动词不定式to的省略
动词不定式中的省略
动词不定式中的省略动词不定式中的省略现象可分为两种情况,一是动词不定式符号to后的动词部分的省略;二是动词不定式符号to的省略.一,省略动词不定式符号to后的动词部分的情况1.一些表示心理活动,情感态度的动词或短语,如expect \want \hope \wish \love \hate \decide \plan \mean \try \would like \be ready \be afraid \be glad等后,动词不定式省略to后面的动词部分,但保留to.例如:(1)-I 'll be away on a business trip.Would you mind looking after my dog-Not at all .I'd be glad to. (2)-Will you go with me-Well ,I 'd like to.(3)-Will you go home tomorrow -No.I 'm going to a lecture,or at least I am planning to.2.不定式作宾语补足语时,省略to后的动词部分,即用to代替整个不定式.例如:(1)The boy wanted to ride his bicycle in the street but his mother told him not to.(2)You'd better finish the job on time if he ordered you to.3.在一些情态动词或助动词ought to \have to \used to \be able to 后.例如:(1)-Must I go now-No.You don 't have to.(2)-Are you planning to see your grandfather-No.But I ought to.二,省略动词不定式符号to的情况1.动词不定式作感官动词feel \see \notice \watch \find \hear\listen to \observe和使役动词have \make \let等的宾语补足语时,动词不定式符号to省略.如果这些动词用于被动语态,其后的动词不定式符号to不能省略(但let除外).例如: (1)We often hear him sing the song at home .(=He is often heard to sing the song at home.)(2)The y knew her verywell.They had seen her grow up from childhood.(=They knew her very well.She was seen to grow up from childhood.)注意:Mother got Tom to buy a pack of sugar.2.两个或两个以上的动词不定式由连词and \or \than \but连接时,从第二个不定式起,往往省略不定式符号to.但如果强调对比之意时不省略.例如:(1)She 'd like to take off her coat and have a break.(2)The students are taught to read,write and do many other things.(3)I t 's more difficult to do than to say .(强调语意前后对比)(4)The teacher came not to punish you but to help you.(强调语意前后对比)(5)I wondered whether to study or to work.(强调语意前后对比) 3.不定式作表语,用来解释主语或主语从句中do的精确含义时,往往可以省略动词不定式符号to.例如:(1)The first things he did was go up to her trainer and thank her for all her help during her training.(2)What we want to do now is lie down and rest.(3)What a dictionary does is help the students to find out the meaning and the usage of new words .4.在why或why not引起的表示建议或责问的省略问句中.例如: (1)Why get so excited(2)Why quarrel with your mother(3)Why not join us,Tom5.在一些类似情态动词词组had better \would rather \had best \rather than \can't but \can't help but等之后.例如:(1)In China it is important to invest in education rather than increase personal wages. (2)Jack would rather read than talk.(3)You'd better put on more clothes,or you'll catch a bad cold.(4)She dares to go to the lonely island by herself.I can 't but admire her bravery.6.在美国口语中,用在祈使语气中表示目的的动词come \go \try \run 之后的动词不定式符号to可省略,也可不省略.例如:(1)Come tell me if he arrives.(2)Go tell your mot her.(3)Run swim together.(4)Try open the door again.(5)Try to open the door again.(不省略语气更强烈)7.