infinitive什么意思

英语中不定式是什么?
定式的全称是“动词不定式”,是一种非限Ding动词,由不定式符号to+动词原形构Cheng。不定式具有动词的特征,同时也有名词、形Rong词和副词的特征。 动词不定式是一种非限定性动Ci,由to+动词原形构成,但它还是属于动词,Suo以它本身可以带宾语和状语。动词不定式在句中Ke以作主语、宾语、表语、定语和状语,还Ke用在复合结构中,而且有完成式、进行式、Wan成进行式和否定形式。动词不定式的被动Xing式除了一般形式外还有其完成式和进行式。
infinitive是什么意思
infinitive[英][ɪnˈfɪnətɪv][Mei][ɪnˈfɪnɪtɪv]
n.(Dong词)不定式;
adj.不定式的;
Shu:infinitives

例句:
1.
He should know that modern English can have no "split" infinitive.

2.
"To leave" is an infinitive phrase and is necessarily split
infinitive maker什么意思
Infinitive marker 不Ding式标记/符号
指表示动词目的和意图的助词,Ru to,
infinitive是什么意思
infinitive [in'finətiv]
n.
Yu法学】原形,原形动词,不定式
adj.
Yu法学】原形的,不定式的
同近义词
n. Bu定式
indefinite form , indeterminate form
Shuang语例句
An infinitive is a two-word form of a verb.
Yi个不定式是由两个词构成的形式。
But no, all that's left is an infinitive phrase.
Dan是,没有了。 留下的是一个不定式短语。
英语的不定式是什么
英语的不定式是to+动词原形。
to Ying[tə] 美[tu,tə]
prep. Dao; 向,朝着; 关于; 属于;
adv. Chao一个方向的; 到某种状态; 关闭;
Yong
动词不定式由“to+动词原形”构成,Zai句中相当于名词、形容词、副词等的作用,Ke以充当主语、宾语、表语、定语、状语或补足语等Cheng分,同时也保留了动词的一些特征,可以Dai宾语或状语。
短语
keep to Jian持 ; 固守 ; 遵守 ; 保持
have to Bi
up to 直到 ; 胜任 ; Duo达 ; 取决于
come to 共计 ; Su醒 ; 总计 ; 达到
close to Kao近 ; 接近 ; 接近于 ; 在附近
Li
1、I must keep to myself, at least for some time.
Wo暂时还要秘而不宣。
2、I have to go to london on business tomorrow.
Ming天我要到伦敦去办事。
3、Her clothes are always right up to the minute.
Ta的衣着总是很入时。
4、The farm came to him on his father 's death.
Ta父亲死时农场归他了。
5、He sensed that marsha was close to tears.
Ta觉得玛莎快要掉泪了。
Bare Infinitive 译成什么?
不带to的动词不定式。这里稍微列举几个Qing况:
1.指接在助动词(do,does)He情态主动词(will, can, or should)Hou的那个主要动词。如:
I will/do/can/etc. see it. (seeJiu是bare infinitive)
2.Zhi接在表示感觉动词后的被感觉到的物体发Chu的动作。如:saw/watched/heard/etc. it happen.(happen)
3.Zhi接在表示允许的动词后的那个被允许的Dong作。如:I made/bade/let/had him do it.(do)
在英语语法中,“gerund or infinitive”的用法是什么?
