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1、the usage of it,高考考查动向：1.It 作指示代词的替代作用It构成的习语，固定搭配，作形式主语或形式宾语的特殊用法3.强调句型,Whos it? _me.Look at the picture. _is a picture of our school.,Its,It,2._,-Is this jacket yours?-Yes, _ is.,it,it做代词,一.基本用法:,用于代替指示代词this 和that.,1._,用作人称代词，代表前面提到的人或事物,也可以指动物或婴儿(未知性别的婴儿或孩子):,(自主探究):,3._,It is half past eight no
2、w. Its only half an hours walk from here to our school. I hope that it will be fine tomorrow. It has rained much this year. Its spring now. Its quiet here.,Time,Distance,Weather,Weather,Season,Circumstance,用以表示时间、距离、天气、气候、季节、环境等,It is important to know your limitations.It is a good idea to have a li
3、ttle notebook at hand. It is not worthwhile quarrelling with him.It is strange that it hasnt been noticed before.It happened that the harvest was had that year.It is still a question how many people will believe you.It is no business of yours where I spend my winter.It was clear enough what he meant
4、.,你知道下列句中 “it”分别指什么吗?,It is important to know your limitations.It is a good idea to have a little notebook at hand. It is not worthwhile quarrelling with him.It is strange that it hasnt been noticed before.It happened that the harvest was had that year.It is still a question how many people will bel
5、ieve you.It is no business of yours where I spend my winter.It was clear enough what he meant.,替代作主语的_而把真正作主语的_置于句尾。,Summary : it用作形式主语,从句,动词不定式、动词-ing，,从句、动词不定式、动词-ing,二.it做形式主语,（1）It + be + 名词 + that从句e.g. It is _that （2）It + be + 形容词 + that从句e.g. It is _that （3）It + 不及物动词 + that 从句e.g. It _that（4
6、） It + be + 动词的过去分词 + that从句e.g. It is _that,a pity/a shame/ an honor / a surprise / a wonder/no wonder,important / likely / possible / strange,seems / happens / appears,said / believed / known / reported,常见形式：,（,it做形式主语,（5）It + be + 形容词/名词+ (for sb./of sb.) + to doe.g. Its careless of her to make a
7、 spelling mistake. Its hard for me to finish it in two days. Its my duty to take care of all the students.（6）It + be + 名词 + doinge.g. Its _doing sth.,no use / no good / a waste of time,(1). It is a pity (a shame /an honor /a good thing/a fact /a surprise/. ) that .,注意1:,(2). It is important ( necess
8、ary， strange， natural.) that .,(3). It is suggested ( ordered /demanded/insisted/commanded. ) that . (建议，命令,请求，),that后的从句要用虚拟语气（should + 动词原形），should 可以省,It is v-ed that=sb./sth. _,is/are v-ed to do,It is said that Tom is a faithful worker. It is reported that he is writing an interesting novel. It
9、is believed that all the students have done their best.,= Tom _ _ _ _ a faithful worker.,is said to be,= He _ an interesting novel.,is reported to be writing,= All the students _ their best.,are believed to have done,注意2:,三.it做形式宾语,It is wrong to cheat in an examination. (1.) I consider it wrong to
10、cheat in an examination. (2.) Dont you find it a waste of time watching television too much? (3.) I thought it strange that Jack should have had so much money to spend these days. “主语+动词+_+_,it+形容词/名词,I like (enjoy, hate) it when.I would appreciate it ifsee to (depend on) it that,特别提醒:,不定式/动词-ing /t
11、hat从句”,I think it _with him.我认为和他争吵没有用。 I found it _to study English.我发现学英语非常有趣。He made it _that he was not interested in this subject.他非常清楚地表示他对那门学科不感兴趣。,no use arguing,very interesting,clear,常跟形宾it的动词有think, believe, make, find, consider, feel等。,四.it的模糊指代,1. I cant help _ if she is always late. 2.
12、 I hate _ when people talk with their mouth full.3. I dont like _ when a Chinese host keeps serving me the food I dont like.4. Id appreciate _ if you can give me some useful information.,it,it,it,it,it用来指代后面从句的情况,(1). It was about 600 years ago that the first clock with a face and an hour hand was m
13、ade. (2). It was they that (who ) cleaned the classroom yesterday. (3). It was in the street that I met her father. 1. It is + 被强调部分 + that /who(人) . 强调句的一般疑问句句型：,五.it的重要句型,Is / Was +it +所强调的部分+that / who (人) ?强调句的特殊疑问句句型：,特殊疑问词+is / was +it +所强调的部分+that / who ?,注意:,1).被强调部分是:_,主语，宾语，表语或状语,2). not .
