英语中动词不定式省略to的情况
(完整版)省略to的动词不定式用法归纳
省略to的动词不定式用法归纳一、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。
考例：1.The teacher forbade ________ our seats. to leave leavingC.to leaveD.to leaving2.Mary had her friend ________ the best one.A.chooseB.chosenC.choseD.to choose3.The girl was ma de _________ she didn’t love at all.A.marry a manB.to marry a manC.to marry with a manD.married with a man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。
初高中英语：省略to的动词不定式
省略“to”的动词不定式初高中英语中，动词不定式做宾语补足语时，有少部分词必须要省略动词不定式符号“to”，这些词主要有：“五看”、“三使”、“两听”、“一感觉”、“一帮助”，具体如下：1．“五看”：①see, ②watch, ③notice, ④observe, ⑤look at①see：看见；见到；看出I saw him play basketball on the playground.我看见他在操场上打篮球。
I often see a girl dance in the next room.我经常看到一个女孩在隔壁房间跳舞。
I saw you put the key in your pocket.我见你把钥匙放进了口袋里。
②watch：看；注视；观看；观察They watched the bus disappear into the distance.他们注视着公共汽车消失在远方。
He seems to enjoy watching me work.他似乎喜欢看我干活。
③notice：看（或听）到；注意到；意识到I noticed them come in.我注意到他们进来了Did you notice volunteers help a man cross the street?你注意到志愿者帮助一个人过马路了吗？④observe：看到；注意到；观察到The police observed a man enter the bank.警察注意到一个男人走进了银行。
⑤look at：看Look at him eat!看他那副吃相!（美国英语）《牛津英语用法指南》（第四版，外语教学与研究出版社2019）p212，Michael Swan （英）编著2．“三使”：①make, ②let, ③have①make促使；使得She always makes me laugh.她总是让我发笑。
This dress makes me look fat.这衣服我穿着显胖。
省to的动词不定式
省to的动词不定式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 move to France and marry the girl.He wants to do nothing but go out.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。
非谓语之哪些情况下不定式要省略to
非谓语之哪些情况下不定式要省略to哪些情况下不定式要省略to1.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：He had his son clean the car. 他叫他的儿子擦车。
Rain makes plants grow. 雨水使植物生长。
We can't let this go on. 我们不能让这个情况继续下去。
注：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)。
如：He was made to work long hours. 他们让他长时间干活。
2. 在see, hear, observe, notice, feel, watch等感觉动词后用作宾语补足语的不定式必须省略to。
如：I saw him stand up and go out. 我看见他站起来,然后就走了出去。
She noticed the man look [looking] at her a couple of times. 她注意到那个男人朝她看了好几次。
I felt something crawl up my arm. 我觉得有什么东西顺着我的胳膊向上爬。
注：若它们用于被动语态或用于完成式，则其后的不定式要带to。
如：I noticed her to have come early. 我注意到她来得很早。
He was seen to enter the building. 有人看见那男子走进大楼。
另外注意，若动词feel后用作宾语补足语的不定式为to be，则要带to(其他情况不带to)。
如：They felt the plan to be unwise. 他们认为这个计划不明智。
3.在动词help后用作宾语或宾语补足语的不定式可以不带to：I helped him (to) repair his bike. 我帮他修自行车注：当help用于被动语态时，不定式前的to不能省略。
省略to的动词不定式用法归纳
省略to的动词不定式用法归纳一、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。
考例：1.The teacher forbade ________ our seats. to leave leavingC.to leaveD.to leaving2.Mary had her friend ________ the best one.A.chooseB.chosenC.choseD.to choose3.The girl was ma de _________ she didn’t love at all.A.marry a manB.to marry a manC.to marry with a manD.married with a man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。
中考英语非谓语动词语法解析(三)
中考英语非谓语动词语法解析（三）考点6：考查不定式省略to的用法不定式省略to主要见于以下情况：1. 当不定式用于let, make, have等使役动词后作宾语补足语时，不定式不能带to。
如：I will have her post the letter. 我要叫她去寄信。
Please let me know what happens. 请告诉我发生的事。
They made me repeat the whole story. 他们非让我把整个事件再说一遍。
但是，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。
如：She must be made to comply with the rules. 必须让她遵守规则。
2. 当不定式用于感觉动词（如see, hear, watch, notice, feel等）后作宾语补足语时，不定式必须省略to。
如：I heard him say so. 我听到他这样说。
I saw the train come into the station. 我看到火车进站了。
I watched her get into the car. 我看着她上了车。
但是，当它们用于被动语态时，则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。
3. 当不定式用于动词help后用作宾语或宾语补足语时，不定式可以不带to（当然也可以带to）。
如：They helped us (to) move it. 他们帮我们搬动它。
I can help (to) cook and wash up. 我可以帮忙做饭和洗碗。
【考例1】The woman made his son ________ finally after she told him some jokes. (吉林通化中考题)A. laughedB. to laughC. laughD. laughing 【分析】答案选C。
不定式的省略
四、介词except / but后省略to
（1）若except/but之前前出现了动词 do的各种 形式，其后的不定式通常省略 to；反之保留 to。 如： I had no choice but to wait. He wanted nothing but to stay there. It had no effect except to make him angry. She can do everything except cook. （2）在can’t but, can’t choose but, can’t help but等之后的不定式也要省略to。 When our country calls us for help, we I can’t but admire his courage. can't help but go.
(1).不定式中的动词上文已出现过,下文要省 略该动词，但保留to.
eg: Would you like to go with me ? I’d like to .(go with you.) 但是如果不定式的动词含有be/have/have been 动词，省略时保留be/have/have been。
六、并列不定式省略to
当两个或多个作用相同的不定式并列时，通常 只需在第一个不定式前用to，其余不定式前的 to可以省略。如： He told me to stay there and wait for him.
I’m really puzzled what to think or say.
七、省略不定式中的do
eg: Would you like to be a teacher? I’d like to be.
He is not the man he used to be.
归纳省略to的动词不定式用法
归纳省略to的动词不定式用法1. 动词不定式的基本结构是“to + 动词原形”。
然而，在某些情况下，可以省略不定式前的to。
2. 省略to的情况：a. 动词感官宾语：动词感官宾语后的动词不定式常省略to。
例如：- He heard her sing. （他听到她唱歌。
）- I saw him leave. （我看见他离开。
）b. let：let后的动词不定式也常省略to。
例如：- Let me help you. （让我帮助你。
）- Let him go. （让他走。
）c. make、have、help等动词：这些动词后的动词不定式在被动语态时常省略to。
例如：- She made me clean the room. （她让我打扫房间。
）- I had him fix the car. （我让他修理汽车。
）- He helped her find a job. （他帮她找到了工作。
）d. 情态动词：情态动词后的动词不定式常省略to。
例如：- You should study hard. （你应该努力研究。
）- He can't swim. （他不会游泳。
）3. 注意事项：- 当动词不定式作为名词、形容词或副词的补语时，不省略to。
例如：- My dream is to travel around the world. （我的梦想是周游世界。
）- She is happy to see you. （她高兴地看到了你。
）- He came to help us. （他来了帮助我们。
）- 不定式前如果有形容词或副词修饰，to不能省略。
例如：- She is too tired to dance. （她太累了，无法跳舞。
）- I was too scared to speak. （我害怕得说不出话。
）以上是关于省略to的动词不定式用法的归纳总结。
希望对您有所帮助。
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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？。