人教版选修七Unit1英语动词不定式课件(转).ppt

1、The Infinitive 动词不定式,To do that sort of thing is foolish。,I want to see you this evening.,All you have to do is to finish it quickly.,We found a house to live in.,She came here to study English.,I warned the patient not to eat cold water after the operation.,主语,宾语,表语,定语,状语,宾补,一、用法,1. 作主语,2)用it作形式主语用

2、不定式 (It + be + adj. / n. + to do sth),3)例外： It is no good /no use + doing sth. It is no use arguing about it.,1)常用动名词 Learning English is very important.,It is important to learn English.,2. 作宾语,1) v+只跟to do learn /agree/ask/offer/happen/pretend/ promise/plan/intend/hope/wish/decide/refuse/ fail/man

3、age She hopes to find a better job. I wish to go with you.,2)v+只跟doing finish/complete/enjoy/mind/practise/consider/ suggest/advise/miss/avoid/admit/deny/permit/ allow/forbid/imagine/understand/include/risk/delay keep(on)/give up/insist on/succeed in/ feel like/be worth/be used to/ look forward to I

4、 enjoy playing basketball. She practices playing the piano for an hour every day. 但是advise/allow/permit/forbid/admit sb to do sth He advised going on a trip to Guangzhou. He advised us to go on a trip to Guangzhou.,3) v+to do/doing 区别不大。 begin/start/like/love/hate/dislike,4) v+to do/doing 区别很大 forge

5、t/remember/stop/go on regret/try/mean/cant help need/want/require,try to do 努力做某事 try doing 试着做某事 regret to do 对要做的某事表示遗憾 regret doing 对已做的某事表示后悔,mean to do 打算做 mean doing 意味着 cant help (to) do 不能帮忙做某事 cant help doing 情不自禁做某事,need/want/require,sth. need/want/require doing = sth need/ want/require to

6、 be done 某事需要被做,3. 宾语补足语：,1) ask 类（v+sb to do sth） want/wish/order/like/would like/help/ force/allow/permit/forbid/advise She asked me to help her. The teacher told him to come on time.,2）感官动词类（V + sb. + do sth.） see/ hear/ notice/ find/ watch/ look at/ hear/ listen to/ feel/ smell I often hear them

7、 sing the song in the next room . We watched them play football .,The teacher made me answer the question.,但这些动词用于被动结构时，省去的to要加上。,They were heard to sing a pop song.,He was made to answer the question.,3）使役动词类（V + sb. + do sth.） make/ let / have,1.He was made _. go B. gone C. going D. to go 2.Though

8、 he had often made his little sister_, today he was made _by his little sister. cry；to cry B. crying；crying cry；cry D. to cry；cry,注意,B. 动词不定式的否定式只须在to 前加 not.,My father decided not to take up the job.,The teacher told us not to be late again.,注意,C. 带疑问词的动词不定式在to 前加疑问词。,Mr. Lin will teach us how to u

9、se the computer.,Can you tell me where to get the book?,注意,D. 作简短回答或避免不必要的重复时，动词不定式常常省去to 后面的动词，只保留to。,A:Would you like to come to my party?,Mary wanted to use my bike, but I asked her not to (use my bike).,B: Yes , Id love to (come to your party).,Mary想用我的自行车，但我叫她别用。,4. 作表语,doing 表习惯性动作； to do表将来一次

10、性动作 My wish is to become a scientist. My job is teaching you English.,5. 作状语,不定式：作目的、结果(only之后)和原因(adj.之后) 分词：作时间、条件、伴随、结果和原因(句首),不定式作目的状语：不定式用作目的状语时，其句意特点很明显，通常在译成中文时可用“为了”来表示。 To save class time, our teacher has us students do half of the exercises in class and complete the other half for our home

11、work. Doctors worked through the night to save the life of the injured man.,不定式作结果状语,only to, enough to, too to, never to That tool is too heavy to lift directly. The temperature is high enough to change water into steam He went home, only to find the door open and everything was gone. He left, neve

