paper to write on?
⑤My wish to visit France has come true at last.
不定式短语作定语和被修饰词之间表示以下关系：
(1)表示将来的动作（例①）.
(2)与被修饰词之间有动宾关系,如是不及物动词,则需加介词（例④）.
(3)与被修饰词之间有动宾关系,同时与句中其它词之间又有逻辑上的主谓关系时,尽管有被动含义,却仍 用主动语态（例③）；如只有动宾关系,而无逻辑上的主谓关系,则需用被动语态（例②）.
(4)不定式作定语时,一般可转换为定语从句,例①to arrive=that will arrive.
[编辑本段][省to 的动词不定式]
1） 情态动词 ( 除ought 外,ought to)：
2） 实意动词 let, have, make：
3） 感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补,省略to.
注意：在被动语态中则to 不能省掉.
实意动词中get除外(get sb. to sth.)
I saw him dance.
=He was seen to dance.
The boss made them work the whole night.
=They were made to work the whole night.
4） 表示个人意愿或倾向的would rather,had better,might(just) as well：rather than置于句首时.
Rather than ride on a crowded bus,he always prefers to ride a bike.
5） Why… / why not…：
6） help 可带to,也可不带to, help sb (to) do sth：
7） but和except：but前是动词do时,后面出现的动词用不带to的动词不定式.
8） 由and, or和than连接的两个不定式,第二个to 可以省去：
9） 通常在discover, imagine, suppose, think, understand等词后,可以省去to be：
He is supposed (to be) nice. 他应该是个好人.
10）but作介词,后接不定式结构时,前面谓语动词部分若含有do的形式时,but后的不定式要省去to,否则要带to.
He wants to do nothing but go out.
He wants to believe anything but to take the medicine.
11）当两个或多个不定时短语由连词and,but或or连接时,后一个或几个不定式符号to常省略.但若表示对比、对照关系时,则不能省略.
He wants to move to France and marry the girl.
The purpose of new technologies is to make life easier,not to make it more difficult.
12）不定式做表语时,一般要带to,但若主语部分中含有do的各种形式时,符号to可省去.
We've missed the last bus.All we could do now is walk home.
典型例题
1) ---- I usually go there by train.
---- Why not ___ by boat for a change?
A. to try going B. trying to go C. to try and go D. try going
答案：D. why not 后面接不带to 的不定式,因此选D.
2） Paul doesn't have to be made ___. He always works hard.
A. learn B. to learn C. learned D. learning
答案：B. make后接不带to 的动词不定式,当其用于被动时,to 不可省略.
一、作主语
动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种：
(1)把不定式置于句首.如：
To get there by bike will take us half an hour.
(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中.如：
①It＋be＋名词＋to do
It's our duty to take good care of the old.
②It takes sb+some time+to do
How long did it take you to finish the work?
③It＋be＋形容词＋for sb＋to do
It is difficult for us to finish writing the compositionin a quarter of an hour.
④It＋be＋形容词＋of sb＋to do
It is stupid of you to write down everything the teachersays.
⑤It seems(appears)＋形容词＋to do
It seemed impossible to save money.
在句型③中,常用表示客观情况的形容词,如：difficult,easy,hard,important,impossible,necessary 等；在句型④中,常用careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wise等 表示赞扬或批评的词.在不定式前的sb,可看作其逻辑主语.这一句式有时相当于Sb is＋形容词＋to do句式 ,如：It'skind of you to help me with my English.=You are kind to helpme with my English.
(3)举例
1） It's easy (for me) to do that.我做这事太容易了
easy, difficult, hard, important, possible, impossible, comfortable, necessary, better;
the first, the next, the last, the best, too much, too little, not enough
It's so nice to hear your voice.
听到你的声音真高兴.
It's necessary for you to lock the car when you do not use it.
当你不用车的时候,锁车是有必要的.
2) It's very kind of him to help us. 他帮助我们,他真好.
Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考虑周到的), silly, selfish(自私的)
例句:
It was silly of us to believe him. 我们真愚蠢,竟然相信了他.
It seemed selfish of him not to give them anything. 他不给他们任何东西,这显得太自私了.
注意：1) 其他系动词如,look,appear等也可用于此句型
2) 不定式作为句子成分时,动词用单数形式.
