初二英语知识点归纳：动词不定式
初二英语不定式用法梳理
初二英语不定式用法梳理不定式用法口诀动词不定式基本结构：to+ do否定：not + to do作用：它具有名词、形容词和副词三大特点。
不做谓语。
1 不定式作宾语：决定（decide）同意（agree）计划（plan），主动提供（offer）希望（hope、wish），努力（try）想要愿意（wish, want, would like / love）。
★动词feel, find, make, think等后面，可以用it作形式宾语代替真正的宾语——动词不定式，句子结构是...feel / find / make / ... it+adj. / n.+to do...。
如：I find it difficult to remember everything. (p.98)2，不定式作宾语补足语：give、bring、lend，pass、show、send， leave、sell、tell， teach, 要用to另有buy、make，read和cook，要用for.3 特殊宾补：七个感官三使役，宾补要把to甩去；省“to”的不定式作宾语补足语：一感，二听，三让，四看，半帮助【诠释】一感：feel；二听：hear，listen to；三让：make，let，have；四看：see，notice，watch，observe 再加一个look at；半帮助：help。
4 主语it来帮忙，自己后面把身藏；不定式，作主语，行为多是指"具体"。
结构常用"主系表"，谓语用单则就好。
To learn English well is not easy.To say something is one thing，to do it is another．不定式，作主语，若太长，往后移；形式主语（it）去代替，免去头重无根底。
It's good for you to do some running in the morning．It's very nice of you to invite me．It cost me twenty yuan to buy the dictionary．5 疑问词后接上它，简化宾从人人夸（why后面的不定式不带to）；6 不定式做表语，跟在系动词后面。
初中英语知识点归纳动词不定式的基本用法
初中英语知识点归纳动词不定式的基本用法动词不定式是英语中的一种非谓语动词形式，通常由动词原形加上to 构成。
它具有名词、形容词和副词的性质，可以在句子中充当主语、宾语、表语和补语等成分。
本文将对动词不定式的基本用法进行归纳总结。
一、动词不定式作主语动词不定式作主语时，常常位于句首，具有强调的作用。
常见的句型有：1. To learn English well is my goal.学好英语是我的目标。
2. To drink eight glasses of water a day is beneficial to our health.每天喝八杯水对我们的健康有益。
二、动词不定式作宾语动词不定式可以作及物动词的宾语，常常跟在动词后面。
常见的动词有：1. want, hope, expect, plan, decide, promise, agree 等。
例如：I want to go to the park this weekend.我想这个周末去公园。
2. advise, encourage, allow, enable, force, teach 等。
例如：His teacher encourages him to learn new words every day.他的老师鼓励他每天学习新单词。
三、动词不定式作表语动词不定式可以作表语，说明主语的身份、职业、愿望等。
常见的句型有：1. His dream is to become a doctor.他的梦想是成为一名医生。
2. Our aim is to win the game.我们的目标是赢得比赛。
四、动词不定式作补语动词不定式可以作及物动词的宾语补语和形容词的补足语。
常见的动词有：1. make, let, see, hear, watch, feel, notice, observe 等。
例如：She made her son do his homework.她让她的儿子做作业。
八年级动词不定式总结
动词不定式是一种非谓语动词，在句中 起名词、形容词或副词的作用，可在句中 作主语、宾语、定语、状语或宾语补足语 动词不定式的形式是“to+V原形”，但to有 时 要省略。
动词不定式的结构
肯定： to + V.原
否定：not/never + to + V.原 1) He likes to read novels. 2) I saw him come. 3) We decided not to buy that house. 4) It is interesting to fly a kite. 5) Please let him not go there.
1、I hope to finish it tomorrow .
2、She plans to go and teach in the country.
三、复合不定式
疑问词+to do
1、我不知道接下来该做什么。
I don’t know____________ next. what to do
2、她不能决定买哪本书。
It is easy _______ for her to learn English well. of It is clever ________ you to solve this problem.
作主语
2、It takes sb. some time to do sth.
我每天花去三个小时完成家庭作业。 It takes me three hours to finish the homework every day. I spend three hours finishing the homework every day.
