不定式公開課

1、M5 Unit1 Grammar Its a my pleasure to teach you infinitive here today. You should try your best to impress the teachers. I expect all of you to perform well in this class. To be honest, maybe a little hard .oThey advised me to give up smoking. oThey advised me _ _ _ _ smoking.oHe promised to take ca

2、re of the poor oHe promised _ _ _ _ _ the poorStep 1 基本形式和否定形式基本形式和否定形式肯定式肯定式: to do 否定式否定式: not to donot to give upnot to take care of動(dòng)詞不定式的時(shí)態(tài)和語態(tài)動(dòng)詞不定式的時(shí)態(tài)和語態(tài)I opened the door to enter the room. . 一般式一般式( to do /to be done).不定式的一般式所表示的不定式的一般式所表示的動(dòng)作（狀態(tài)）同時(shí)（或幾動(dòng)作（狀態(tài)）同時(shí)（或幾乎同時(shí)）發(fā)生，或之后發(fā)乎同時(shí)）發(fā)生，或之后發(fā)生。生。Step 2.

3、進(jìn)行式進(jìn)行式( to be doing)They seemed to be talking about something secret when I came in.如果謂語表示的動(dòng)作如果謂語表示的動(dòng)作（情況）發(fā)生時(shí)，不（情況）發(fā)生時(shí)，不定式所表示的動(dòng)作正定式所表示的動(dòng)作正在進(jìn)行。在進(jìn)行。. 完成式（完成式（to have done/to have been done)2. Im pleased to have been given this chance.1. You seemed to have read the novel written by Mr. Smith.如果不定如果不定式的

4、動(dòng)作式的動(dòng)作發(fā)生在謂發(fā)生在謂語之前。語之前。如果不定式的邏輯主語是不定式所表如果不定式的邏輯主語是不定式所表示的動(dòng)作的承受者，不定式要用示的動(dòng)作的承受者，不定式要用被動(dòng)被動(dòng)形式形式. 小小 結(jié)結(jié)to doto be doneto be doing/to have done to have been done練習(xí)練習(xí)Hello! Its good _ (see) you again.Bye-bye, Im glad _ (see) you. They pretend _(work) hard when the teacher came in.The girl students is said _

5、 (send) abroad last week.All the students in our class have entered for the sports-meeting _ (hold) next week.1. 作主語作主語2. 作賓語作賓語3. 作賓語補(bǔ)足語作賓語補(bǔ)足語4. 作定語作定語5. 作狀語作狀語6. 作表語作表語To do like that 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.S

6、he came here to study English. I warned the patient not to drink cold water after the operation. 主語主語 賓語賓語表語表語 定語定語 狀語狀語 賓補(bǔ)賓補(bǔ)Step 4 Step 4 不定式的用法不定式的用法Do you believe he can fly like a bird?How can you believe I can fly like a bird?o_is to believe. oIts impossible for humans _now.To seeto fly like a

7、bird作主語作主語_is our duty._is right= It is right to give up smoking.1.幫助你是我們的職責(zé)。幫助你是我們的職責(zé)。2. 放棄吸煙是對的。放棄吸煙是對的。不定式短語作主語時(shí)，如果不定式短語作主語時(shí)，如果主語太長，主語太長，常用常用it 作作形式主語，真正的不定式主語后置。形式主語，真正的不定式主語后置。To help you To give up smoking作主語作主語。一般用不定式做主語的句型 It +be +adj + for sb. to do sthIt +take +sb +time + to do sthIt +cost

8、 +sb +money + to do sthoMy job to_.oYour task to_ .不定式作表語不定式作表語protect the world.作表語作表語My job is_To see is_.1. 我的工作是教英語。我的工作是教英語。2. 眼見為實(shí)。眼見為實(shí)。to teach English.to believeoHe likes to_.oI find it still necessary (for him) to _ if he wants to win. 不定式作賓語不定式作賓語play basketball句型：句型：think/ consider/ find

9、it + adj.+ to do 只能接不定式作賓語的動(dòng)詞只能接不定式作賓語的動(dòng)詞口訣：口訣： 決定想做計(jì)劃需要同意，能做被用來做的事決定想做計(jì)劃需要同意，能做被用來做的事 迫不及待下決心做過去常常未能做的事迫不及待下決心做過去常常未能做的事 決定想做計(jì)劃需要同意，能做被用來做的事決定想做計(jì)劃需要同意，能做被用來做的事 decide to do sth. 決定做某事決定做某事 want would like to do sth. 想做某事想做某事 plan to do sth. 計(jì)劃做某計(jì)劃做某 need to do sth. 需要做某事需要做某事 agree to do sth. 同意做某事

10、同意做某事 afford to do 能做某事能做某事 be used to do 被用來做被用來做The teacher told me to_I expect you to_. 不定式作賓補(bǔ)不定式作賓補(bǔ)hand in my papers動(dòng)詞不定式動(dòng)詞不定式作賓補(bǔ)作賓補(bǔ)動(dòng)詞動(dòng)詞 + 賓語賓語 +to do 動(dòng)詞動(dòng)詞 + 賓語賓語 + do Li Mei asked me to show her the new dictionary .注：有以上結(jié)構(gòu)的常用動(dòng)詞有注：有以上結(jié)構(gòu)的常用動(dòng)詞有 tell. wish, ask, want , like, beg, invite,warn, allow

