動(dòng)詞不定式精品課件

1、2021/3/91 2021/3/92動(dòng)詞不定式動(dòng)詞不定式 的構(gòu)成的構(gòu)成：(not) to+do(動(dòng)詞原形動(dòng)詞原形)2021/3/93 A to-infinitive can be used as主語(yǔ)主語(yǔ)（Subject）表語(yǔ)（表語(yǔ)（Predicative）賓語(yǔ)（賓語(yǔ)（Object）賓補(bǔ)（賓補(bǔ)（Object complement）定語(yǔ)（定語(yǔ)（Attributive）狀語(yǔ)（狀語(yǔ)（Adverbial）2021/3/94To grow trees is very important. It is very important to grow trees.不定式作主語(yǔ)時(shí)不定式作主語(yǔ)時(shí),往往放在謂語(yǔ)往往

2、放在謂語(yǔ)之后之后,用用it作形式主語(yǔ)。作形式主語(yǔ)。2021/3/95Say in another way, using it. To learn from your friends is important. To leave without saying goodbye is impolite. To chat with Miss White is a pleasant thing. To walk to school takes me ten minutes.It is important to learn from your friends.It is impolite to leave

3、 without saying goodbye.It is a pleasant thing to chat with Miss White.It takes me ten minutes to walk to school.2021/3/96 do 你那樣做是有禮貌的。 It is polite of you to do that. = You are polite to do that. (good, kind, nice, rude, clever, right, silly, thoughtful, brave, selfish) (easy, hard, difficult, imp

4、ortant, possible, necessary)2021/3/97 對(duì)他來(lái)說(shuō)，說(shuō)英語(yǔ)很容易。對(duì)他來(lái)說(shuō)，說(shuō)英語(yǔ)很容易。 對(duì)我們來(lái)說(shuō)，努力學(xué)習(xí)是必對(duì)我們來(lái)說(shuō)，努力學(xué)習(xí)是必 要的。要的。 您能幫助我，真是太好了。您能幫助我，真是太好了。 It is easy for him to speak English.It is necessary for us to study hard. It is very kind of you to help me.2021/3/98be My dream is to be a good teacher . Its work is to clean the

5、room every day.2021/3/99Complete the following sentences.1.The doctors suggestion is _(take)more exercise.2.The best way is_(talk) to your parents.3.His plan is _ (今今 年夏天年夏天 到北京旅游到北京旅游).4.My purpose is _(幫你解決這個(gè)問(wèn)題幫你解決這個(gè)問(wèn)題).to taketo talkto travel to Beijing this summerto help you solve this problem20

6、21/3/910及物動(dòng)詞賓語(yǔ) We begin to read English at 6:30a.m. She forgot to close the door.常用動(dòng)詞不定式作賓語(yǔ)的動(dòng)詞有：常用動(dòng)詞不定式作賓語(yǔ)的動(dòng)詞有： want, plan, hope,wish, learn, decide,would like, begin, start, try,need, forget, choose,prepare, agree, promise,manage,encourage,2021/3/911Complete the following sentences.1.I _ (希望收到希望收到來(lái)

7、信來(lái)信) you soon. 2.John _ (不想當(dāng)不想當(dāng)) the host of the charity show.3.Theyre _ (試著解決試著解決) the problem by himself.4.Millions of people _ (已學(xué)已學(xué)會(huì)使用會(huì)使用) computers. hope to hear fromdoesnt want to betrying to solvehave learned to use2021/3/912think/ find / consider+ it+ adj. + to do 動(dòng)詞不定式作賓語(yǔ)動(dòng)詞不定式作賓語(yǔ)的注意事項(xiàng)（的注意事項(xiàng)