八年级英语动词不定式用法梳理
八年级英语动词不定式用法梳理动词不定式是由“不定式符号to+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to,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、用作主语多数情况用it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;疑问词+不定式短语作主语可置于句首,复合不定式结构作主语常置于句末;如：1. I t is our duty to try our best to deal with these problems. head teacher said it was necessary to talk with his mother. to learn English well is important.see is to believe.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： best way is to join an English club.first thing is to listen to the teacher carefully.三、用作宾语1.可以接带to的动词不定式作宾语的动词主要有：要求选择同意ask, choose, agree,期望决定学习expect, hope, decide, learn,宁可假装知道prefer, pretend, know,希望想要愿意wish, want, would like / love;如：1We decided to talk to some students about why they go there. 2He prefers to eat white bread and rice.3Id love to visit Mexico.2.动词decide, know, learn, show, teach, tell...,介词结构on...可用疑问词带to的不定式短语作宾语,但why后面的不定式不带to;如：1Could you please tell me where to park my car2It gives advice on what to do in lots of different situations.3.动词feel, find, make, think等后面,可以用it作形式宾语代替真正的宾语——动词不定式,句子结构是...feel / find / make / ... it+adj. / n.+to do...;如：4. 感知动词like, love, know等一般不用进行时态;5.后接动词不定式或ving形式作宾语,意思差别较大的动词有forget, remember等;后接不定式作宾语,表动作尚未发生；后接ving形式作宾语,表动作已经发生;stop to do停下来做另外一件事,to do是目的状语；stop doing停止做、不做当前这件事,doing 是宾语;try to do尽力做,try doing试试看；go on to do接着做另外的事,go on doing继续做原来的事;如：1When I left home, I forgot to bring it with me.2I stopped using them last year.四、用作定语1.句子的主语或宾语是动词不定式的逻辑主语,不定式与其所修饰的名词、代词等存在逻辑的动宾关系.1I have so many clothes to wash today.2I can’t think of any good advice to give her.3We have no houses to live in.2.动词不定式所修饰的名词是place, time, way等时,不定式与这些名词呈现出动状关系或同位关系;如：1He needs time to do homework.2 He wants to know the best way to travel around the city.3.在“there be...”句型里,句子的主语是动词不定式动作的对象：1There’s just so much to see and do here.2... but there are still many things to do the五、用作宾语补足语1.带to的动词不定式作宾语补足语的动词主要有：要求允许提议ask, allow, , advise,期望邀请鼓励expect, , invite, encourage,教导告诉想要teach, tell, want,等待希望愿意wait for, wish, would like / love;如：1Id invite her to have dinner at my house.2 We should allow the children to choose their own clothes.2.动词不定式作补语,在主动语态句里不带to,被动语态句里带to时多数动词是感官动词和使役动词,包括四“看”：look at, observe, see, watch,三“让”：have, let, make,二“听”：hear, listen to,一“感觉”：feel,一“注意”：notice;如：1This picture makes me feel excited2We saw Liu Yu play baseball last week.后接动词不定式作补语,to可带可不带;1 they can help you to learn English.2Using email English helps you write quickly.六、用作状语1.目的状语,置于句首或句末,置于句首时常表示强调;如：1In order to catch the early bus, she got up very early.2A group of young people got together to discuss this question.3She came to this city to visit her daughter.2.原因状语,多见于“sb.+be+adj.+to do...”结构句中;如：1 I feel very lucky to have him.2 he ran out of money to buy old bikes.3.结果状语,多见于“too...to”,“enough to...”结构句中;如：1 I’m too tired to do it well.2The room is big enough for three people to live in.