11、,encourage,advise 等。等。(不帶不帶 to 的不定式的不定式) 注：常用的動(dòng)詞是：感官動(dòng)詞注：常用的動(dòng)詞是：感官動(dòng)詞see, hear, feel, watch, notice； 使役動(dòng)詞使役動(dòng)詞 have ,make,let.在在feel, hear, listen to, look at, notice, observe, see, watch, have, let, make 等詞后的補(bǔ)足語中，不定式不帶等詞后的補(bǔ)足語中，不定式不帶to。但。但 是這些句子如果變成被動(dòng)結(jié)構(gòu)時(shí)，就必須帶是這些句子如果變成被動(dòng)結(jié)構(gòu)時(shí)，就必須帶to。Eg. I often hear him s

12、ing the song. He is often heard _the song. 注意 allow, ask, advise, encourage, expect, forbid, force, get, would like, order, permit, persuade, teach, tell, want, warn, wish( (構(gòu)成構(gòu)成“V.+ Sb.+ to do”V.+ Sb.+ to do”的形式的形式) )to sing賓補(bǔ)賓補(bǔ) 接不定式作賓語補(bǔ)足語的動(dòng)詞接不定式作賓語補(bǔ)足語的動(dòng)詞口訣：口訣： 請求與命令請求與命令 想要邀請期待鼓勵(lì)與建議想要邀請期待鼓勵(lì)與建議 答應(yīng)告

13、誡允許提醒和幫助答應(yīng)告誡允許提醒和幫助請求與命令請求與命令 ask sb. to do sth. 請求某人做某事請求某人做某事 tell sb. to do sth. 命令某人做某事命令某人做某事想要邀請期待鼓勵(lì)與建議想要邀請期待鼓勵(lì)與建議 want sb. to do sth. 想要某人做某事想要某人做某事 invite sb. to do sth. 邀請某人做某事邀請某人做某事 expect sb. to do sth. 期待某人做某事期待某人做某事 encourage sb. to do sth. 鼓勵(lì)某人做某事鼓勵(lì)某人做某事 advise sb. to do sth. 建議某人做某事建

14、議某人做某事 答應(yīng)告誡允許提醒和幫助答應(yīng)告誡允許提醒和幫助 promise sb. to do 答應(yīng)某人做某事答應(yīng)某人做某事 warn sb. not to do sth. 告誡某人做某事告誡某人做某事 allow sb. to do sth. 允許某人做某事允許某人做某事 remind sb. to do sth. 提醒某人做某事提醒某人做某事 help sb. (to) do sth. 幫助某人做某事幫助某人做某事I have something to say,but my brother has a lot of homework _,so I am looking for someon

15、e _.不定式作定語不定式作定語不定式作定語時(shí)，不定式作定語時(shí)，應(yīng)放在被修飾詞的后面，應(yīng)放在被修飾詞的后面，而且放在其他后置定語之后。而且放在其他后置定語之后。作定語作定語（必須后置）（必須后置） 1. Betty was the first/the last to come to school.2. We ll attend the meeting to be held next week.3. I have a child to look after at home. Do you have anything to say. Its a good school to study in.(具

16、有具有邏輯上的主謂動(dòng)賓關(guān)系）邏輯上的主謂動(dòng)賓關(guān)系）I got up early to_. I came here to_.(6) 不定式作狀語不定式作狀語in order to , so as to ,enough to ,only to , too.to.,catch the train作狀語作狀語He spoke loudly (so as / in order) to be heard.They jumped with joy to hear the news.Im too tired to walk any further tonight.目的狀語目的狀語.原因狀語原因狀語.結(jié)果狀語結(jié)

17、果狀語1 他回家去取鑰匙2 我說了什么話使你不高興?3 贏了這場足球賽,我們感到自豪He went home _ his keyWhat have I said _you happy?We are proud _the football matchto getto maketo have won目的狀語目的狀語.原因狀語原因狀語.結(jié)果狀語結(jié)果狀語Consolidation(p20)To tell the truth, I am not happy at the moment.(7).獨(dú)立結(jié)構(gòu)獨(dú)立結(jié)構(gòu)to be frank, to be honest, to tell the truth牛刀小試

18、牛刀小試1. My mother often asks me _ some cleaning on Sundays A do B. does C. did D. to do 2. Do you often hear John _in his room ? Listen! Now we can hear him _ in his room . A.sing , to sing B. sing, sing C. sing , singing D. to sing , singing 3.Lets _swimming after the exam . A.go B. goes C. to go D.

19、 went4. Youd better _a bus . A.to catch B. catch C. catches D. catchingp241. The patient was warned _ oily food after the operation. A. to eat not B.eating not C. not to eat D.not eating2. 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

20、ne C. going D. having gone3. Charles Babbage is generally considered _the first computer. A. to invent B. inventing C. to have invented D. having invented4. Little Jim should love _ to the theatre this evening. A. to be taken B. to take C. being taken D. taking5. _ late in the afternoon, Bob turned

21、off the alarm. A. To sleep B. Sleeping C. Sleep D. Having sleep6. The teacher asked us _ so much noise. A. dont make B. not make C. not making D. not to make7. Paul doesnt have to be made _. He always works hard. A. learn B. to learn C. learned D. learning9. The boy wanted to ride his bicycle in the

22、 street, but his mother told him _. A. not to B. not to do C. not to ride D. do not to10. Robert is said _ abroad, but I dont know what country he studied in. to have studied B. to study C. to be studying D. to have been studying11. The purpose of new technologies is to make life easier, _ it more d

23、ifficult. not make B. not to make C. not making D. dont make12. Ive worked with children before, so I know what _ in my new job. expected B. to expect A.C. to be expecting D. expects13. Having a trip abroad is certainly good for the old couple, but it remains _ whether they will enjoy it. A. to see B. to be seen C. seeing D. see14. It is said in Australia there is more land than the government knows _. it what to do with B. what to do with it C. what to do it with D. to do what with it1. So far nobody has