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1、动词不定式（1 1）基本形式：）基本形式： to+动词原形动词原形 （在某些情况下可以不带（在某些情况下可以不带 to） to do, to sing , to look after, to get to（2 2）特点）特点 ： 没有人称和数的变化没有人称和数的变化动词不定式动词不定式A、作主语作主语，如 To learn a foreign language is not easy . It is good others. 帮助他人是件好事。 It is exciting the Internet. 上网是件令人兴奋的事。 to helpto surf/get on= Its not eas
2、y to learn a foreign language.动词不定式用法动词不定式用法Learning a foreign language is not easy . B、作表语作表语，结构： be + to do.His hobby is to play basketball . Our task is to find the lost dog.What you have to do now is _ (打扫教室) to clean the classroom 动词不定式动词不定式C 作宾语作宾语 1)动词动词 + to do常见动词有常见动词有 agree, decide ,fail,
3、 hope, wish , want, plan 等等1 He decided (buy) the camera.to buy 2 I want (listen to) some music after class.to listen to 3 I hope (travel) all over the world one day.to travel动词不定式动词不定式2) 动词动词+疑问词疑问词 + to doI dont know what to do . how to do it/that. (去哪里) (什么时候出发) (选择哪个)Where to go When to leave Wh
4、ich one to choose动词不定式动词不定式3) 动词动词 + it(形式宾语）形式宾语）+宾补宾补 +to doI find it important to learn English我发现很难和他好好相处.我发现在炎热的夏天很容易入睡I find it hard to get on well with him .I find it easy to fall asleep in hot summer.动词不定式动词不定式1) 动词动词 + 宾语宾语 +to do (ask/tell/order sb to do sth)Li Mei asked me to show her the
5、 new dictionary .注：有以上结构的常用动词有注：有以上结构的常用动词有 tell. wish, ask, want like, beg, invite,warn, allow,encourage,advise 等。等。2) 动词动词 + 宾语宾语 + do(不带不带 to 的不定式的不定式)注：常用的动词是注：常用的动词是: 感官动词感官动词see, hear, feel, watch, notice； 使役动词使役动词 have ,make, let.动词不定式做宾补动词不定式做宾补(某些固定的动词结构某些固定的动词结构)Let me (to) go .I saw them
6、play basketball yesterday. E、作状语作状语可以可以表目的表目的、表结果、表原因、表结果、表原因F、作定语作定语（必须后置）（必须后置）I came here_to tell you a good newsWe have a lot of homework to do every day.I have a good news to tell you.我们每天有很多作业要做.我有个好消息要告诉你.动词不定式动词不定式( 告诉你一个好消息) not + to doMr.Smith asked the boy _(not play) this kind of game. n
7、ot to playPlease tell her _(not do) so much housework. not do动词不定式的否定形式动词不定式的否定形式一、常使用动词不定式的短语一、常使用动词不定式的短语 1、Its time to do sth. Its time for sth 该作某事的时候了该作某事的时候了. 2、cant wait to do sth. 迫不及待要作某事迫不及待要作某事 3、ask /tell sb. (not ) to do sth. 要求要求/告诉某人告诉某人(不不)作某事作某事 4、allow sb. to do sth. 允许某人作某事允许某人作某事
8、 5、Would like /want (sb.) to do sth. 想要作某事想要作某事 中考重点句型中考重点句型7、have sth/nothing to do 有有时要做时要做/与与无无关关 8、find it +adj. to do sth. 发觉作某事发觉作某事 9、prefer to do sth. rather than do sth. 宁愿作某事宁愿作某事,而不愿作某事而不愿作某事 10、Its +adj. for sb. to do sth. 作某事对某人来说作某事对某人来说 11、Its better /best to do sth. 最好做某事最好做某事 12、It
9、takes sb. sometime. to do sth. 某人做某事用了一些时间某人做某事用了一些时间 中考重点句型中考重点句型1 1、一看二听三使役、一看二听三使役 see/ see/ see/ see/ hear/ listen tohear/ listen tohear/ listen tohear/ listen to / / / /let/make/havelet/make/havelet/make/havelet/make/have sb. do sth. sb. do sth.看看见/ /听听见/ /使使/让让某人作某事某人作某事 2 2、help sb. (to) do s
10、th/ with sth.help sb. (to) do sth/ with sth.帮帮助某人作某事助某人作某事 3 3、 had better (not) do sth. had better (not) do sth. 最好最好( (不不) )做某事做某事 4 4、 Why donWhy don t you/ not do sth.t you/ not do sth.为什什么么不作某事不作某事 5 5、Would /Will / Could you please (not) do sth. Would /Will / Could you please (not) do sth. 请你你
11、( (不不) )作某事好作某事好吗? ? 省略动词不定式的短语省略动词不定式的短语1、 stop to do sth. 停下正在做的事去作另一件事停下正在做的事去作另一件事 stop doing sth. 停止正在作的事停止正在作的事 eg. When the teacher came into the classroom, the students stopped talking. After he worked for an hour, he stopped to have a rest. 2、 forget / remember to do sth. 忘记忘记/记得要去作某事记得要去作某