七、动词不定式的复合结构动词不定式的复合结构是“for / of sb. to do sth.”,for / of引出不定式动作的逻辑主语;这种结构在句子中可以作主语、宾语、表语、定语、状语等;不定式复合结构的介词用for还是of,主要决定于前面形容词的性质;一般说来,of前面的形容词是careful, clever, foolish, good, kind, nice, wise等,既说明人的特性,又说明不定式动作的特性;for前面的形容词是dangerous, difficult, easy, hard, heavy, important, interesting, necessary等,一般说明不定式动作的特性,前面如果是名词用for;如：’s a good idea for parents to allow children to study in groups during the evening.’s wise of him to do it well.3Is it interesting for the baby to play with a pet dog 八、带疑问词的不定式短语动词不定式前面可以带疑问代词what, which, who或疑问副词how, when, where, why等;这种结构起名词的作用,在句子里用作宾语、主语、表语等,或者单独使用;要注意的是,why后面的不定式不带to;如：1.用作句子的成分;1I don’t know what to try next. 作宾语2Where to go is not decided yet.作主语2.单独使用时相当于一个特殊疑问句;1What to do next=What will we / you do next2Why go there=Why do we / you go there九、动词不定式的否定式不定式的否定式是not / never to do...,不带to的不定式的否定式是not / never do...如：decide not to talk to each other.parents tell him never to play soccer in the street.随堂练习一动词填空;’m going to l isten to the radio. Please ____not talkany more. 2. The students ____dotheir homework from four to five this afternoon.3. The students ____bebusy now. They ____havean English exam next Monday.4. Mary must ____lookafter her little sister because she is too young.5. ____heyou waiting for a bus now6. This coat is very cheap. I ____takeit now.7. I’ll tell him about it when he ____comeback.8. Could you tell me ____can getto No 3 Middle school.9. He ____ said that the new teacher ____givethe students an English lesson now.10. I ____milka cow three times.11. Edison’s mother ____teachhim herself.12. He ____watchTV once a week.13. Don’t speak loudly. The baby ____sleep.14. I won’t go out ____finishmy homework.15. Could you tell me when the train ____arrive.16. I often hear the sound of children ____readEnglish in the room.asked me ____helphim with his English this evening.18. Their work is ____cleanthe streets.19. Did he enjoy ____workin China.20. We will stay at home if it _____raintomorrow.21. Be quiet The boy ____singan English song.22. _____ you _____ your homework yetstart23. Who ____teachthem English last term.24. There _____bea telephone call for you just now.25. Please keep everything ____clean.26. Peter won’t have a rest until he ____finishhis work.27. I watched TV, so I ____forget_____domy homework.28. When I ____walkalong the river ,I met my friend,Tom.29. When Mother came ,the little girl ____playwith a cat.30. When I was five,I _ __ _getto know the earth ____movearound the sun.31. They _____seea boy _____fallinto the river while they ____passit yesterday.32. _____studyhard at your lessons andnot talkin class.33. You _____havebetter _____not eatthe bad food.34. While I ___do my homework,my parents __watchTV.35. He ____ not finish____readthe book.36. I ____getup very early this morning. I ____readEnglish now.37. He ____hurryto school every morning.38. Our teacher ____not stop____workuntil eleven o’clock last night.39. If he ____knowit ,he ____bevery happy.40. It ____takeus half an hour ____readEnglish every day.41. The children ____runin the street now.42. There ____betwo meetings tomorrow morning.43. My father ____sleepwhen I ____getup this morning.44. When I ____goto see Tom, he ____not writeanything.45. Sorry, when you ____callme, I ____thinkand ____not hearyou.46. Mr. Green ____leavehis notebook at home yesterday.47. I ____wantto buy a new coat next Sunday.48. His father ____readnewspaper when I got there.49. It ____befive years