8、（） 不定式作賓語(yǔ)時(shí)，如帶有賓語(yǔ)補(bǔ)足語(yǔ)，則要把不不定式作賓語(yǔ)時(shí)，如帶有賓語(yǔ)補(bǔ)足語(yǔ)，則要把不定式放到后面，用定式放到后面，用it作形式賓語(yǔ)，構(gòu)成作形式賓語(yǔ)，構(gòu)成“主語(yǔ)主語(yǔ)+動(dòng)動(dòng)詞詞+it+賓補(bǔ)（形容詞、名詞）賓補(bǔ)（形容詞、名詞）+不定式不定式”結(jié)構(gòu)。如：結(jié)構(gòu)。如： I found it necessary to talk to him again. I found it important to learn English.2021/3/913動(dòng)詞不定式作賓語(yǔ)的注意事項(xiàng)（動(dòng)詞不定式作賓語(yǔ)的注意事項(xiàng)（） 有些動(dòng)詞既可跟不定式作賓語(yǔ)，也可有些動(dòng)詞既可跟不定式作賓語(yǔ)，也可跟動(dòng)名詞作賓語(yǔ)，但含義不同：跟

9、動(dòng)名詞作賓語(yǔ)，但含義不同： forget to do sth.忘記要做某事忘記要做某事 forget doing sth.忘記曾經(jīng)做過(guò)某事忘記曾經(jīng)做過(guò)某事 stop to do sth. 停下來(lái)去做某事停下來(lái)去做某事 stop doing sth.停止做某事停止做某事 go on to do sth.繼續(xù)做另一件事繼續(xù)做另一件事 go on doing sth.繼續(xù)做原來(lái)在做的事繼續(xù)做原來(lái)在做的事 need to do sth.需要做某事需要做某事 need doing sth. 需要被做需要被做2021/3/9141. 別忘了離開(kāi)時(shí)把燈關(guān)了。別忘了離開(kāi)時(shí)把燈關(guān)了。 Dont forget b

10、efore leaving.2. 父親必須戒煙了。父親必須戒煙了。 Father must stop .3. 他看完電視后，繼續(xù)看了一會(huì)書(shū)。他看完電視后，繼續(xù)看了一會(huì)書(shū)。 After he watched TV, he went on for a while.4. 這輛自行車(chē)需要修理了。這輛自行車(chē)需要修理了。 This bike needs_.to turn off the lightssmokingto readrepairing/mending2021/3/915 She asked me not to watch TV. Lucy told him not to cry. Tell he

11、r to turn it down.ask, tell, want, need, wish, warn, advise, encourage, invite , expect ,teach,would like, hope sb. to do sth.wish2021/3/916Complete the following sentences.1.Mr Lu _ (要求我們交要求我們交) our homework on time.2.The doctor _ (建議建議 格林先生喝格林先生喝) more water.3.Mr Wu _ (叫學(xué)叫學(xué) 生別嚷嚷生別嚷嚷) in class.4.Mr

12、s Read _ (希望兒子希望兒子學(xué)學(xué)) English well. asks us to hand in advised Mr Green to drink tells the students not to shout wishes her son to learn2021/3/917四看四看 三使三使 二聽(tīng)二聽(tīng)一感覺(jué)一感覺(jué):feel (在被動(dòng)語(yǔ)態(tài)中則to 不能省掉)help 可帶to，也可不帶tohelp sb (to) do sthhear listen toletmakehaveseewatchlook at notice2021/3/918 had better do sth./

13、not do sth. Why not do sth? Would you please do sth.? Would rather do than do sth. (在被動(dòng)語(yǔ)態(tài)中則在被動(dòng)語(yǔ)態(tài)中則to 不能省掉不能省掉)2021/3/9191.John was made the car for a week as a punishment A.to wash B.washing C.wash D. to be washing2.The patient was warned food after the operation. A.to eat not B.eating not C. not to

14、 eat D.not eating3.Internet bars mustnt let anybody bad things , especially children. A. watch B.to watch C.watching D.watchesACAExercises:2021/3/920 感官動(dòng)詞感官動(dòng)詞(feel, listen to, hear, see , watch, look at , notice) 后既可跟不帶后既可跟不帶to的不定式的不定式作賓補(bǔ)，也可跟作賓補(bǔ)，也可跟v-ing作賓補(bǔ)作賓補(bǔ).前者表示動(dòng)前者表示動(dòng)作的全部過(guò)程已結(jié)束；后者表示動(dòng)作正作的全部過(guò)程已結(jié)束；后者

15、表示動(dòng)作正在進(jìn)行。在進(jìn)行。 I often hear her sing in the next room . I heard her singing in her room just now.2021/3/921 不定式作定語(yǔ)時(shí)，應(yīng)放在被修飾詞的后面。不定式作定語(yǔ)時(shí)，應(yīng)放在被修飾詞的后面。 We have a lot of homework to do .如果不定式中的動(dòng)詞是不及物動(dòng)詞如果不定式中的動(dòng)詞是不及物動(dòng)詞,則不定式中要有介詞則不定式中要有介詞. He is looking for a room to live in . There is nothing to worry about.