在一些固定短语中,make believe(假装)make do(凑合,设法对付)let slip(说出)leave go(放手)hear say(听说)let pass(忽略)let be(别打扰).例如:(1)The teacher didn 't let slip a word to us about the coming exam.(2)I 've heard say that Mary was about to come .(3)The boy made believe that he was reading when his father entered .(4)Let him be.(5)Don 't leave go(of)the fish. 另外值得注意的几种情况:1.need作行为动词时,后面接带to 的动词不定式;当dare作情态动词时,一般不用于肯定陈述句中;当dare作行为动词时,其后既可接带to的动词不定式,也可接不带to的动词不定式.例如:(1)I dare to swim across the river.(2)He dares to say that to his father.(3)She doesn 't dare(to)answer her teacher 's question.(4)We need to finish the job before lunch.2.关于动词help后接动词不定式的问题:一般说来,help后既可接带to 的动词不定式,也可接不带to的动词不定式(在美国英语及非正式文体中多见不带to).例如:(1)Would you like to helpme(to)carry the luggage (2)Help the baby(to)getup,Susan!3.but \besides \except作介词,后接动词不定式的情况:如果这些介词之前有行为动词do的各种形式,那么这些介词后的不定式不带to,反之则要带to.例如:(1)She could do nothing but cry .(2)What do you like to do besides swim(3)He has no choice but to leave.4.当like或want在由when\whenever \what \whatever \as \if等引导的状语从句中时,其后往往省略整个动词不定式.例如:(1)Come whenever you like .(2)Tom,don 't be nervous. Take whatever you want!(3)Do anything as you like.(4)You don 't have to come swimming if you don 't want.。
省略to的动词不定式情况举例
省略to的动词不定式情况举例以下是小编为大家列举的省略to 的动词不定式情况，希望能帮助大家更好地认识不定式，提高英语水平。
1) 情态动词 ( 除ought 外，ought to)：2) 使役动词 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。
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) would rather，had better：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。
举例：He wants to do nothing but go out.He wants to move to France and marry the girl.比较： He wants to do nothing but go out.He wants to believe anything but to take the medicine.典型例题1) ---- I usually go there by train.---- Why not ___ by boat for a change?A. to try goingB. trying to goC. to try and goD. try going答案：D. why not 后面接不带to 的不定式，因此选D。
动词不定式省略to的9种情况
动词不定式省略to的9种情况不定式省略to的九种情况一、使役动词后省略to的情况在let, make, have等使役动词后用作宾语补足语的不定式必须省略to。
如：XXX’t let me go to the film.我妈妈不会让我去看电影的。
Idon’t like milk, but mother made me drink it.我不喜欢牛奶，可是母亲强迫我喝。
I would have him wait for me at the gate of the park.我要他在公园门口等我。
注意：1.当使役动词用于被动语态时，要补上在主动语态中省略的to(主要是指make，let和have很少用于被动语态)。
2. force, oblige等虽然也表示 2. force, oblige“使”，但它们后用作宾语补足语的不定式必须带to。
如：He forced me to go with them.他迫使我同他们一起去。
XXX.警方强迫他离开。
二、感觉动词后省略to的情况在感觉动词后用作宾语补足语的不定式必须省略to。
如：I watched her get intothe car.我看着她上了车。
I saw the woman enter a XXX.我看见这个女人进了一家银行。
We often hear her sing this song.我们经常听到她唱这首歌。
Did you notice her leave the house?她离开屋子你注意到了吗?注意：1.这里所说的感觉动词主要包括see, hear, observe, notice, feel, watch等。
但是它们用于被动语态时，其后的不定式必须带to。
如：XXX woman was XXX enter a XXX.有人看见这个女人进了一家银行。