since he ____buythe motorbike.50. We found it was very difficult ____geta car.are so glad ________ hear the news.saw him ________ cross the road safely and ________ run away. can’t make him ________ do what you want.don’t know where ________ meet him.makes you ________ think I’m a farmeryou see him ________ go upstairsis better ________ put your money in a bank.is difficult for the boy ________ swim across the river.let him ________ go early as he wanted ________ meet his uncle at the station.you help me ________ move the bedhe doesn’t know, how ________ use the recorder, you’d better ________ show him.is the last one ________ leave the office every day.’s bad manners ________ shout in public.boy is old enough ________ dress himself.is too ill ________ go to school.二选择题1. Tell him ___ the window.A. to close notB. not to closeC. to not closeD. not close2. Paul doesn't have to be made ___. He always works hard.A. learnB. to learnC. learnedD. learning3. You'd better _______the story in Japanese.A. sayB. speakC. tellD. talk4. The patient was warned ___ oily food after the operation.A. to eat notB. eating notC. not to eatD. not eating5. ---- I usually go there by train.---- Why not ___ by boat for a changeA. to try goingB. trying to goC. to try and goD. try going6. There are some books on the floor, would you like ________A. to pick them upB. to pick up themC. pick it upD. pick up it7. She is very ill, let's _______a doctor at once.A. to wake upB. send forC. to pay forD. pay for8. I want ________a teacher when I grow up.A. to beB. toC. beD. being9. It's cold here. You'd better ______ your coat.A. not take outB. not to take downC. not take offD. not to take away10. My mother told me ________more water.A. drinkingB. drankC. to drinkD. drink。
动词不定式知识点
动词不定式知识点一、动词不定式的基本概念。
1. 定义。
- 动词不定式是由“to+动词原形”构成（有时可以省略to），它在句中不能单独作谓语，但具有名词、形容词和副词的特征，可以在句中作主语、宾语、表语、定语、状语和补语等成分。
例如：- To see is to believe.（作主语和表语，“眼见为实”）2. 形式。
- 一般式：to do，表示动作与谓语动词同时发生或发生在谓语动词之后。
例如：I want to go to the park tomorrow.（go这个动作发生在want之后）- 进行式：to be doing，表示动作正在进行，与谓语动词同时发生。
例如：He seems to be reading a book.（read这个动作正在进行，与seem同时）- 完成式：to have done，表示动作发生在谓语动词之前。
例如：I'm sorry to have kept you waiting.（keep you waiting这个动作发生在am sorry之前）- 完成进行式：to have been doing，表示动作从过去一直持续到现在，并且可能还会继续下去。
例如：She is said to have been working on this project for years.二、动词不定式在句中的用法。
1. 作主语。
- 直接作主语时，常用it作形式主语，而将真正的主语（动词不定式）后置。
例如：- It is difficult to learn English well.（真正的主语是to learn English well，it是形式主语）- 但是，当动词不定式作主语的句子中有表语形容词时，也可以直接将动词不定式置于句首。
例如：- To be honest is very important.2. 作宾语。
- 动词不定式可以作某些及物动词的宾语，常见的这类动词有want, hope, wish, decide, manage, expect等。
初二不定式知识点归纳总结
初二不定式知识点归纳总结不定式是英语中的一种非谓语动词形式，由to + 动词原形构成。
在句中可以作主语、宾语、表语、定语、状语等成分，是英语语法中重要的一部分。
在初二阶段，学生需要掌握不定式的基本用法和常见结构。
本文将对初二学习不定式的知识点进行归纳总结。
一、不定式作主语不定式作主语时，常用句型为：It + be + 形容词 + 不定式。
例如：1. It is important to learn English well. 学好英语很重要。
2. It is necessary to finish the homework on time. 及时完成作业是必要的。
二、不定式作宾语不定式可以作为动词的宾语。
常见的动词有：hope, want, like, love, need, plan等。
例如：1. I want to go shopping with my friends. 我想和朋友们去购物。
2. She needs to study hard for the exam. 她需要为考试努力学习。
三、不定式作表语不定式作表语时，常用句型为：主语 + be + 不定式。
例如：1. His dream is to become a doctor. 他的梦想是成为一名医生。