Gerund在句子中可以作主语、宾语、Biao语、定语,也可以被副词修饰或者用来Zhi配宾语。
Infinitive在句子中Zuo主语,做宾语,构成符合宾语,作定语,作状Yu、作表语。
1、英语语法的解释:英语语Fa是针对 英语语言进行研究后,系统地Zong结归纳出来的一系列语言规则。语法是组词造Ju的规则,是把合适的词放进合适位置的语言(句子)Gui则,语法可以分成为两大部分:分别为词法和句法。Ci法包括各类词的形态及其变化,句法主Yao讲 句子的种类和 类型,句子成分以及 Qian词 造句的规律。语法的精髓在于掌握语Yan的使用。
2、英语的句子成分:一个句Zi一般皆由两部分组成,即 主语部分(subject group)He 谓语部分(predicate group)。Zhu语部分一般由名词或 动名词构成,谓Yu部分一般由动词构成。如:Professor Ward teaches English to university students. Wo德 教授给大学生教英语。句中的Professor WardShi主语部分,teaches English to university students Shi谓语部分。句子成分(members of the sentence )Shi句子中起一定功用的组成部分。句子由各个Ju子成分所构成。句子的组成部分,包括 主语、谓Yu、宾语、定语、 补语、 状语、 表语七Zhong。每一个句子都有主语、谓语和宾语。
passive infinitive是什么意思
你好 很高兴回答你的问题 翻译为:
passive infinitive
Dong词不定式的被动语态
望采纳 谢谢
英语中be + 动词不定式是什么意思
Be+不定式 记住两种用法即可
1 Bu定式 相当于一个抽象名词 起名词作Yong 作表语
如 my job today is to teach english Wo今天的工作是教英语
our duty is to study hardWo们的职责 是努力学习
2 Be+不Ding式 相当于将来时 表示根据 计划 安排 Jiang要发生的事
如 he is to leave for shanghaiTa将动身去上海
英文中不定式是什么意思
I want to go away.
to go awayJiu是不定式
不定式一般指to doZhe种结构,一般表示目的
==========================================
Xiang细的介绍如下:
参考来源:[link:http://baike.baidu.com/view/26732.htm]
[Bian辑本段][(动词)不定式的简介]
1. Bu定式定义:由to+动词原形构成。
Ding式是一种非限定性动词。而非限定动词是指那些在Ju中不能单独充当谓语的动词,可分为不定式,动Ming词,现在分词和过去分词。
2.用Tu
在句中不能作谓语。它具有动Ci的性质,本身可以带宾语和状语。
Dong词不定式】
1.定义:动词 + 不定式
2.Yong途:
动词不定式在句中可以作句子任何Cheng分。动词不定式的被动形式除了一般形式外还You其完成式和进行式。
[编辑本段][Dong词不定式的时态、语态]
动词不定式可Yi作以上各种成分,但它毕竟是动词,所以有动词的Shu
动词不定式及其短语还可以You自己的宾语、状语,虽然动词不定式在语法上没有Biao面上的直接主语,但它表达的意义是动作,Zhe一动作一定由使动者发出。这一使动者我们Cheng之为 逻辑主语,其形式如下:
主动Xing式 被动形式
一般式 (not) to make (not) to be made
Wan成式 (not) to have made ( not) to have been made
Jin行式 (not) to be making (not) to have been making
(1)Yu
如果动词不定式的逻辑主语是这个不Ding式所表示的动作的承受者,不定式一般要用Bei动语态形式。如:
It's a great honour to be invited to Mary's birthday party.(Bu定式作主语)
It was impossible for lost time to be made up.(Bu定式作主语)
I wish to be sent to work in the country.(Bu定式作宾语)
Can you tell me which is the car to be repaired?(Bu定式作定语)
He went to the hospital to be examined.(Bu定式作状语)
在There beJie构中,修饰主语的不定式可用被动,也可用主动。Ru:There are still many things to t ake care of (to be taken care of).Dan有时两种形式表达的意思不同,如:These is nothing to do now.( We have nothing to do now.) There is nothing to be done now.(We can do nothing now.)
(2)Shi
1) 现在时:一般现在时表示De动词,有时与谓语动词表示的动作同时发生,有时Fa生在谓语动词的动作之后。
He seems to know this.
I hope to see you again. = I hope that I'll see you again. Wo希望再见到你。
2) 完成时:表Shi的动作发生在谓语动词表示的动作之前。
I'm sorry to have given you so much trouble.
He seems to have caught a cold.
3) Jin行时: 表示动作正在进行,与谓语动Ci表示的动作同时发生。
He seems to be eating something.
4) Wan成进行时:
She is known to have been wreaking on the problem for many years.
[Bian辑本段][疑问词+不定式结构]
Yi问词who,what,which,when,where,whether,howHou可接不定式构成不定式短语,在句中作主语、Bin语、表 语等。如:
①When to leave for London has not been decided yet. (Bu定式在句子中做主语)
②Mr. Smith didn't know whether to leave or stay there. (Bu定式在句子中做宾语)
③I asked Professor Xu how to learn English well. (Bu定式在句子中做间接宾语)
④The question was where to get the medicine needed. (Bu定式在句子中表语)
以上例句中疑问词+Bu定式部分,均可转换为相应的从句形式。Ru:①When we shall leave…③…how I
could learn…
Jing常在这种结构中使用的动词有:consider,decide,discover,explain,find out,forget,hear,know,lea rn,observe,understand,wonderDeng
[编辑本段][动词不定式的语法功Neng]
一、作主语
动词不定式作Zhu语时,句子的谓语动词常用单数,其位置有以Xia两种:
(1)把不定式置于句首。如:
To get there by bike will take us half an hour.