3) 当不定式作主语的句子中又有一个不定式作表语时,不能用It is… to…的句型
(对)To see is to believe. 百闻不如一见.
(错)It is to believe to see.
二、作宾语
1) 以下动词后,只能跟不定式作宾语
afford （付得起）,agree（同意）,aim(力求做到), appear（显得）,arrange（安排）,ask（要求）,attempt （试图）,care（想要）,choose（决定）,claim（声称）,condescend（屈尊）,consent（准许）,decide（决定）,demand（要求）,determine（决心）,endeavor（竭力）,expect（期待）,fail（未履行）,help（帮助）,hesitate（犹豫）,hope（希望）,learn（学会）,manage（设法）,neglect（疏忽）,offer（主动提出）,plan（计划）,prepare（准备）,pretend（假装）,proceed（接着做）,promise（答应）,prove（证明）,refuse（拒绝）,resolve（解决）,seem（觉得好像）,swear（发誓）,tend（往往会）,threaten（预示）,undertake（承诺）,volunteer（自愿做）,vow（发誓）,want（想要）,wish（希望） pretend
举例：
The driver failed to see the other car in time.
司机没能及时看见另一辆车.
I happen to know the answer to your question.
我碰巧知道你那道问题的答案.
2） 动词+疑问词+ 不定式
decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell
Please show us how to do that. 请演示给我们如何去做.
There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有这么多的录音机,我都拿不定主意买哪一种.
注意:疑问词带不定式在句中作成分时,谓语动词用单数.
The question is how to put it into practice.
问题是怎样把它付诸实施.
3)当复合宾语中的宾语是不定式时,先用形式宾语it代替不定式,把不定式置于补语之后,即：主语＋动 词＋it＋补语＋to do句式.如：
We think it quite important for us to learn a foreignlanguage well.
He feels it his duty to help the poor.
I find it difficult to learn English well.
三、作补语
1) 动词+宾语+不定式(to do)
advise allow appoint believe cause challenge command compel consider declare drive enable encourage find forbid force guess hire imagine impel induce inform instruct invite judge know like order permit persuade remind report request require select send state suppose tell think train trust understand urge warn
例句：
a. Father will not allow us to play on the street.
父亲不让我们在街上玩耍.
b. We believe him to be guilty.
我们相信他是有罪的.
Find 的特殊用法：
Find 后可用分词做宾补,或先加形式宾语,再加形容词,最后加带to 的动词不定式.find后也可带一个从句.此类动词还有get,have.
I found him lying on the ground.
I found it important to learn.
I found that to learn English is important.
典型例题:
The next morning she found the man ___ in bed,dead.
A. lying B. lie C. lay D. laying
答案：A.find的宾语后面,用分词或分词短语,起宾语补足语作用.现在分词表达主动,也表达正在进行,过去分词表达被动.
2) to + be 的不定式结构,作补语的动词.
Acknowledge, believe, consider, think, declare(声称), discover, fancy(设想), feel find, guess, judge, imagine, know, prove, see(理解), show, suppose, take(以为), understand
We consider Tom to be one of the best students in our class.
我们认为汤姆是班上最好的学生之一.
典型例题
Charles Babbage is generally considered ___ the first computer.
A. to invent B. inventing C. to have invented D. having invented
答案：A. 由consider to dosth. 排除B、D.. 此句只说明发明这一个事实,不定式后用原形即可.而C为现在完成时,发明为点动词一般不用完成时,且此处也不强调对现在的影响,因此不选C.
3) to be +形容词
Seem, appear, be said, be supposed, be believed, be thought, be known, be reported, hope, wish, desire, want, plan, expect, mean…
The book is believed to be uninteresting.
人们认为这本书没什么意思.
4) there be+不定式
believe, expect, intend, like, love, mean, prefer, want, wish, undrstand
We didn't expect there to be so many people there.我们没料到会有那么多人在哪里.
有些动词需用as 短语做补语,如regard, think believe, take, consider.
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.
四、作表语
不定式作表语表示具体动作或将来动作；动名词作表语表示抽象的一般行为.
①To be kind to the enemy is to be cruel to the people.
②My chief purpose is to point out the difficulties of the matter.