16、something, anything, nothing+adj.+ to do I have something interesting to tell you.2021/3/922Find the to-infinitive in each sentence.1.Mr Wu is always the first to come and the last to leave.2.There is no need to trouble him.3.Have you got anything important to tell me?4.Ive got nothing to worry abou

17、t.5.Im thirsty. Give me something to drink.6.Spring is the best season to plant trees.7.We all have a chance to go to college.2021/3/9231. come to do sth.2. go to do sth.3. stop to do sth.4. in order (not) to do 5. too + adj. + to do sth.6. adj.adv. + enough to do sth.2021/3/924 Complete some senten

18、ces:1、_(為了為了提高英語(yǔ)成績(jī)提高英語(yǔ)成績(jī)), Tom goes to the English corner every day. 2、I was_(太累太累了，難于入睡。了，難于入睡。) 3、She ran fast _(為為了趕上早班車(chē)了趕上早班車(chē)).4、He is_(富有富有得得可以買(mǎi)輛小汽車(chē)可以買(mǎi)輛小汽車(chē)).In order to improve his English too tired to fall asleep.to catch the first bus rich enough to buy a car.2021/3/925 不定式與疑問(wèn)詞不定式與疑問(wèn)詞who,whic

19、h,when, who,which,when, how,what,wherehow,what,where等連用，在句中起等連用，在句中起名詞作用，可充當(dāng)主語(yǔ)、表語(yǔ)、賓名詞作用，可充當(dāng)主語(yǔ)、表語(yǔ)、賓語(yǔ)等。語(yǔ)等。在與在與whywhy連用時(shí)，只用于連用時(shí)，只用于whywhy或或why why notnot開(kāi)頭的簡(jiǎn)短疑問(wèn)句中，后面緊跟的開(kāi)頭的簡(jiǎn)短疑問(wèn)句中，后面緊跟的動(dòng)詞不定式不帶動(dòng)詞不定式不帶toto。 Why not have a rest?2021/3/926Complete the following sentences.1.He didnt know . (說(shuō)什么說(shuō)什么)。2. is very

20、 important. (如何如何解決這個(gè)問(wèn)題解決這個(gè)問(wèn)題) 3.My question is . (什么時(shí)候開(kāi)始什么時(shí)候開(kāi)始)。4. Please show us .(如何使如何使用計(jì)算機(jī)用計(jì)算機(jī))5. I dont know for you(買(mǎi)什么東買(mǎi)什么東西西).what to sayHow to solve the problem when to starthow to use the computerwhat to buy2021/3/927 用作介詞的用作介詞的to (to+名詞/動(dòng)名詞) look forward to hearing from you be used to ge

21、tting up early devote himself to helping poor children pay attention to your spelling prefer watching TV to doing homework2021/3/928Complete the following sentences.1.We all look forward to (hear) the good news.2. He . (寧愿呆在家里也不愿去看電影寧愿呆在家里也不愿去看電影) 3.Yin Xuemei devoted all her life to . (teach)4. Fat

22、her (習(xí)慣于看習(xí)慣于看報(bào)報(bào))after supper.5. If someone laughs at you, you should .(不理睬不理睬)hearingprefers staying at home to going to the cinemateachingis used to reading newspapers pay no attention to him2021/3/929 Its time to do sth. It takes timemoney to do sth. be too +adj. +to do sth. be+ adj.+ enough + to

23、do sth. had better + (not) do sth. Why not do sth.? prefer + A/doing A +to + B/doing B prefer to do sth. would rather do A than (do) B would rather (not) do sth. WillWould you please (not)do sth.? be ready to do sth. 13.be afraid to do sth.14.Its + adj.+(for/of sb.) to do sth.15.Id like/love to do sth.2021/3/9302021/3/931My lovely sonChen Yinan is a