高二英語(yǔ)_Unit2_《Robots》語(yǔ)法課件_新人教版選修7_(2) (1).ppt

1、Unit 2 Robot,Revision of The passive Infinitive,不定式被動(dòng)式講與練,不定式語(yǔ)法 不定式的時(shí)態(tài)和語(yǔ)態(tài),不定式有時(shí)態(tài)和語(yǔ)態(tài)的變化，時(shí)態(tài)共四種，即一般式、完成式、進(jìn)行式和完成進(jìn)行式。語(yǔ)態(tài)分為主動(dòng)語(yǔ)態(tài)和被動(dòng)語(yǔ)態(tài)，如下表所示。,當(dāng)動(dòng)詞不定式的邏輯主語(yǔ)是動(dòng)詞不定式所表示的動(dòng)作的執(zhí)行者時(shí)用主動(dòng)語(yǔ)態(tài)； 當(dāng)動(dòng)詞不定式的邏輯主語(yǔ)是動(dòng)詞不定式所表達(dá)的動(dòng)作的承受者時(shí)用被動(dòng)語(yǔ)態(tài)。 進(jìn)行式和完成進(jìn)行式?jīng)]有被動(dòng)語(yǔ)態(tài)。,一、 不定式的被動(dòng)形式有下列用法,1作主語(yǔ)： It is an honour for me to be asked to speak here. 2作賓語(yǔ)： S

2、he asked to be sent to work in Xinjiang.,一 當(dāng)不定式的邏輯主語(yǔ)是不定式所表示的動(dòng)作的承受者時(shí)，不定式一般要采用被動(dòng)形式。 ,3. 作表語(yǔ)： His dream was to be admitted to a good university. 4作定語(yǔ)： Are you going to the meeting to be held in the teachers office? 5作狀語(yǔ)： She was too young to be assigned such work.,二、不定式有時(shí)還可以有完成式的被動(dòng)式，在句中作主語(yǔ)、賓語(yǔ)、定語(yǔ)、表語(yǔ)，如：

3、It is a good thing for him to have been criticized.（主語(yǔ)）他受到批評(píng)是件好事。 She preferred to have been given heavier work to do. (賓語(yǔ))她寧愿分給她的是更重要的工作。,He is not likely to have been notified about it.(表語(yǔ)) 這事多半還沒有通知他。 She was the first woman to have been elected to such a post. （定語(yǔ)） 她是第一位當(dāng)選這個(gè)位置的婦女。,三、不定式的主動(dòng)形式表示被動(dòng)

4、,1在there be結(jié)構(gòu)中 用來修飾主語(yǔ)的不定式可以用被動(dòng)形式，也可以用主動(dòng)形式。 例如：There is a lot of homework to do (也可用to be done) There is no time to lose (to be lost).,三、不定式的主動(dòng)形式表示被動(dòng),2在“npron + be + adj + to do”結(jié)構(gòu)中。常用的形容詞有easy，difficult，hard，impossible，nice，pleasant，light，heavy，interesting，important，expensive，cheap， fit， dangerous等。

5、,例如：He is hard to convince. He is an impossible person to work with,三、不定式的主動(dòng)形式表示被動(dòng),3.在“too.to do; enoughto”結(jié)構(gòu)中。如： The problem is too difficult to work out (to be worked out) The house is big enough to live in.,三、不定式的主動(dòng)形式表示被動(dòng),4在“with+n+to do”結(jié)構(gòu)中。 例如：With nothing to do，he lay in bedWith so many exerci

6、ses to do，I cant go to the cinema,三、不定式的主動(dòng)形式表示被動(dòng),5當(dāng)不定式的邏輯主語(yǔ)在句中出現(xiàn)時(shí)。 例如： I have a letter to type today (I是to type的邏輯主語(yǔ)) Do you have anything to say? (you是to say的邏輯主語(yǔ)),三、不定式的主動(dòng)形式表示被動(dòng),6當(dāng)不定式隱含在for sb to do結(jié)構(gòu)中 時(shí)。 例如：This is the best book to read (=for usyou to read)The important thing to do is to lock the

7、 door when we leave the house,三、不定式的主動(dòng)形式表示被動(dòng),7一些作表語(yǔ)用的不定式的主動(dòng)形式。 常見的這類動(dòng)詞有rent，hire，blame等。 例如： The house is to rent I felt l was to blame.,NOTICE,動(dòng)詞不定式主動(dòng)語(yǔ)態(tài)形式的使用要比被動(dòng)語(yǔ)態(tài)形式的使用普遍，有時(shí)（尤其在口語(yǔ)中）雖然意思上是被動(dòng)的，也往往用主動(dòng)語(yǔ)態(tài)形式來表示。 I have three motors to repair today. The task is difficult to finish on time.,1. Having a tri

8、p 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. seen,Exercise,B,2. I hurried to the meeting hall, only_ that the meeting had been put off. A. to tell B. to be told C. telling D. told,B,3. Do let your mother know all the

9、truth, she appears_ everything. A. to tell B. to be told C. to be telling D. to have been told,D,4. Little Tom should love_ to the theater this evening. A. to be taken B. to take C. being taken D. taking,A,5. It is said that plastics can be used to_ many things. Now people are used to_ plastics prod

10、ucts. A. make; using B. making; using C. making; use D. make; use,A,6. With a lot of problems_, the newly-elected president is having a hard time. A. settled B. settling C. to settle D. being settled,C,7. He_ and was made to repeat it. A. didnt understand B. didnt be understood C. wasnt understand D

11、. wasnt understood,D,8. The pupils here_ all kinds of exercises every day in the past four weeks. A. kept busy doing B. keep on doing C. have kept busy doing D. have been kept busy doing,D,9. Visitors_ not to touch the exhibits. A. will request B. request C. are requesting D. are requested,D,10. In

12、some parts of the world, tea _ with milk and sugar. A. is serving B. is served C. serves D. served,B,The purpose of new technologies is to make life easier _ it more difficult. (MET99) A. not make B. not to make C. not making D. do not make,不定式與高考題,2. Ive worked with children before, so I know what

13、_ in my new job. (MET2000) A. Expected B. to expect C. to be expecting D. expects 3. Having a trip abroad is certainly good for the old couples but it remains _ whether they will enjoy it. (MET2001) A. to see B. seen C. seeing D. to be seen,4. Allen had to call a taxi because the box was _ to carry

14、all the way home. (MET2003) A. much too heavy B. too much heavy C. heavy too much D. too heavy much,5._late in the afternoon, Bob turned off the alarm. (2001年北京春季高考)A. To sleep B. Sleeping C. Sleep D. Having sleep 6.With a lot of difficult problems _,the newly-elected president is having a hard time.(2002年上海春季高考) A. settled B. settling C. to settle D. being settled,7. She will tell us why she feels so strongly that each of us has a role _in making the earth a better place to live. (2003上海春季高考) A. to have played B. to play C. to be played D.