14、 until . 的强调形式:,It is/was not until + that . “直到才”,I didnt realize she was a famous film star until she took off her dark glasses. It was _she took off her dark glasses _I realized she was a famous film star. _she took off her dark glasses _ I realize she was a famous film star.,Not until,did,not un
15、til,that,3). 语序: 我问他究竟为什么不能回答这个问题.,I asked him _he couldnt answer the question.,why it was that,(强调句),when,In 1945,that,定语从句,强调句,定语从句,2. It is time (about time /high time ) that sb. _,did /should do,3. It is the first ( second . ) time that sb. _,have /has done,was,_,had done,4. It _+时间段.since did,i
16、s/has been,5.It _+时间段. before .,was /will be,6. It takes sb. . to do sth.,7. It doesnt matter whether ( if ) .,= This is the first time,五.it的重要句型,1.Its years _(since, before, after, that) I painted this beautiful picture.2.It will be years _(since, before, after, that) I paint this beautiful picture
17、.3.It was years _(since, before, after, that) I painted this beautiful picture.4.Its for years _(since, before, after, that) I have painted this beautiful picture.,易误辨析:,表示从since 从句谓语动作发生以后到现在所经过的一段时间，译为“自从.以来已多久了”,It is +时间段+since(过去时).,表示从过去某一时间到before从句谓语动作发生所经过的一段时间,译为“多长时间后才/就做了”,It + was + 时间段
18、 + before(过去时),表示从现在起到before从句谓语动作发生所经过的一段时间,译为“多长时间后才会/就会做”,It + will be +时间段 +before(一般现在时),_,_,_,_,六.在一些固定用法中考查,常见的固定用法有: make it _forget it _ Dont mention it _It doesnt matter _It (That) depends _You guessed it_Its hard to say _Its up to you to do sth. _I cant help it _Get it _,成功，安排在或定在某时间,别提了，
19、忘了它吧,别提了，表示不用谢,没关系,视情况而定,你猜着了,很难说,由你来决定做某事,我实在没办法,明白了,懂了,The Parkers bought a new house but _ will need a lot of work before they can move in. A. they B. it C. one D. which2. Weve been looking at houses but havent found _ we like yet. A. one B. ones C. it D. them3. Im moving to the countryside becau
20、se the air there is much fresher than _ in the city. A. ones B. one C. that D. those,易误辨析:,it / one / that,B,A,C,the house that the Parkers bought,a house,the air,走进高考,拓展运用:,（11北京卷）34. The employment rate has continued to rise in big cities thanks to the efforts of the local governments toincrease _
21、. A. them B. those C. it D. that（11山东卷） 24. The two girls are so alike that strangers find _ difficult to tell one from the other. A. it B. them C. her D. that（ (11福建卷）21. We have various summer camps for your holidays, you can choose _ based on your own interests. either B. each C. one D. it （11天津卷
22、）1. We feel _ our duty to make our country a better place.A. it B. this C. that D. that,C,A,C,A,1. (2005, 全国) The doctor advised Vesa strongly that she should take a holiday, but _ didnt help. A. it B. she C. which D. he 正确答案：A。根据句意：医生的建议未起作用。it代替整个句子。 2. (2004,全国) -Do you like_here? -Oh, yes. The a
23、ir, the weather, the way of life. Everything is nice. A. this B. these C. that D. It 正确答案：D。根据下文，提问者不能确定被问者喜欢什么，it用于不确定指代或模糊指代。 3. (2000,上海) Someone is ringing the doorbell. Go and see_. A. who is he B. who he is C. who is it D. who it is 正确答案：D。说话时，不知道对方的性别。注意在宾语从句中需用陈述语序。,4. (2007, 全国)Have you hea
24、rd the latest news? No, what _? A. is it B. is there C. are they D. are those 正确答案：A。it指代上文提及的latest news。5. (2006,全国) If I can help _, I dont like working late into the night. A. so B. that C. it D. them 正确答案：C。help是“阻止、避免”的意思，it指代下文的事情。6. (2002,北京) -He was nearly drowned once.-When was _? -_ was i
25、n 1998 when he was in Middle School. A. that, It B. this, This C. this, It D. that, This 正确答案：A。it指时间。 7. (2005，浙江) Weve been looking at the houses but havent found _ we like yet. A. one B. ones C. it D.them 正确答案：A。表示任意一幢房子。,8.（2005，江苏）Im moving to the countryside because the air there is much fresh