12、r to come back.,（福建卷）Can the project be finished as planned? Sure,_ it completed in time, well work two more hours a day. A. having gotB. to getC. getting D. get （广东卷）He hurried to the station only _ that the train had left.A. to find B. findingC. found D. to have found （重庆卷）Daddy didnt mind what we

13、 were doing, as long as we were together,_ fun. A. had B. have C. to have D. having,6. 作定语to do将来的主动动作，to be done表将来的被动动作(句中有逻辑主语时用to do，若是不及物动词，要加介词)I have two books to read. Have you got anything to say? Hes looking for a room to live in. I dont have a pen to write with. I have clothes to wash, an

14、d do you have clothes to be washed? The question to be discussed is very important.,不定式与它修饰的名词是逻辑上的动宾关 系，且主语是不定式中的动词所表示动作 的逻辑主语或在句中能找到其逻辑主语。 He has a lot of work to do today Do you have anything more to say 区别：Are you going to the ball to be held on New Years Eve？,1.Frank is the kind of person who p

15、eople like to _. A. make friend with B. make friends of C. make friends D. make friends with 2.Theassistantworksveryhard.Sheisalwaysthe first_andthelast_. A.come,leaveB.coming,leaving C.tocome,toleaveD.tocome,leaving 解析：由only, last, next, 序数词或形容词最高级 修饰的名词常用不定式做定语。再如： She is always the first student

16、to arrive at school.,二、动词不定式的形式,一般式: to do （表将来） 一般被动式:to be done 进行式:to be doing（表正在进行） 完成式:to have done（表已经完成） 完成被动式:to have been done 否定式: not to do,动词不定式的时态,1. I opened the door to enter the room.,2. Mr. Smith is going to attend the meeting to be held tomorrow., 一般式( to do ).,不定式的一般式所表示的动作（状态）同时

17、（或几乎同时）发生，或之后发生。, 进行式( to be doing),1. I am very glad to be working with you.,2. He is said to be coming.,如果谓语表示的动作（情况）发生时，不定式所表示的动作正在进行。,动词不定式的时态,动词不定式的时态, 完成式（to have done),1. I am sorry to have kept you waiting so long.,2. You seemed to have read the novel written by Mr. Smith.,如果谓语表示的动作发生在不定式之后。

18、,1. I opened the door _(enter)the room. 2. Mr. Smith is going to attend the meeting _(hold) tomorrow. 3. Robert is said_(study)abroad, but I didnt know what country he studied in. 4. I am sorry_(keep) you waiting so long. 5. He didnt like _ (laugh). 6. He claimed _(badly treat)in the supper market w

19、hen he was doing shopping yesterday. 7. The teacher told us _(be) late again.,to enter,to be held,to have studied,to have kept,to be laughed at,to have been badly treated,not to be,三、疑问词+动词不定式,用作主语、宾语等。,When to start has not been decided.,I dont know what to do.,He can tell you where to get the book

20、.,I dont know how to do it.,四、动词不定式的复合结构： 1) for sb. to do sth 2) (It is +性格adj+) of sb. to do sth 性格adj：nice, kind, cruel, thoughtful, careful, careless It is very important for us to learn English. It is difficult for him to finish the task in such a short time. It is very nice of you to help me.

21、It was careless of him to make such a mistake.,达标练习,1.Fill in the blanks with the proper forms of the verbs given.,Im afraid itll be very hard for you _ (adapt) this story for children. After _ (think) everything over, she decided _ (not resign) her post. Youd better not get _ (annoy) at his ignoran

22、ce. All of us are satisfied, since everything seems _(go) on smoothly.,to adapt,thinking,not to resign,annoyed,to be going,5. It might be better _ (try) _ (discuss) in his own language as he isnt used to _(speak) in English yet. 6. _(see) from the hilltop, the lake is extremely beautiful. 7. If you couldnt get anything _ (open) the beer bottle with, why not _ (try) _(open) it with your teeth. 8. When I open the door, I noticed someone _(sit) by her side _(talk) with her.,to try,discussing,speaking,Seen,to open,try,opening,sitting,talking,9. He ran all