但是，用于以上句型的动词notice和watch和通常不用于被动语态。
2.类似地，动词look at和listen to后用作宾语补足语的不定式也不带to。
不定式符号to的省略
不定式符号to的省略不定式符号to的省略1．不定式作宾补省to:在英语中有的动词用不定式做宾补时需要省略不定式符号to。
可以这样进行记忆如下动词：二感觉：feel；perceive二听：hear; listen to；三让：have ; let ; make [have or let及少用被动] 五看：see; watch; notice; observe; look at。
共12个。
Whenever something is wrong with you, please do let me know.I will have the students write a passage about Internet.On seeing the young child fall into the lake, John sprang to his feet, and went to the rescue.Who are you going to have type this letter for you?Who would you rather have clean the room?It seemed so long before he heard the stone hit the water.Modesty helps one make progress while conceit makes one lag behind. 谦虚使人进步，骄傲使人落后。
He did not perceive anyone come in.他没有觉察到有人进来。
如果上述动词用被动语态时，不定式符号to不能省略。
Paul doesn't have to be made to learn. He always works hard.The fat boy was made to take more exercise to lose weight.He was angry to be made to pay double the price for it.The thief was perceived to steal into the house.有人看见小偷溜进那房子里去了。
探讨省略to的动词不定式的语法规则
探讨省略to的动词不定式的语法规则
动词不定式是英语中的一种常见语法结构，而to是将动词不定式和动作的执行者隔开的符号。
但是，在某些情况下可以省略to，那么何时可以省略，何时不可以省略呢？
可以省略to的情况
1.当动词不定式作为宾语时，to可以省略。
例如：I want (to) watch a movie tonight.（我今晚想看电影。
）
2.介词后面所跟的动词不定式中的to可以省略。
例如：He refused to talk to me. / He refused talking to me.（他拒绝和我谈话。
）
3.特定动词后面的动词不定式中的to可以省略。
例如：let me know / let me to know（让我知道）
不可以省略to的情况
1.当动词不定式作为主语或表语时，to不可省略。
例如：To be or not to be, that is the question.（生存还是毁灭，这是一个问题。
）
2.在被动语态中，to不可省略。
例如：The building is going to be demolished.（这座建筑将要被拆除。
）
3.在复合宾语结构中，to不可省略。
例如：I want you to help me.（我想让你帮我。
）
综上所述，省略to的动词不定式在特定情况下是可以的，但是也需要视情况而定，不能一味地省略。
掌握好省略to的动词不定式的语法规则，可以有效提高英语的表达水平。
不定式省略to的10种情况
不定式省略to的几种情况一、使役动词与to的省略当不定式用于let, make, have等使役动词后作宾语补足语，不定式必须省略to。
如：Let me have another cup of tea.给我再来一杯茶。
She had him dig away the snow.她让他把雪挖走。
They made him tell them everything.他们强迫他把一切全告诉他们。
但是，当使役动词用于被动语态时，其后的不定式则必须要带to。
如：他被迫一天工作20小时。
误：He was made work twenty hours a day.正：He was made to work twenty hours a day.注意，表示使役意义的let和have很少用于被动语态。
另外注意，force, oblige等虽然也表示“使”，但它们后用作宾语补足语的不定式必须带to。
如：They forced her to sign the paper.他们强迫她在文件上签字。
The law obliged parents to send their children to school.法律要求父母送子女上学。
二、感觉动词与to的省略当不定式用于表示感觉的动词feel, hear, notice, observe, see, watch, look at, listen to等作宾语补足语时，不定式必须省略to。
如：We all felt the house shake.我们都感觉这房子在震动。
I heard him go down the stairs.我听见他下楼了。
Did you notice her leave the house?她离开屋子你注意到了吗?I watched her get into the car.我看着她上了车。
但是，当feel后用作宾语补足语的不定式为to be时，则不能省略to。
省略to的不定式了解省略to的不定式的用法
省略to的不定式了解省略to的不定式的用法不定式是英语中的一种非谓语动词形式，它通常由动词原形加上to 构成，例如：to go（去）, to eat（吃），to sleep（睡觉）等。