(2)Yongit作形式主语,把真正的主语不定式置于Ju后,常用于下列句式中。如:
①It+be+Ming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+Xing容词+for sb+to do
It is difficult for us to finish writing the compositionin a quarter of an hour.
④It+be+Xing容词+of sb+to do
It is stupid of you to write down everything the teachersays.
⑤It seems(appears)+Xing容词+to do
It seemed impossible to save money.
Zai句型③中,常用表示客观情况的形容词,如:difficult,easy,hard,important,impossible,necessary Deng;在句型④中,常用careless,clever,good,foolish,honest,kind,lazy,nice,right,silly,stupid,wiseDeng 表示赞扬或批评的词。在不定式前的sb,可Kan作其逻辑主语。这一句式有时相当于Sb is+Xing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)Ju
1) It's easy (for me) to do that.Wo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.
Ting到你的声音真高兴。
It's necessary for you to lock the car when you do not use it.
Dang你不用车的时候,锁车是有必要的。
2) It's very kind of him to help us. Ta帮助我们,他真好。
Kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(Kao虑周到的), silly, selfish(Zi私的)
例句:
It was silly of us to believe him. Wo们真愚蠢,竟然相信了他。
It seemed selfish of him not to give them anything. Ta不给他们任何东西,这显得太自私了。
Zhu意:1) 其他系动词如,look,appearDeng也可用于此句型
2) 不定式Zuo为句子成分时,动词用单数形式。
3) Dang不定式作主语的句子中又有一个不定式作Biao语时,不能用It is… to…的句型
(Dui)To see is to believe. Bai闻不如一见。
(错)It is to believe to see.
Er、作宾语
1) 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.
Ju例:
The driver failed to see the other car in time.
Si机没能及时看见另一辆车。
I happen to know the answer to your question.
Wo碰巧知道你那道问题的答案。
2)动词+Bu定式 ;动词+宾语+不定式
ask, beg, choose, expect , hate, help intend like, love, need prefer, prepare, promise, want, wish…
I like to keep everything tidy. Wo喜欢每件东西都保持整洁。
I like you to keep everything tidy. Wo喜欢你使每件东西都保持整洁。
I want to speak to Tom. Wo想和汤姆谈话。
I want you to speak to Tom. Wo想让你和汤姆谈话。
3) 动Ci+疑问词+ to
decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell
Please show us how to do that. Qing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.You这么多的录音机,我都拿不定主意买哪一种。
Zhu意:疑问词带不定式在句中作成分时,谓语动词用Dan数。
The question is how to put it into practice.
Wen题是怎样把它付诸实施。
4)以Xia动词后,只能跟不定式作宾语。
如:agree,ask,aim,arrange,choose,decide,demand,expect,fail ,help,hope,learn,long,manage,offer,plan,prepare,
pretend,promise,refuse,wish Deng,这些词大部分可接that引导的从Ju。如:
I decided to ask for my money back.
I decided that I would ask for my money back.
When our visit to the farm was over,we expected to startback on foot.
When our visit to the farm was over, we expected that wewould start back on foot.
5)Dang复合宾语中的宾语是不定式时,先用形式Bin语it代替不定式,把不定式置于补语之后,Ji:主语+动 词+it+补语+to do句式。Ru
We think it quite important for us to learn a foreignlanguage well.
He feels it his duty to help the poor.
San、作补语
1) 动词+宾语+Bu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
Li句:
a. Father will not allow us to play on the street.
Fu亲不让我们在街上玩耍。
b. We believe him to be guilty.
Wo们相信他是有罪的。
Find De特殊用法:
Find 后可用分词做宾Bu,或先加形式宾语,再加形容词,最后加Daito 的动词不定式。find后也可带一个Cong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.
Dian型例题:
The next morning she found the man ___ in bed,dead.