12、事 forget / remember doing sth. 忘记记得曾经做过某事忘记记得曾经做过某事 eg. Please remember to bring my book to school. I remember doing my homework 同义词比较同义词比较3、 used to do sth. 过去常常作某事过去常常作某事 be used to doing sth. 习惯于作某事习惯于作某事 eg. My father used to smoke. I am used to getting up early. 同义词比较同义词比较5、 tooto do sth. 太太而不能
13、而不能 so +adj. /adv + that(从句从句) 如此如此以致以致 such +（a/an +adj.）+n.+ that(从句从句) 如此如此以致以致 (not) enough (for sb.) to do sth. (对某人来说对某人来说)做某事做某事(不不)够够 eg. The boy is too young to go to school. The boy is so young that he cant go to school. He is such a young boy that he cant go to school. The boy is not old
14、enough to go to school. 同义词比较同义词比较1. John was made _ the truck for a week as a punishment. A. to wash B. washing C. wash D. to be washing 2. Tell him _ the window. A. to shut not B. not to shut C. to not shut D. not shut 3. Mrs Smith warned her daughter _ after drinking. A. never to drive B. to neve
15、r drive C. never driving D. never drive 4. Though he had often made his little sister _, today he was made _by his little sister. A. cry；to cry B. crying；crying C. cry；cry D. to cry；cry 5. I would love _ to the party last night but I had to work extra hours to finish a report. A. to go B. to have go
16、ne C. going D. having gone ABAAATest1. The workers want us _ together with them. A. work B. working C. to work D. worked 2. -The light in the office is still on. -Oh, I forgot _. A. turning it off B. turn it off C. to turn it off D. having turned it off 3. There isnt any difference between the two.
17、I really dont know _. A. where to choose B. which to choose C. to choose what D. to choose which 4. The teacher told them _make so much noise. A. dont B. not C. will not D. not to CCBD1.The patient was warned _ oily food after the operation. A. to eat not B. eating not C. not to eat D. not eat2.Rath
18、er than _ on a crowded bus, he always prefers _ a bicycle. A. ride; ride B . riding; ride C. ride; to ride D. to ride; riding3.He gave us some advice on how_ English. A.learning B . learned C. to learn D . learn4.Is_necessary to change trains at Beijing? A. thisB. thatC. it D. he5.Our father often t
19、old us in the past that _is believing. A .to see B .seeing C .see D .to be seenCCCCB6.She reached the top of the hill and stopped_on a big rock by the side of the path. A.to have rested B.resting C.to rest D .rest7.Im thirsty. Would you please give me something_. A .drunk B .to drink C .to be drunk
20、D .for drinking8.Tom is the first _ to school. A . get B . to get C.getting D . got9. 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 10. I saw him _ out of the room. A. go B. had gone C. has gone D. goes CBBAA1. Do you ha
21、ve anything _(say) at the meeting?2.The man ran out _(see) what was wrong .3. She was often heard _(sing) in English.4. Stop _(read), please.Ive something to tell you .to say to see to singreading中考链接1 She was surprised me last night.（08广东茂名） A to see B see C saw2 Wang often asks us too much meat.（08广东） A dont eat B not eat C not to eat D doesnt eat3 Its dangerous for you that tall tree.（08 安徽） A climb B to climb C climbing D climbed4- Mary was heard just now. What happened？（08江苏）-John was telling a joke. A cry B to cry C laugh D to laughACBDGood Bye!