然而，在某些情况下，我们可以忽略不定式前的to，这种形式被称为省略to的不定式。
本文将介绍省略to的不定式的用法以及相关注意事项。
一、省略to的不定式主要用于下列几种情况：1. 动词let当动词let后面接不定式时，to可以省略。
例如：- She let me go to the party.（她让我去参加派对。
）2. 感官动词感官动词如see、watch、hear等后面接宾语和不定式时，to可以省略。
例如：- I heard him sing in the concert.（我听到他在音乐会上唱歌。
）3. 情态动词情态动词如can、may、must等后面接不定式时，to可以省略。
例如：- You must do your homework before playing games.（你必须先做作业再玩游戏。
）4. 动词help当动词help后面接不定式时，to可以省略。
例如：- He helped me carry the heavy boxes.（他帮我搬运沉重的箱子。
）二、需要注意的细节问题：1. 第一个动词是make、let、help、see、hear、watch或feel时，后面的动词不定式可以省略to；2. 在句子中，第一个动词是感官动词或情态动词时，后面的动词不定式可以省略to；3. 省略to的不定式只适用于动词不定式的主动形式，不能用于被动形式；4. 不定式的完整形式“to + 动词原形”通常更正式，所以在正式场合或文学作品中，建议使用完整形式。
三、案例分析：1. They helped me (to) clean the house before the guests arrived.（他们帮我在客人到来之前打扫了房间。
动词不定式中“to”的省略
动词不定式中“to”的省略动词不定式是由“to+动词原形”构成的。
在实际运用中，小品词to在某些场合会被省略，下面简要归纳一下这些特殊情况。
1．在某些表示感官的动词（组）如feel, listen to, hear, look at, see, watch, notice等的复合宾语中，动词不定式不带to。
例如：We often hear her sing this song.我们经常听到她唱这首歌。
I saw him play basketball.我见过他打篮球。
2．在使役动词make, let, have等的复合宾语中，动词不定式不带to。
例如：Now let me hear you play.现在让我听你演奏。
They made him work all day.他们让他整天工作。
注意：上述两类句子若是变为被动语态，则原来作宾语补足语的不定式须带to。
例如：She is often heard to sing this song.He was made to work all day.3．动词help的复合宾语中，动词不定式既可带to，也可不带to。
例如：Will you help me learn English?=Will you help me to learn English?4．help后面的动词不定式作宾语时也可省去to。
例如：Then he helped sweep the floor.那时他帮助扫地。
The new policy has helped raise his wages.新政策使他提高了工资。
5．当两个或两个以上不定式短语连用而且作用相同时，那么除第一个不定式短语用to 外，其余的不定式短语可省略to。
例如：This article is easy to read and understand.这篇文章浅显易懂。
He taught us to read and write.他教我们读书、写字。
动词不定式省略to的9种情况
不定式省略to的九种情况一、使役动词后省略to的情况在let,make,have等使役动词后用作宾语补足语的不定式必须省略to。
如：Mymotherwouldn’tletmegotothefilm.我妈妈不会让我去看电影的。
Idon’tlikemilk,butmothermademedrinkit.我不喜欢牛奶，可是母亲强迫我喝。
Iwouldhavehimwaitformeatthegateofthepark.我要他在公园门口等我。
注意：1.当使役动词用于被动语态时，要补上在主动语态中省略的to(主要是指make，let和have很少用于被动语态)。
2.force,oblige等虽然也表示2.force,oblige“使”，但它们后用作宾语补足语的不定式必须带to。
如：Heforcedmetogowiththem.他迫使我同他们一起去。
Thepolice obligedhimtoleave.警方强迫他离开。
二、感觉动词后省略to的情况在感觉动词后用作宾语补足语的不定式必须省略to。
如：Iwatchedhergetinto thecar.我看着她上了车。
Isawthewomanenterabank.我看见这个女人进了一家银行。
Weoftenhearhersingthissong.我们经常听到她唱这首歌。
Didyounoticeherleavethehouse?她离开屋子你注意到了吗?注意：1.这里所说的感觉动词主要包括see,hear,observe,notice,feel,watch等。
但是它们用于被动语态时，其后的不定式必须带to。
如：Thewomanwasseen toenterabank.有人看见这个女人进了一家银行。
但是，用于以上句型的动词notice和watch和通常不用于被动语态。
2.类似地，动词lookat和listento 后用作宾语补足语的不定式也不带to。
如：Welistenedtotheoldmantellhissto r y .我们听这位老人讲述3.若动词feel 后用作宾语补足语的不定 式为t o b e ，t o (其他情to)。
英语中不定式省略to的10种情况
英语中不定式省略to的10种情况一、使役动词与to的省略当不定式用于let, make, have等使役动词后作宾语补足语，不定式必须省略to。