2. The goal of our project is to promote environmental protection. 我们项目的目标是促进环境保护。
四、不定式作定语不定式可以修饰名词或代词，起到定语的作用。
例如：1. I have a lot of books to read. 我有很多书要读。
2. She is a girl to trust. 她是一个值得信任的女孩。
五、不定式作状语不定式可以作为动词的状语，表示目的、结果、原因等。
例如：1. She went to the library to borrow some books. 她去图书馆借书。
动词不定式知识点详解(初中英语专项复习)8
动词不定式知识点详解（初中英语专项复习）考点1. 动词不定式作宾语（1）在动词want，hope，would like，decide，wish，choose，try，need等后常用动词不定式作宾语。
（2）think，find，feel，make后连接it + adj. + to do sth.構成“形式宾语+真实宾语”的用法。
考点2. 动词不定式作宾补（1）带to的不定式作宾补的动词有：ask，like，would like，teach，tell，want，help 等。
（2）省掉to的不定式作宾补的动词有：let，make，hear，see，notice，have，watch 等。
注：省掉to的不定式的句子变被动语态时，需要还原to。
考点3. 动词不定式作主语（1）动词不定式常用作句子的主语时，谓语动词用单数形式：To do sth. +谓语动词+adj. / n.。
（2）常用it作形式主语，而将不定式放在句子后面：It +谓语动词+adj. / n.+ to do sth.。
考点4. 动词不定式作定语（1）及物动词不定式作定语放在被修饰词之后：名词或代词+to do。
（2）若构成的不定式的动词为不及物动词时，其后加上相应的介词：名词或代词+to do （介词）。
考点5. 动词不定式与疑问词连用（特殊疑问词+动词不定式）在宾语从句中，若主从句的主语一致时，宾语从句可简化为“疑问词+to do sth.”，不定式可以和疑问代词（who，whom，whose，what，which）或疑问副词（when，where，how，why）连用构成不定式短语。
它们可以在句中作主语、宾语和表语。
巧记常见动词：学会忘记有难处（learn，forget）想知道就别来劝告（wonder，know，advise）展开讨论教人对付（show，discuss，teach）弄清楚才决定告诉（find out，decide，tell）When to start is not decided yet. 还没决定什么时候开始。
八年级动词不定式的知识点
八年级动词不定式的知识点动词不定式是英语中的一种非限定性从句，可以作为名词、形容词和副词等成分。
在英语中，它有其特殊的结构和用法，同时也是英语语法中的重要知识点之一。
一、基本结构动词不定式一般由“to+动词原形”构成，例如：to go，to eat等等。
二、作为名词1. 动词不定式作主语动词不定式作为主语时，位于句首，后面跟随谓语动词，例如：To learn English well is very important.学好英语十分重要。
2. 动词不定式作宾语动词不定式作直接宾语时，常用于某些动词（如want, expect, agree, hope, promise等）的宾语从句中，例如：I want to see you tomorrow.明天我想见你。
三、作为形容词1. 动词不定式作定语动词不定式作定语时作为形容词，并修饰名词或代词，例如：I have a book to read.我有一本要读的书。
2. 动词不定式作表语动词不定式作表语时作为形容词，并与be动词连用，例如：His dream is to be a doctor.他的梦想是成为一名医生。
四、作为副词1. 目的状语动词不定式作目的状语表示主语动作的目的或者原因，位于谓语动词之后，例如：I went to the supermarket to buy some fruits.我去超市买水果了。
2. 结果状语动词不定式作结果状语表示主语动作的结果或者后果，位于谓语动词之后，例如：He talked too much to be heard.他说得太多，没人听得懂。
以上就是八年级动词不定式的知识点，掌握好这些知识点，能够更好地理解英语语法，提升自己的英语语言水平。
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初二英语知识点归纳：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，也有被动态，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)不定式结构作主语.TegetcontactwithhisfamilyinTaiwanmadehimextrem elyhappysincetheyseparatedmorethan40yearsago.2.Tofinishthattaskinsuchashorttimeisreallyachallenge.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，而将不定式放到后面。
如：.Itmadehimextremelyhappytogetcontactwithhisfami lyinTaiwansincetheyseparatedmorethan40yearsago.2.jo hnadmittedthatitisalwaysdifficultforhimtobeontime.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forsb.todosth.结构表达：1.Itisquiteimportantforustoreadgoodbooksduringagene ralreview.2.Itisnotdifficultfotthosetalentedstudent stopasstheexam.在某些形容词作表语时，不定式后可以加of来引导出其逻辑主语：1.Itisverykindofyoutotellmethetruth.2.Itisstupidofh imtodosuchasillything.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。
及物动词+带to的不定式结构:只能跟动词不定式的动词，常见的有:afford，agree，aim，appear，ask，believe，care，claim，decidedemand，desire，determine，expect，fail，happen，hesitate，hope，intend，learn，long，manage，offer，pretend，promise，prepare，refuse，seek，swear，undertake，want，wish等。