A. lying B. lie C. lay D. laying
Da案:A.find的宾语后面,用分词或Fen词短语,起宾语补足语作用。现在分词表Da主动,也表达正在进行,过去分词表达被Dong
2) to + be 的不定Shi结构,作补语的动词。
Acknowledge, believe, consider, think, declare(Sheng称), discover, fancy(设Xiang), feel find, guess, judge, imagine, know, prove, see(Li解), show, suppose, take(Yi为), understand
We consider Tom to be one of the best students in our class.
Wo们认为汤姆是班上最好的学生之一。
Dian型例题
Charles Babbage is generally considered ___ the first computer.
A. to invent B. inventing C. to have invented D. having invented
Da案:A. 由consider to dosth. Pai除B、D。. 此句只说明发明这一个事实,不Ding式后用原形即可。而C为现在完成时,发明为Dian动词一般不用完成时,且此处也不强调对现在的影Xiang,因此不选C。
3) to be +Xing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.
Ren们认为这本书没什么意思。
4) there be+Bu定式
believe, expect, intend, like, love, mean, prefer, want, wish, undrstand
We didn't expect there to be so many people there.Wo们没料到会有那么多人在哪里。
有些Dong词需用as 短语做补语,如regard, think believe, take, consider.
We regard Tom as our best teacher. Wo们认为汤姆是我们最好的老师。
Mary took him as her father . Ma丽把他当作自己的父亲。
四、作表语
Bu定式作表语表示具体动作或将来动作;动名词Zuo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 ofthe matter.
③What I would suggest is to put off the meeting.
Dang主语和表语都是不定式时,其含义一是条件,一是Jie果(例①)。当主语是aim,duty,hope,idea,mista ke,plan,purpose,suggestionDeng为中心词的名词词组(例②)时,或以whatYin导的名词性分句(例③),不定 式说明主语的Nei容。
④Our work is serving the people.
⑤What he likes is taking a walk after supper.
⑥The story told by Mr.Wang is interesting.
④⑤Ju动名词作表语,与主语部分可以转换,如Serving thepeople is our work,Er⑥句中是现在分词作 表语,说明主语的性质、Zhuang态,现在分词具有形容词的各种特征,另外,动Ming词作表语还应与进行时态区别开 来。
Wu、作状语
1)目的状语
To… only to (Jin仅为了), in order to, so as to, so(such)… as to… (Ru此……以便……)
He ran so fast as to catch the first bus. Ta飞快地跑以便赶上第一班车。
I come here only to say good-bye to you. Wo来仅仅是向你告别。
2)作结果状Yu,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) Biao原因
I'm glad to see you.
Dian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
Da案:B. 如果不定式为不及物动词,其后Ying有必要的介词。当动词与介词连用时,常位于"Xing容词+动词不定式"结构的末尾。
Liu、作定语
⒈不定式作定语
Bu定式在句中作定语,置于被修饰的名词或代词之Hou。如:
①The next train to arrive is from Washington.
②Have you 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.
Bu定式短语作定语和被修饰词之间表示以下关系:
(1)Biao示将来的动作(例①)。
(2)Yu被修饰词之间有动宾关系,如是不及物Dong词,则需加介词(例④)。
(3)Yu被修饰词之间有动宾关系,同时与句中其它词之间You有逻辑上的主谓关系时,尽管有被动含义,Que仍 用主动语态(例③);如只有动宾Guan系,而无逻辑上的主谓关系,则需用被动Yu态(例②)。
(4)不定式作定语Shi,一般可转换为定语从句,例①to arrive=that will arrive。
[Bian辑本段][省to 的动词不定式]
1) Qing态动词 ( 除ought 外,ought to):
2) Shi役动词 let, have, make:
3) Gan官动词 see, watch, look at, notice , observe, hear, listen to, smell, feel, find Deng后作宾补,省略to。
注意:在被动Yu态中则to 不能省掉。
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) Biao示个人意愿或倾向的would rather,had better,might(just) as well:rather thanZhi于句首时。
Rather than ride on a crowded bus,he always prefers to ride a bike.