如：Let me have another cup of tea. 给我再来一杯茶。
She had him dig away the snow. 她让他把雪挖走。
They made him tell them everything. 他们强迫他把一切全告诉他们。
但是，当使役动词用于被动语态时，其后的不定式则必须要带to。
如：他被迫一天工作20小时。
误：He was made work twenty hours a day.正：He was made to work twenty hours a day.注意，表示使役意义的let和have很少用于被动语态。
另外注意，force, oblige等虽然也表示“使”，但它们后用作宾语补足语的不定式必须带to。
如：They forced her to sign the paper. 他们强迫她在文件上签字。
The law obliged parents to send their children to school. 法律要求父母送子女上学。
二、感觉动词与to的省略当不定式用于表示感觉的动词feel, hear, notice, observe, see, watch, look at, listen to等作宾语补足语时，不定式必须省略to。
如：We all felt the house shake. 我们都感觉这房子在震动。
I heard him go down the stairs. 我听见他下楼了。
Did you notice her leave the house? 她离开屋子你注意到了吗?I watched her get into the car. 我看着她上了车。
但是，当feel后用作宾语补足语的不定式为to be时，则不能省略to。
省略to的动词不定式
"大家都知道在动词不定式to do中，“to”是不定式的标志，有了这个to，后面所跟的动词该用原形。
但是to也有可以省略的时候，这个时候虽然没有了to，后面所跟的动词依然用原形。
今天的每日一课就给大家总结一些省略to的动词不定式。
1、情态动词（除ought 外）后的to已省略。
例：You must go to the hospital first. 你必须先去医院。
I can swim well. 我能游得很好。
2、使役动词let, have, make后，感官动词see, watch, look at, notice , observe, hear, listen to, smell, feel, find 等词后的to省略。
例：He made the baby crying all night long. 他让那个婴儿哭了一整夜。
Let it be. 就这样吧。
when I passed by, I saw the girl picking the flowers. 我经过的时候，看见那个女孩在摘花。
注意：在这些词的用法中，用于被动语态时不能省去to。
例：I saw him dance. 我看见他跳舞。
=He was seen to dance.The boss made them work the whole night. 老板让他们整夜干活。
=They were made to work the whole night.3、would rather/had better 后的to省略。
例：I would rather go to Japan than the USA.我宁愿去日本也不想去美国。
You had better take a hat with you.你最好带上一顶帽子。
4、why…/why not…句型中not后to省略。
例：why not come to my home for a dinner tonight？今晚何不来我家吃顿饭。
动词不定式符号to的省略
动词不定式的省略在英语学习中常常会遇到不定式，而不定式有时有省略，主要表现在两个方面：一不定式符号to的省略；二to后动词的省略。
现就此类情况总结如下：一不定式符号to的省略1.在使役动词和感官动词后作宾补时，不定式的符号to要省略。
例如：(1）Mr. Wang has his son write a diary every day.王先生让儿子每天写一篇日记。
(2）I knew him very much because I had seen him grow up from childhood.我很了解他，因为我是看着他长大的。
注意：在被动结构中，即不定式由宾补变成了主补，这时被省略的to 应补上。
例如：（1）The workers were made to work more than ten hours a day.工人们每天被迫工作10小时以上。
(2) She is noticed to water the garden every morning.人们看到她每天早上浇花园。
2.介词but或except之后跟不定式作宾语，且but或except前面有do的某种形式时，不定式符号to要省略。
例如：（1）There was nothing I could do but wait.我只能更待。
(2) She would do anything except clean the floor.除了扫地，她什么都愿意干。
3.两个或两个以上功能相同的不定式并列使用时，第一个要加上to，之后的不定式符号to要省略。
例如：(1) The teacher asked us to bring some food ,wear more clothes and get there on time.老师让我们带些食物，多穿衣服，按时到达。
(2)To make him happy and encourage him to work harder, I gave him a walkman as a gift.为了使他开心，也为了鼓励他更加努力，我送他一份礼物——随身听。
动词不定式to何时可省略
动词不定式to何时可省略何时跟to说bye-bye动词不定式的基本形式是“to 动词原形”，本身没有人称和数的变化，在句中不能作谓语，其否定形式为在不定式符号to前加not。
