it句型scanning

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1、it 句型scanning1. It is + 被强调部分 + that . It was about 600 years ago that the first clock with a face and an hour hand was made. It was they that (who ) cleaned the classroom yesterday. It was in the street that I met her father. 2. It is not until + 被强调部分 + that . It was not until she took off her dar

2、k glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didnt realize she was a famous film star until she took off her dark glasses.3. It is clear ( obvious, true, possible, certain.) that . It is very clear that he

3、s round and tall like a tree. = That hes round and tall like a tree is very clear. 4. It is important ( necessary, right, strange, natural.) that .该句型和上一个同属一个句型。由于主句中的形容词不同，that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去。建议记住该句型中的形容词。 It is important that we (should) learn English well. It is necessary

4、that he (should) remember these words. 5. It is said (reported, learned.) that .。 It is said that he has come to Beijing. It is reported that another earth satellite has been put into orbit.6. It is suggested ( ordered . ) that .该句型和上一个同属一个句型。主句中的过去分词是表示请求，建议，命令等词时，that 后的从句要用虚拟语气（should + 动词原形），sho

5、uld 可以省。常译为据建议；有命令） It is suggested that the meeting ( should ) be put off. It was ordered that we ( should ) arrive there in two hours. 7. It is a pity ( a shame . ) that .该句型中，that后的从句一般用虚拟语气（should + 动词原形），should可省去表示出乎意料，常译为竟然。没有这种意义时，则不用虚拟语气。 It is a pity that such a thing ( should ) happen in

6、your class.这种事竟然发生在你们班上，真是遗憾！ It is a pity that he is ill. 他生病了，真遗憾！ 8. It is time ( about time ,high time ) that It is time that children should go to bed. = It is time that children went to bed. 9. It is the first ( second . ) time that sb have done sth. It is the first time I have been here. = Th

7、is is the first time I have been here. 10. It be . before .该句型主句中的 it 指时间, 主句中的时态常是将来一般时或过去时两种时态主句中的表语多是long, not long , 3 days , 2 weeks 等表示时间段的词或短语。常译为之后或“要过多久才能”。 It was 3 days before he went to Beijing. It will be not long before he finishes his job. 11. It happens (seems, looks, appears ) that.

8、 It happened ( so happened ) that he met his teacher in the street. 碰巧 It seems that he will be back in a few days. 看来 12. It takes sb. . to do sth. It took thousands of people many years to build the Great Wall. 13. It is no good (use ) doing sth. It is no good learning English without speaking Eng

9、lish. 14. It doesnt matter whether ( if ) . It doesnt matter if they are old. 15. It is kind ( of sb. ) to do sth. 该句型中的不定式短语是真正主语，如果不定式的逻辑主语是由 of引起，主句中的形 容词必须是能表示逻辑主语特征的形容词。常见的有： bad , brave , careless, clever , cruel , foolish , good （好心的）, honest , horrible , kind , lazy , modest , naughty , nice

10、（有教养的）, polite, rude , silly , stupid , wise , wrong（错误的）等。 这个句型可以改写为：sb. is kind to do sth. It is kind of you to say so. = You are kind to say so. 16. It is necessary ( for sb. ) to do sth. 该句型与上一个同属一个句型。如果不定式的逻辑主语是由for引起，主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的形容词。常见的形容词有： important, necessary, natural

11、easy , safe , common , normal , hard , difficult , dangerous , unusual, rare , impossible , pleasant等。 在中的形容词作表语可以用从句改写， 如： It is important for her to come to the party. = It is important that she (should ) come to the party17. It looks ( seems ) as if . 该句型中it无意义。 as if 引导一个状语从句。常译为，看起来好象如果 与事实不相符合

12、，则用虚拟语气 It looks as if he is ill.（真的病了） It looks as if he were ill. （没有生病） It seemed as if he were dying. We think it important to learn a foreign language. 该句型中的it 作形式宾语。为了记忆方便我们可称该句型为6123结构。6指主句中常用的动词：think, believe, make, find, consider, feel；1指的是形式宾语it； 2指的是宾补的两种形式：形容词或名词；3指的是真正宾语的三种形式：不定式短语，动名词