.Hemanagedtosolvethecomplicatedproblem.2.Thestr angerofferedtoshowmetheway.3.mr.Smithundertooktobui ldanewplantinSouthAfrica.动词+疑问代词+不定式：这类动词常见的有advise，decide，findout，forget，inquire，know，learn，see，regard，remember，teach，tell，understand，wonder等。
常见的疑问代词有:what，when，where，which，how，whether 等。
.Hedoesnotknowwhentostart.2.youcandecidewhether tocontinueortostop.3.Iwillshowyouhowtodealwithit.有时，不定式可由it代替，而把不定式放到后面去。
这可以用这一结构表达：动词+it+形容词+不定式。
1.Sheconsidersitnecessarytomakefriendswithhim.2.wef inditdifficulttofinishallthehomeworkbefore9o’clock.3)不定式做表语一种情况为主语是不定式;表语也是不定式：.Toseeistobelieve.2.Toworkmeanstoearnaliving.另一种情况为主语是以aim，duty，hope，idea，job，plan，problem，purpose，thing，wish等名词为中心的短语，或以what引导的名词性从句，不定式表语对主语起补充说明作用;例如：1.Hisaimistostudyabroadinthenearfuture.2.Themostimp ortantthingistonegotiatewiththemabouttheprice.3.wha tIwanttosayistoforgetalltheunhappyexperience.4)不定式作定语不定式结构作名词词组修饰语主要有三种类型：第一种，被修饰的名词词组是不定式的逻辑宾语。
例如：1.Therewasreallynothingtofear.2.Hegavemeaninterestingbooktoread.如果不定式是不及物动词，后面就得加相应的介词。
例如：1.maryneedsafriendtoplaywith.2.Thatgirlhasnothingto worryabout.3.Theyhaveastrictteachertolistento.4.Alt houghthefilmhadbeenonfortenminutes，Istillwasnotabletofindachairtositon.第二种，被修饰的名词词组是不定式的逻辑主语;例如：1.Haveyougotakeytounlockthedoor?2.Theactiontobetake niscorrect.3.Thereisnothingtobegainedbypretending.第三种，被修饰的名词词组是不定式的同位结构。
这类名词通常是表示企图、努力、倾向、目的、愿望、is算、能力、意向等意义的名词：ability，attempt，effort，impulse，inclination，wish等。
例如：1.Herdaughterwillmakeanevenbiggerefforttopleaseher.2.Ihavenowishtoquarrelwithyou.3.Neitherofthemhadany inclinationtodobusinesswithmary.5)不定式作状语不定式结构在句中作状语通常都能转换为限制性状语从句。
例如作原因状语：1.Theyarequitesurprisedtoseethegreatchangestakingpl aceinthearea.2.Theyarequitesurprisedbecausetheyseet hegreatchangestakingplaceinthearea.3.Hewasluckytoar rivebeforedark.4.Hewasluckybecausehearrivedbeforedark.作目的状语：1.Sheraisedhervoicetobehearedbetter.2.Sheraisedherv oicesothatshecouldheardbetter.3.wewentviaHeidelberg tomissthetrafficjam.4.wewentviaHeidelbergsothatweco uldmissthetrafficjam.作结果状语：1.TheFrenchfootballteamplayedsosuccessfullyastodefe attheBrazilians.2.TheFrenchfootballteamplayedsosucc essfullythattheyevendefeatedtheBrazilians.3.Hegotto thestationonlytobetoldthetrainhadgone.4.Hegottothes tationandwastoldthatthetrainhadgone.不带to的不定式的使用动词不定式通常带to，但在有些搭配中不带to，在另一些搭配中可带to可不带to。
归纳起来，以下情况下使用不带to不定式：)在can/could，/may/might，will/would，shall/should，must，need，dare等情态动词之后，动词不定式不带to。
2)在表示感觉意义的动词，如see初中英语语法总结，feel，watch，notice，smell，hear，observe等后，或是表示“致使”意义的动词，如have，let，make等后，动词不定式不带to。
例如：1.Ioftenheardhimsaythathewouldstudyhard.2.Imusthavehimseehisownmistakes.但是，当这类结构转换为被动语态时，后面的不带to不定式一般转换为带to不定式。
例如：1.Hewasoftenheardtosaythathewouldstudyhard.2.Afterh ehadfinishedspeaking，hewasmadetoanswerinnumerablequestions.3)在动词help之后可用不带to的不定式，也可用带to 的不定式。
例如：1.Helptheoldladycarrytheheavybox.4)在hadbetter，wouldrather，may/mightaswell，ratherthan，cannotbut等搭配之后初中英语语法总结，动词不定式也不带to。
例如：1.Unlessyoufeeltoilltogoout，Iwouldrathernotstayathometonight.2.Shecouldnotbutcr iticizehisfoolishbehaviour.5)在makedo，makebelieve，letdrop，1etfall，1etfly，letslip，letdrive，letgooff，hearsay，heartell，leavegoof等固定搭配中，用不带to的动词不定式。
例如：1.Theyletgooftherope.他们松开了绳子。
2.johnletflyatorrentofabuseatme.约翰朝我痛骂了一顿。
3.I'veheardtellofhim.我听说过他。
6)在介词but初中英语语法总结初中英语语法总结，except之后，如果其前有动词do的某种形式，其后不定式一般不带to，反之则必须带to，表示“不得不初中英语语法总结，只能”。