可是，我们有时候会见到动词不定式前边的to何时被省略的情况，这是怎么回事呢？先请看以下两个例句：①We often hear the boy read English here. 我们经常听到男孩儿在这儿读英语。
②You'd better not go there alone. 你最好不要一个人去那儿。
在以上两个例句中，动词不定式前的to就被省略了。
一般来说，省略不定式符号to 常见于以下情况：1.作宾补，一感二听三让四看半帮助宾补，也就是宾语补足语，在句中对宾语补充说明。
动词tall（让）ask（请求）teach（教）wish （希望）等常接动词不定式做宾补。
如：Dad wishes me to pass the exam. 爸爸希望我考试过关。
但以下这些动词后常接省略了to的动词不定式作宾补：即一感feel；二听listen to/ hear；三让make/ let/ have；四看see/ watch/ look at/ notice；半帮助help sb (not ) do sth.如：I felt someone come in just now. 我刚才感到有人进来了。
<特别注意>here/ see/ make sb do sth. 用在被动语态中，常把to还原。
如：We made him do it.= He was made to do it by us.我们让他做这件事。
/ 他被我们要求做这件事。
2.记句型，牢记心中定成功省略了不定式符号to 的句型有以下几个：①You'd better ( not ) do sth. 你最好（不要）做某事如：You'd better not leave me alone.你最好别把我一个人单独留下。
省略to的不定式
不定式否定式的几点用法注意
1、不定式的否定式的构成 不定式的否定式通常是将否定词not或never置于不定式之前，即构成not to do 或never to do 这样的形式。 注意not和never一定要放在不定式符号to的前面，而不是其后面。如： He told me not to open the door. 他让我别开门。 Take care not to break the glass. 小心别把玻璃杯打碎了。
I told him not to make a mess in the kitchen. 我叫他不要把厨房弄得乱七八槽。
I promise never to smoke again. 我保证再也不抽烟了。
I’ll let you off if you promise never to do it again. 如果你答应以后再不这样做我可以放过你
二· 、不定式否定式几点值得注意之处 1. 完成式的否定式：如果不定式为完成式，否定词应放在to have之前。如：
She pretended not to have seen him. 她假装没看见他。
You were silly not to have locked your car. 你真笨，竟然没有把汽车锁好。 2. 被动式的否定式：如果不定式为被动式，否定词应放在to be之前。如：
3)在“do nothing but(or.except)...， there be sth.to do but(or except)... ， sb.have sth.to do but”等结构中， 介词，but(or except)后用不带to的动词不定形式。 如： He did nothing at the meeting but smoke. 他在会上什么也没干只是吸烟。 I have nothing to do except copy the article for him. 我只好给他抄写这篇文章。
高考英语动词不定式to 的省略归纳
高考英语"动词不定式to 的省略"归纳( 2007-8-24 16:38 )非谓语动词历来是高考中的重点，不定式结构在考点中常占很大比重。
其中to的用法很复杂，现就to在一些结构中常被省略的情况作如下小结。
1．感官动词和使役动词在主动语态中不需要带to，即我们常说的“一觉二听三让五看”：feel,listen to 、hear ,let、make、have, see、watch、notice、observe、look at.he noticed tom take a branch of flowers in his hand.他注意到汤姆手中拿着一束鲜花。
the teacher has us write a composition every week.老师要我们每周写一篇文章。
注：除let 外其他在变成被动语态时要加上to。
the person was seen to enter the shop by us .我们看见那个人进了那家商店。
2由all，what 引导的主语从句或者主语被only, first, one, least 或形容词最高级修饰时，而且从句中含有do时，其表语如果是动词不定式，则往往省去to。
all i did was empty the bottle.我所做的是倒空这个瓶子。
what i wanted to do was drive all night.我想做的是彻夜开车。
the only thing i could do was do it myself 。
我惟一能做的是我自己解决。
3．常用的结构may well do，may as well do (还是…好了)及but或except后接不定式时，如果它们前面有do便可省略to，其结构为can not do but…，can not help but…等句型，we might as well put up here for tonight.我们不妨今晚就在这儿过夜。
英语中动词不定式省略to的情况
动词不定式省略to的情况1．主语部分有to do ,系动词is 或was 时，作表语的不定式通常省去to。
如：The only thing you have to do is press the button.你必须做的唯一事情是按按钮。