26、er than _ in the city. A. ones B. one C. that D. those 正确答案：C。分析语境和逻辑关系可以知道：该空指代the air，且有in the city后置定语修饰。9. (2004,北京) 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 正确答案：D 由句意易知：that从句是真正的主语;it为形式主语。10. (2005,上海)_in the re
27、gulations that you should not tell other people the password of your e-mail account. A. What is required B. What requires C. It is required D. It requires 正确答案：C 。it为形式主语，在此结构中done为required/suggested/demanded/recommended等时，从句必须用should + 动词原形，且should可以省略。,11. (2004,上海春) It was foolish of him to _ his
28、 notes during that important test, and as a result, he got punished. A. stick to B. refer to C. keep to D. point to 正确答案：B。短语辨析题，refer to有“参考”的意思，符合句意。12. (2006,全国) It is no _ arguing with Bill because he will never change his mind. A. use B. help C. time D. way 分析：正确答案：A。为固定结构。13. (2007,天津)He didnt
29、 make _ clear when and where the meeting would be held. A. this B. that C. it D. these 正确答案：C。it为形式宾语，clear后的从句为真正的宾语。14. (2006,湖南)As the busiest woman in Norton, she made _ her duty to look after all the other peoples affairs in that town. A. this B. that C. one D. it 正确答案：D。真正宾语为不定式。,15、(2004,全国)
30、I like _ in the autumn when the weather is clear and bright.A、this B、that C、it D、one 正确答案：C。love/enjoy/hate和like的用法相同，后接宾语从句时需用it作形式宾语，宾语从句后置。,17. (2005,山东)-_ that he managed to get the information? -Oh, a friend of his helped him. A. Where was it B. What was it C. How was it D. Why was it,18. (2007
31、,浙江) It _ we had stayed together for a couple of weeks _ I found we had a lot in common. A. was; when B. was that; that C. wasnt until; when D. wasnt until; that 正确答案：D。考查not until的强调形式。 19. (2008，重庆) It was not until midnight _ they reached the camp site. A. that B. when C. while D. as 20. (2007,山东
32、)Where did you get to know her?It was on the farm _we worked. A. that B. there C. which D. where正确答案：D。答句完整形式应为：It was on the farm where we worked that I got to know her.,21. -Who made such a stupid mistake?-_Tom. A. It was B. He was C. That was D. There was 正确答案：A。答句完整形式应为：It was Tom who made such
33、a stupid mistake.22. It was the university _ he was teaching _ sent him to America. A. which; that B. where; that C. that; which D. that; had 正确答案：B。本题是考查：it was +university + 引导的定语从句+ that。23. (2007,陕西) It is not who is right but what is right _ is of importance. A. which B. it C. that D. this正确答案：
34、C。本题是考查强调句型和名词性从句连用。,24. (2006,辽宁) It was after he got what he had desired _ he realized it was not so important. A. that B. when C. since D. as 正确答案：A。本题是考查强调句型和状语从句连用。25、(2008, 北京) Im sorry youve been waiting so long, but itll still be some time _ Brian gets back. A. before B. since C. till D. aft
35、er正确答案：A。It be + 时间 + before 表示过了一段时间才26. (2006,福建) How long do you think it will be _ China sends a manned spaceship to the moon?-Perhaps two or three years. A. when B. until C. that D. before,27、(2005,安徽) That was really a splendid evening. Its years _ I enjoyed myself so much. A. when B. that C.
36、before D. since,28、(2006,湖北) You know who came yesterday?-Yao Ming? We had a basketball match.-_ He came and watched the game. A. You guessed it! B. How did you know that? C. Well done! D. That was good news! 正确答案：A。由具体语境易做出正确选择。 29. (2008,天津) How much do I owe you for lunch?-_. Its nothing. A. Your
37、e welcome B. Forget it C. With pleasure D. Thats all right,The Usage of “it”,基本用法,常见用法特殊用法,三个考点,三个句型,三个句型,三个替代词三个it 后接时间段的句型,易误辨析,强调句型,形式主语,形式宾语,Summary,口诀： 代词 it 本意它, 既可指这又指那; 时间天气均可指, 谈到距离也用它; 假主假宾均可做, 强调句型跟that,Homework,1.Collect as many phrases and the sentence patterns including “it” as you can .2.Finish the exercises on your piece of paper.,Thank you,
