it 语法 必修 6.ppt

1、,The use of it,The use of “it”,1.用作人称代词，代表前面提到的人或事物。,Whos it? _me. Look at the picture. _is a picture of our school.,Its,It,2.用于代替指示代词this 和that.,-Is this jacket yours? -Yes, _is.,it,3.用以表示时间、距离、天气、气候、季节、环境等,It is half past eight now. Its only half an hours walk from here to our school. I hope that

2、it will be fine tomorrow. It has rained much this year. Its spring now. Its quiet here.,Time,Distance,Weather,Weather,Season,Circumstance,4.作引导词，在句中作形式主语或形式宾语，代替后面的短语或从句。,Instead of “to do” It is important for us to learn English well. I found it necessary to tell him about the matter.,Sub.,Formal O

3、bject,2) Instead of “doing” It is no use quarrelling with him about it. I think it no good talking to her.,3) Instead of “clause” It doesnt matter whether he will come or not. I think it necessary that we will attend the meeting.,5.用于强调句型中,It + be +被强调部分 + that/who(a person)从句,I met Tom in the park

4、yesterday.,1) It was I who met Tom in the park yesterday.,2) It was Tom who I met in the park yesterday.,3) It was in the park that I met Tom yesterday.,4) It was yesterday that I met Tom in the park.,It was five oclock _I got home. It was at five oclock_ I got home.,when,that,1)He didnt come becaus

5、e he was ill.,It was because he was ill that he didnt come.,2) She didnt go to bed until her father came back.,It was until her father came back that she didnt go to bed.,(wrong),Not until her father came back did she go to bed.,It was not until her father came back that she went to bed.,It was not_

6、she took off her dark glasses _I realized she was a famous film star.(92) A.when, that B.until,when C.until,that D.when,then 2) It was not until_that _to prepare his lessons.(91) A.did his father come in, the boy began B. did his father come in, did the boy begin C.his father came in, did the boy be

7、gin D.his father came in, the boy began,C,D,强调句型,特殊句式： It is reported that China has launched another man-made satellite. It is ordered that the soldiers should cross the river at once. It seems that he has learnt of the news. It happened that I took no money with me. It matters very much/makes grea

8、t difference whether to go or not.,据报导,命令,似乎,碰巧,去还是不去大不一样。,6) It surprised me that he failed to pass the exam. 7) It was not long before he returned to Beijing. 8) How long will it be before he comes back? 9) It will be long before he comes back. 10) It is five years since he joined the Party.,他考试不及

9、格使我感到惊奇。,不久，他就回到了北京。,过多长时间他才回来呢？,再过很长时间他才回来。,Exercises: 1.I hate _ when people talk with their mouths full. it B. that C.these D. them 2. In which play is _ your brother will appear? that where B. this when C. it that D. it where 3. _ the harder you work, the better result youll get. Its believed th

10、at B. What we believed that C. Its fact D. What the fact is 4. Nothing can stop us , _? A. cant it B. can it C. cant we D. can we,A,C,A,B,5.-Can you tell us how the war was won in the end ? - I dont know, _. Its hard to say B. It doesnt matter C. Its no use saying D. It depends on the work 6. Does _

11、 matter a lot whether she will come here by bus or by taxi? The thing B. that C. it D. her mother 7. -Listen! Someone is unlocking the goods. - _ must be your father coming back from Beijing. A. It B. There C. That D. This,A,C,A,8. -Have you written a letter to her ? - No , but Im going to write _ t

12、onight. A.it B. that C. those D. one 9. - Are they coming to the meeting ? - _. I know so B. I am sure so C. I am sure of it D. I question it 10. _ now pretty late, we took candles and went upstairs. Being B. For C. For being D. It being 11.Our food and service are better than _ used to be. A. It B.

13、 we C. they D. them,D,A,D,C,12.The teacher told the students _. A.why to learn English important B.why was it important to learn English C.why it important to learn English D.why it was important to learn English 13.The TV sets made in China are much better than _ in Japan. that B. those C. them D.

14、it 14.-Im looking for a flat. -Would you like _ with _ garden? A.it; the B.it; a C. one ; a D. one ;the 15._ four years since I joined the Army. A. It was B. It is C. There is D. There was,D,B,C,B,Discuss the following sentences and tell the function of “ it ”: 1. Its difficult to remember all their

15、 names. 2. Its very quiet in the caf. 3. It rained for three days . 4. He made it clear that he didnt want to speak to me . 5. It was nice to meeting you. 6. It was on Tuesday that Smith came. 7. Its three miles from here to the nearest garage.,Exercises,形式主语,代替,Circumstance,Weather,形式宾语,代替,形式主语,代替,用于强调句型中,Distance,8. A tall man stood up and shook hands. It was captain Lawrie. 9. I hear you bought a new bike .Can you show it to me ? 10. It was five oclock when we got back home yesterday. 11. It was dirty and wet below the s