特殊句式---It用法看过来.doc

It用法看过来it是中性的第三人称单数代词，其主格和宾格形式相同，在句中可充当主语、宾语和表语。还可做形式主语和宾语，来替代不定式、动词的ing和从句。 人称代词it的用法：1）.It一般指人以外的一切生物或事物。有时也指婴儿、小孩或不知性别的人。- Where is your car?你的车呢？- Its in the garage.在车库里。Look! Its going up that tree.瞧！它正往树上爬呢。Her baby is due next month. She hopes it will be a boy.她的孩子该下个月出生。她希望会是个男孩。Someone is ringing. Who might it be?有人在按门铃，会是谁呢？2).指已知或正在发生的事实或情况。Yes, I was at home on Sunday. What about it?是的，我星期天就在家，怎么了？Stop it. You are hurting me.住手。你弄疼我了。If I can help it, I dont like working late into the night. （06 全国卷）如果能行的话，我就不会熬到深夜了。3). 指上下文内容Professor Lee gave us a lecture yesterday. It was of great interest. Professor Lee gave us a lecture yesterday, which was of great interest.昨天李教授给我们做了一个报告，很有趣。Yang Liwei was the first Chinese to be sent up into space. It made the Chinese proud.Yang Liwei was the first Chinese to be sent up into space, which made the Chinese proud.杨利伟是第一个被送入太空的中国人，这使得中国人非常自豪。She runs the store very well and I know it.She runs the store very well, which I know.她把这家商店经营的很好，这我清楚。 非人称代词it的用法。it用作无人称的主语，不指物，而表示天气、季节、时间或事物的状态。1）.指时间Its early spring, but its already very hot.虽然是初春，但已经很热了。What time is it by your watch?你表上几点了？2）. -Whats the weather like today?- Its very cold today.3).指距离Its about 15 minutes walk from here to the bar.从这儿到酒吧步行需15分钟。How far is it from your company to your home ?从你家到公司有多远？ 当指示代词用1）用以明确身份Its your mother on the phone.是你母亲来的电话。Hello, Peter, its Mike here.喂，彼得，我是迈克。Hi, its me.嗨，是我。2）指代this、thatThis is your plan, isnt it?-Whats this?-Its a book.it当作形式代词的用法：1）.it当作形式主语的用法在英语当中，常用it来替代做主语的不定式、ing和从句，以保持句子的平衡。A. 替代不定式It took me three hours to finish the work.完成这项工作花了我三个小时的时间。Its kind of you to help me.你能帮我真是太好了。Its hard for us to learn English.对我们来说学英语有点难。注意：Its adj for/of sb to do sth.中for和of的确定一般是由前面的形容词来定的。即前面的形容词是表示人的性格、品质等特征的词，用of；其他情况下用for。B. 替代ingIts no use crying over spilt milk.覆水难收。Its no good doing it.做这件事没有好处。Its well worth reading the book.这本书很值得一读。Its great fun climbing mountains on rainy days.雨天爬山真有趣。注意：ing一般都是亲自做主语，在下列句式中才用it做形式主语。Its no good/use/well worth doing sth.Its not any good/use doing sth.Its fun doing sth.C.替代从句Its a fact that the population is still increasing.人口仍在增长是个事实。Its certain that they will come here to see us.他们要来看我们这是一定的。Its said that he is going abroad with his parents.据说他要随他的父母去国外。It seems that it is going to rain.天看起来好像要下雨了。常用it代替从句的句式有：Its adj/n that-clause.Its said/believed/known/reported/supposed/ordered that-clause.据说/认为/知/报道/ 认为/命令.It seems/appears that-clause.看起来好像.It turns out that-clause.结果是It happens that-clause.碰巧It occurs to sb that-clause.It flashes on/upon sb that-clause.某人想到It strikes sb that-clause.使某人觉得 it用作形式宾语A. find/make/feel/consider/think+ it +adj/n +to do/ving/that-clause.I find it difficult to learn English.我发现学英语很难。I think it no good doing too many things for children.我认为过多的包揽孩子的没有好处。We make it a rule that everyone shall come to school before 7:30.我们把每个人在7：30之前到校作为一项规章制度。B. like/dislike/prefer/hate/love/appreciate +it +when/if-clause.I dont like it when people speak with their mouths full.我不喜欢人们嘴里含得满满的说话。We would appreciate it if you can come here.如果你能来这我们讲非常感激。 it的其他句式A. Its + 时间段+ since-clause.时态 主句：一般现在时或现在完成时 从句：一般过去时Its ten years since I worked in No.2 Middle School.Its several years since Gao Xiumin died.B. Its+ 时间段+ before-clause.时态 主句：一般将来时 从句：一般现在时 主句：一般过去时 从句：一般过去时It will be several years before my son go to college.It wasnt long before he told me the news.C. Its +时间点+ when-clause.意义：当做的时候是几点钟。Its about noon when we arrived at the foot of the mountain.当我们到达山脚下的时候时间大约是正午。Its October 1st, 1949 when the Peoples Republic of China was founded.中华人民共和国是在1949年十月一日成立的。D. Its +时间点+ before-clause. 意义：做之前是几点钟。Its evening before we got to the village.我们还没到村子之前就已经是傍晚了。E. Its +被强调的部分+that/who-clause.被强调的部分：除谓语之外的其他部分对谓语动词的强调: do/did/does+动词原形意为“的确”。注意：被强调的部分为人时，that、who都可用，其他均要用that。Its I that/who saw him in the street yesterday.Its him that/who I saw in the street yesterday.Its in the street that I saw him yesterday.Its yesterday that I saw him in the street. Its not until all the fish died in the river that the villagers began to realize how serious the pollution.