5) Why… / why not…:
6) help Ke带to,也可不带to, help sb (to) do sth:
7) butHeexcept:but前是动词do时,后面Chu现的动词用不带to的动词不定式。
8) Youand, or和than连接的两个不Ding式,第二个to 可以省去:
9) Tong常在discover, imagine, suppose, think, understandDeng词后,可以省去to be:
He is supposed (to be) nice. Ta应该是个好人。
10)but作Jie词,后接不定式结构时,前面谓语动词部分Ruo含有do的形式时,but后的不定式要省去to,Fou则要带to。
He wants to do nothing but go out.
He wants to believe anything but to take the medicine.
11)Dang两个或多个不定时短语由连词and,but或orLian接时,后一个或几个不定式符号to常Sheng略。但若表示对比、对照关系时,则不能省Lue
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)Bu定式做表语时,一般要带to,但若主语部分中Han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.
Dian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
Da案:D. why not 后面接不Daito 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
Da案:B. makehttps://zuciwang.com/zhuanti/实体对应的词.html后接不带to 的动词不定Shi,当其用于被动时,to 不可省略。
[Bian辑本段][动词不定式的否定式]
Tell him not to shut the window…
She pretended not to see me when I passed by. Wo走过的时候,她假装没看见。
Dian型例题
1)Tell him ___ the window.
A. to shut not B. not to shut C. to not shut
D. not shut
Da案:B。 tell sb to do sth De否定形式为tell sb not to do sth.
2) She pretended ___ me when I passed by.
A. not to see B. not seeing C. to not see
D. having not seen
Da案:A。 pretend 后应接不Ding式。其否定形式为pretend not to do sth.。
3)Mrs. Smith warned her daughter ___ after drinking.
A. never to drive B. to never driver
C. never driving D. never drive
Da案:A。warn sb to do sth. De否定形式为warn sb not to do sth. Ci处用的是否定词never.
4) The boy wanted to ride his bicycle in the street,but his mother told him ____.
A. not to B. not to do C. not do it
D. do not to
Da案:A。not to 为not to do it De省略形式。可以只用to这个词,而不必重复整Ge不定式词组。及物动词do后应有名词、Dai词等,否则不对,因此B,D不对。
5) The patient was warned ___ oily food after the operation.
A. to eat no B. eating not C. not to eat
D. not eating
Da案:C。warn一词要求后用不定式,此处Wei不定式的被动,否定形式为be warned not to do。
[Bian辑本段][不定式的特殊句型]
1、Bu定式的特殊句型so as to
1) Biao示目的;它的否定式是so as not to do。
Tom kept quiet about the accident so as not to lose his job.
Tang姆对事故保持沉默是为了不丢掉他的工作。
Go in quietly so as not to wake the baby.
Qing点进去,别惊醒了婴儿。
2) so kind as to ---Lao
Would you be so kind as to tell me the time?
Lao驾,现在几点了。
2、 "Why not +Dong词原形"表达向某人提出建议
"为什Me不……?" "干吗不……?"
例如:
Why not take a holiday?
Gan吗不去度假?
3、It's for sb.He It's of sb.

1)for sb. Chang用于表示事物的特征特点,表示客观形式的Xing容词,如easy, hard, difficult, interesting, impossibleDeng
It's very hard for him to study two languages. Dui他来说学两门外语是很难的。
2)of sbDe句型一般用表示人物的性格,品德,表示主观感情Huo态度的形容词,如good, kind, nice, clever, foolish, right。
It's very nice of you to help me. Ni来帮助我,你真是太好了。
for Yuof 的辨别方法:
用介词后Mian的代词作主语,用介词前边的形容词作Biao语,造个句子。如果道理上通顺用of,不通则用for。Ru
You are nice. (Tong顺,所以应用of)。
He is hard. (Ren是困难的,不通,因此应用for。)
4、Bu定式的特殊句型too…to…
1)too…to Tai…以至于…
He is too excited to speak.
Ta太激动了,说不出话来。
---- Can I help you ? Xu要我帮忙吗?
---- Well, I'm afraid the box is too heavy for you to carry it, but thank you all the same. Bu用了。这箱子太重,恐怕你搬不动。谢谢您。
2) Ru在too前有否定词,则整个句子用否定词表达Ken定, too 后那个词表达一种委婉Han义,意 为"不太"。
It's never too late to mend. (Yan语)
改过不嫌晚。
...Geng多更复杂的可以去百度百科看一下
======================
Jian单来说
I want to go away.
to go awayJiu是不定式
不定式一般指to do这种结构,Yi般表示目的
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