③What I would suggest is to put off the meeting.
当主语和表语都是不定式时,其含义一是条件,一是结果（例①）.当主语是aim,duty,hope,idea,mista ke,plan,purpose,suggestion等为中心词的名词词组（例②）时,或以what引导的名词性分句（例③）,不定 式说明主语的内容.
④Our work is serving the people.
⑤What he likes is taking a walk after supper.
⑥The story told by Mr.Wang is interesting.
④⑤句动名词作表语,与主语部分可以转换,如Serving thepeople is our work,而⑥句中是现在分词作 表语,说明主语的性质、状态,现在分词具有形容词的各种特征,另外,动名词作表语还应与进行时态区别开 来.
五、作状语
1）目的状语
To… only to (仅仅为了), in order to, so as to, so(such)… as to… (如此……以便……)
He ran so fast as to catch the first bus. 他飞快地跑以便赶上第一班车.
I come here only to say good-bye to you. 我来仅仅是向你告别.
2）作结果状语,表事先没有预料到的,要放在句子后面.
What have I said to make you angry.
He searched the room only to find nothing.
3) 表原因
I'm glad to see you.
典型例题
The chair looks rather hard, but in fact it is very comfortable to ___.
A. sit B. sit on C. be seat D. be sat on
答案：B. 如果不定式为不及物动词,其后应有必要的介词.当动词与介词连用时,常位于"形容词+动词不定式"结构的末尾.
六、作定语
⒈不定式作定语
不定式在句中作定语,置于被修饰的名词或代词之后.如：
①The next train to arrive is from Washington.
②Do you have anything to be taken to your sister?
③Do you have anything to say on the question?
④Would you please give me some paper to write on?
⑤My wish to visit France has come true at last.
不定式短语作定语和被修饰词之间表示以下关系：
(1)表示将来的动作（例①）.
(2)与被修饰词之间有动宾关系,如是不及物动词,则需加介词（例④）.
(3)与被修饰词之间有动宾关系,同时与句中其它词之间又有逻辑上的主谓关系时,尽管有被动含义,却仍 用主动语态（例③）；如只有动宾关系,而无逻辑上的主谓关系,则需用被动语态（例②）.
(4)不定式作定语时,一般可转换为定语从句,例①to arrive=that will arrive.
[编辑本段][省to 的动词不定式]
1） 情态动词 ( 除ought 外,ought to)：
2） 实意动词 let, have, make：
3） 感官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等后作宾补,省略to.
注意：在被动语态中则to 不能省掉.
实意动词中get除外(get sb. to sth.)
I saw him dance.
=He was seen to dance.
The boss made them work the whole night.
=They were made to work the whole night.
4） 表示个人意愿或倾向的would rather,had better,might(just) as well：rather than置于句首时.
Rather than ride on a crowded bus,he always prefers to ride a bike.
5） Why… / why not…：
6） help 可带to,也可不带to, help sb (to) do sth：
7） but和except：but前是动词do时,后面出现的动词用不带to的动词不定式.
8） 由and, or和than连接的两个不定式,第二个to 可以省去：
9） 通常在discover, imagine, suppose, think, understand等词后,可以省去to be：
He is supposed (to be) nice. 他应该是个好人.
10）but作介词,后接不定式结构时,前面谓语动词部分若含有do的形式时,but后的不定式要省去to,否则要带to.
He wants to do nothing but go out.
He wants to believe anything but to take the medicine.
11）当两个或多个不定时短语由连词and,but或or连接时,后一个或几个不定式符号to常省略.但若表示对比、对照关系时,则不能省略.
He wants to move to France and marry the girl.
The purpose of new technologies is to make life easier,not to make it more difficult.
12）不定式做表语时,一般要带to,但若主语部分中含有do的各种形式时,符号to可省去.
We've missed the last bus.All we could do now is walk home.
典型例题
1) ---- I usually go there by train.
---- Why not ___ by boat for a change?
A. to try going B. trying to go C. to try and go D. try going
答案：D. why not 后面接不带to 的不定式,因此选D.
2） Paul doesn't have to be made ___. He always works hard.
A. learn B. to learn C. learned D. learning
答案：B. make后接不带to 的动词不定式,当其用于被动时,to 不可省略.
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