13、短语或that引导的宾语从句。 We think it our duty to clean our classroom every day. He felt it important learning English well. They found it difficult that they would finish their work in two days.it的用法专练1. The boy became fatter and fatter each day and made his parents sad. The boy became fatter and fatter each

14、 day, _ made his parents sad. A. which B. what C. he D. it 2. Someone is ringing the doorbell. Go and see . A. who is he B. who he is C. who is it D. who it is 3. In fact, is a hard job for the police to keep order in an important football match. A. this B. that C. there D. it4. Toms mother kept tel

15、ling him that he should work harder, but didnt help. A. he B. which C. she D. it5. Doesmatter whether he can finish the job on time? A. this B. that C. he D. it6. I took for granted that he would believe in us. A. that B. the thing C. it D. this7. He lived in poverty, and he couldnt help . A. so B.

16、such C. it D. that8. We had to be patient because itsome time we got the full results. A. has been ； since B. had been ； until C. was； after D. would be ； before 9. Have you ever seen a whale alive? Yes, Ive seen . A. that B. itC. suchD. one10. Our classroom is very clean. Do you know whocleaned it?

17、 A. was it that B. it was that C. was it who D. he was 11. Its the third time arrived late this month. A. that you B. when you C. that youve D. when youve 12. He said, “a long way to school.a long way to go yet before we arrived. ” A. It is ； There isB. There is ； It is C. It is ； It is D. There is；

18、 There is13. for the free tickets, I would not have gone to the films so often. A. If it is not B. Where it not C. Had it not been D. If they were not 14. She finds boring at home. A. it； staying B. that； being stayed C. this； to stay D. it； stayed 15. Now then, children. Its high time you and dress

19、ed. A. washed B. should wash C. were washed D. are washed 16. the people have become the master of their own countryscience can really serve the people. A. It is only then； that B. It was that； when C. It is only when；that D. It was when；then17. I like _ in the autumn when the weather is clear and b

20、right.(NMET 2004)A. this B. that C. it D. one18. is no difference between his book and hers. A. There B. Where C. It D. What 19. How long to finish your composition? A. will it take you B. will take you C. you will take it D. you will take 20. is just like him to want to do something different from

21、everybody else. A. It B. There C. He D. Who 21. I hate _ when people talk with their mouths full.A. itB. thatC. theseD. them22. _ is a fact that English is being accepted as an international language.A. ThereB. ThisC. ThatD.It23. It was not until 1920 _ regular radio broadcasts began. (NMET90) A. wh

22、ileB. whichC. thatD.since24. I dont think _ possible to master a foreign language without much memory work.A. thisB. thatC. itsD.it25. - Have you found the bike you lost yesterday?- Yes, I have found _ already.A. thatB. itC. the oneD.that one26. _ was _ who I met in the museum this morning.A. It; hi

23、mB. It; heC. That; heD. That; him27. _ you come to the party so late?A. Why is itB. Why it isC. Why it is thatD.Why is it that28. It is the ability to do the job _ matters not where you come from or what you are.(NMET 2000)A. oneB. thatC. whatD. it29. The Foreign Minister said, “_ our hope that the

24、two sides will work towards peace. ”(NMET2004)A. This isB. There is C. That isD. It is 30. _ is reported in the newspapers, talks between the two countries are making progress.(NMET2004) A. ItB. As C. ThatD. What31. Do you like _ here?(NMET 2004)Oh, yes. The air, the weather, the way of life. Everyt

25、hing is so nice.A. thisB. these C. thatD. it32It was back home after the experiment.(NMET 2004 湖北)Anot until midnight did he go Buntil midnight that he didnt go Cnot until midnight that he went Duntil midnight when he didnt go 33. I intended to compare notes with a friend, but unfortunately couldnt spare me even one minute.A. theyB. oneC. whoD. it