2．作介词but ,expect ,besides 的宾语，前面又有实意动词do 时，不定式通常省去to. 如：He said that Chen Shuibian had nothing to do except push a pro-“independence”timetable.他说陈水扁除了推进支持“独立”的时间表外，什么也没有做。
3．主语部分暗含to do，表语中的不定式通常省去to。
如：All I want (to do) is go to school and study hard .我想要（做）的就是上学，努力学习。
4．当两个或多个不定式并列时，其后的不定式符号可以省略，但有对比关系时不可省略。
如：It is easier to say than to do .5．在would rather…than…等结构中，不定式符号常常要省略. 如：I would rather stay at home than go to see a film.我宁愿呆在家也不愿去看电影。
6．在see ,watch ,notice ,hear, listen to ,look at ,feel ,have, make, let ,observe 等词后作宾语补足语时省略不定式符号to；why (not) do 结构中, 不定式不带to.(1) I saw her enter the room . 我看见她进入了房间(2) Why not join us ?为什么不加入到我们的行列里来呢？。
不定式中省去to的十种情况
不定式中省去to旳十种情况
一.使役动词与to旳省略
当不定式用于let, make, have等使役动词后作宾语补足语，不定 式必须省略to。 eg. 1.Let me have another cup of tea.
给我再来一杯茶。 2.She had him dig away the snow.
七.主语带do表语省略to旳情况
在主语以what、all、the only thing等开头旳包括行为动词do 旳句子中，作为表语旳不定式常可省略to。 eg. 1.All you do now is (to) complete the form.
你目前要做旳只是把这张表填好。 2.The only thing to do now is (to) go on. 迈进是目前唯一旳出路。 3.What I’ll do is (to) tell her the truth. 我要做旳就是告诉她真相。
她想去就能够去。
十.固定搭配与to旳省略
1.had better+动词原形，最佳做某事 eg. You had better stay here.
你最佳呆在这里。 2.“would rather+动词原形”, 意为“宁愿做某事”
eg. 1)We’d rather stay at home.
我们宁愿呆在家里。 2)I would rather not tell him.
二.感觉动词与to旳省略
当不定式用于表达感觉旳动词feel, hear, notice, observe, see, watch, look at, listen to, sense等作宾语补足语时，不定式必须省 略to。 eg. 1.We all felt the house shake.
英语中不定式省略to的九种情况
英语中不定式省略to的九种情况一、使役动词后省略to的情况在let，make，have等使役动词后用作宾语补足语的不定式必须省略to。
如：My mother wouldn't let me go to the film. 我妈妈不会让我去看电影的。
I don't like milk，but mother made me drink it. 我不喜欢牛奶，可是母亲强迫我喝。
I would have him wait for me at the gate of the park. 我要他在公园门口等我。
注意：1. 当使役动词用于被动语态时，要补上在主动语态中省略的to(主要是指make，let和have很少用于被动语态)。
2. force，oblige等虽然也表示“使”，但它们后用作宾语补足语的不定式必须带to。
如：He forced me to go with them. 他迫使我同他们一起去。
The police obliged him to leave. 警方强迫他离开。
二、感觉动词后省略to的情况在感觉动词后用作宾语补足语的不定式必须省略to。
如：I watched her get into the car. 我看着她上了车。
I saw the woman enter a bank. 我看见这个女人进了一家银行。
We often hear her sing this song. 我们经常听到她唱这首歌。
Did you notice her leave the house？她离开屋子你注意到了吗？注意：1. 这里所说的感觉动词主要包括see，hear，observe，notice，feel，watch等。
但是它们用于被动语态时，其后的不定式必须带to。
如：The woman was seen to enter a bank. 有人看见这个女人进了一家银行。
但是，用于以上句型的动词notice 和watch通常不用于被动语态。
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动词不定式To 的几种常见的省略形式
3．常用的结构may well do，may as
well do (还是…好了)及but或except后 接不定式时，如果它们前面有do便可 省略to，其结构为can not do but…， can not help but…等句型。
动词不定式To 的几种常见的省略形式
e.g. We might as well put up here for tonight. She can’t do nothing but/except ask silly questions. She did nothing but complain.