试比较一下句子：Its about noon when we arrived at the foot of the mountain.Its at about noon that we arrived at the foot of the mountain.Its October 1st, 1949 when the Peoples Republic of China was founded.Its on October 1st, 1949 that the Peoples Republic of China was founded.E. Its high/about time that-clause.该是做某事的时候了。注意：从句中常用动词的过去式来表虚拟语气。Its time that we had a rest now.该是我们休息的时候了。F. Its/This is the first time that-clause.这是某人首次做某事。从句中用现在完成时态。Its the first time that I have come here.这是我首次来这儿。G. Its beyond me why clause.为什么使某人无法理解H. Its convenient for/to sb (to do sth).对于某人来说方便做某事。I. Its no wonder that-clause.难怪实地演练1. _ felt funny watching myself on TV. (2007 全国卷II)A. It B. One C. This D. That2. - There is still a copy of the book in the library. Will you go and borrow _ ?- No, I would rather buy _ in the bookstore.A. it; one B. one; it C. one; one D. it; it (2007陕西)3. He got his first book published. It turned out to be a bestseller.- When was _ ?- _ was in 2000 when he was still in college. A. that; This B. this; It C. it; This D. that; It (07 浙江)4. Have you heard the latest news?- No, what _?A. is it B. is there C. are they D. are those (07全国卷I)5.It was after he got what he had desired _ he realized it was not so important.(06辽宁)A. that B. When C. sinceD. as6. _ is our belief that improvements in health care will lead to a stronger, more prosperous economy. (06浙江) A. As B. That C. This D. It7. Its burning hot today, isnt it?- Yes, _ yesterday.(06福建) A. So was it B. So it was C. So it is D. So is it8. As the busiest woman in Norton, she made _ her duty to look after all the other peoples affairs in that town. (06湖南) A. this B. that C. one D. it9. -You know who came yesterday? - Yao Ming? We had a basketball match. - _. He came and watched it. (06湖北) A. You guessed it! B. How did you know that? C. Well done! D. That was good news.10. Id appreciate _ if you would like to teach me how to use the computer. (06山东) A. that B. it C. this D. you11. I just wonder _ that makes him so excited. (06山东) A. why it does B. what he does C. how it is D. what it is12. Its quite _ me why such things have been allowed to happen. (06安徽)A. for B. behind C. against D. beyond13. It has been raining for a whole week. I think itll get fine soon. - _. We are getting into the rainy season now. (06 安徽)A. Yes, it will. B. Of course not. C. Its possible D. Its hard to say.14. _ is known to us all is that the 2008 Olympic Games will take place in Beijing. (08福建) A. It B. What C. As D. Which15. Gathering bought a postcard of the place she was visiting, addressing _ to _ and then posted it at the nearby post office. (06 安徽)A. it; her B. it; herself C. herself; her D. herself; herself16. The chairman thought _ necessary to invite Professor Smith to speak at the meeting. A. that B. it C. this D. him (05全国I、II)17. The doctor advised Vera strongly that she should take a holiday, but _ didnt help. A. it B. she C. which D. he (05全国卷III)18. in the regulations that you should not tell other people the password of your e-mail account. (05上海) A. What is required B. What requires C. Its required D. It requires19. If it is quite _ to you, I will visit you next Tuesday. (05天津) A. convenient B. fair C. easy D. comfortable20. I prefer a flat in Inverness to _ in Perth, because I want to live near my Moms. A. one B. that C. it D. this (05天津)21. Weve been looking at houses but havent found _ we like yet. A. one B. ones C. it D. them (05浙江)22. Cars do cause us some health problems, in fact far more serious _ than mobile phones do. (05江西) A. one B. ones C. it D. those23. - Do you like _ here?- Oh, yes. The air, the weather, the way of life. Everything is do nice. (04全国卷II)A. this B. these C. that D. it24. The foreign Minister said, “_ our hope that the two sides will work towards peace.”A. This is B. There is C. That is D. It is (04北京)25. It was with great joy _ he received the news that his lost daughter had been found. A. because B. which C. since D. that (04福建)25. I have always been honest and straightforward, and it doesnt matter _ Im talking to. A. who is it B. who it is C. it is who D. it is whom (04广东)26. Its