动词不定式To 的几种常见的省略形式
4. 在had better，would rather，rather than
动词不定式To 的几种常见的省略形式
e.g. I’d like to stay with you, help you and learn from you. She told us to stay at home and wait till she came back.
动词不定式To 的几种常见的省略形式
动词不定式To 的几种常见的省略形式
e.g. He noticed Tom take a branch of flowers in his hand. The teacher has us write a composition every week. 注: 在变成被动语态时要加上to。 The person was seen to enter the shop by us.
之后省略to. e.g. You‘d better not tell him the news .
Rather than wait anyone, I decided to go home by taxi.
动词不定式To 的几种常见的省略形式
5. 以Why或Why not 开头表请求的结构 中常跟上动词原形,省略to。
B. to learn
Байду номын сангаас
C. learned D. learning
6. --- I usually go there by train.
---- Why not __D_ by boat for a change?
A. to try going B. trying to go
C. to try and go D. try going
动词不定式To 的几种常见的省略形式
7. He wants to do nothing but ＿B＿out. Ａ to go Ｂ go Ｃ going Ｄgoes
8. He wants to believe anything but__A_ the medicine. A to take B took C take D takes
动词不定式To 的几种常见的省略形式
7. 在一定的上下文中，为了避免重复， 有时不定式可以省略，但通常保留不 定式符号to。
e.g. I shall go if I want to. “Don’t be late.” “I’ll try not to.” Don’t go till I tell you to.
动词不定式To 的几种常见的省略形式
3. He ___D___ live in the country than in
the city.
A prefers
B likes to
C had better D would rather
4. The boy told his father that he would
动词不定式To 的几种常见的省略形式
9. Compared with women, men always
prefer __B__ at home rather than ____
so much time shopping .
A to finish ,to spend B to finish ,spend
动词不定式To 的几种常见的省略形式
1.You had better ___B___ your hair cut. A. had B. have C to get D to have
2. We ___D___ put the meeting off for a week. A can as well B. will as well C. shall as well D . may as well
rather ___A___ an astronaut.
A become B to become
C becoming D became
动词不定式To 的几种常见的省略形式
5. Paul doesn't have to be made _B__.
He always works hard.
A. learn
C finish ,spend
D finish ,to spend
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动词不定式To 的 几种常见的省略形式
动词不定式To 的几种常见的省略形式
1. 感官动词和使役动词在主动语态中 不需要带to，即我们常说的“一觉二 听三让五看”：feel, listen to , hear , let, make, have, see, watch, notice, observe, look at.
e.g. Why go with him? Why not go out for a walk ? You look tired. Why not have a good rest.
动词不定式To 的几种常见的省略形式
6.由并列连词and，than, or 连接两个以
上的具有相同意义或功能的不定式时， 第二个动词不定式不带to。。 .
动词不定式To 的几种常见的省略形式
2. 由 all， what 引导的主语从句或者主语 被only, first, one, least 或形容词最高级
修饰时，而且从句中含有do时，其表语 如果是动词不定式，则往往省去to。
动词不定式To 的几种常见的省略形式
e.g. All I did was empty the bottle. What I wanted to do was drive all night. The only thing I could do was do it myself.
注：如果两个不定式表示对照或对比时， 则不能省略to.
e.g. To try and fail is better than not to try at all. He hasn’t decided whether to quit or to stay. To be or not to be, that is a question.