高考考点it的用法--Andy--

1、The designer: Andy Its lovely Its looking at you.Its a large sum of money.Its 10:00Talk about the functions of it in these sentences .1.-Whos knocking at the door? -Its me.2. Where is my book? Its on the table. 3. Look at the poor little baby. It is crying again.4. Its half past five now.5. Its gett

2、ing colder and colder.6. It is 5 kilometers from the office to my home. 7. It was very quiet at the moment.(person)(person)(object)(time)(weather)(distance)(environment)小结小结1 1： 小结小结2 2：it 作非人称代词，用来指作非人称代词，用来指天气、环境、时间、天气、环境、时间、距离、季节等。距离、季节等。小结小结1 1：it 作人称代词，作人称代词，代替上文中提到过的人或事物。代替上文中提到过的人或事物。指代人时，一般用

3、于婴儿或身份不十分明朗的人。指代人时，一般用于婴儿或身份不十分明朗的人。 1. S+ think + it + necessary +( for sb. ) to do sth. The chairman thought _ necessary to invite Professor Smith to speak at the meeting. (05全国全国)Sentence patterns:it believefind possiblefeelconsidermakeimportant ( adj )./clause形式宾语形式宾语 2. S+ V + it + ones duty +

4、( for sb. ) to do sth. /clause (n.)3. S + V + it + no good + doing sth. no use 形式宾语形式宾语I dont think _ his duty to clean the blackboard.Sentence patterns:itEg: They think it no use going there so early. believe find possible1. S+ think + it + necessary +( for sb. ) to do sth. /clause feel important c

5、onsider (adj)Sentence patterns:Sentence patterns:小结小结3:形形式宾语式宾语2. S+ V + it + ones duty + ( for sb. ) to do sth. /clause (n)3. S + V + it + no good + doing sth. no use make 该句型中的该句型中的it 作形式宾语。为了记忆方作形式宾语。为了记忆方便我们可称该句型为便我们可称该句型为“6123结构结构”。 6 指主句中常用的动词：指主句中常用的动词：think, believe, make, find, consider, fe

6、el； 1 指的是形式宾语指的是形式宾语 it； 2 指的是宾补的两种形式：指的是宾补的两种形式：形容词或名形容词或名 词；词； 3 指的是真正宾语的三种形式：指的是真正宾语的三种形式：不定式短不定式短 语语, , 动名词短语或动名词短语或 that 引导的宾语从句引导的宾语从句。 1._ is necessary for you to be prepared for a job interview. 2. _is no use crying over the spilt milk.3. _ is known to us that the moon travels round the eart

7、h once every month.形式主语形式主语高考真题高考真题ItItItIt 作形式主语代替由作形式主语代替由不定式不定式表示的表示的真正主语真正主语It 作形式主语代替由作形式主语代替由动名词动名词表示的表示的真正主语真正主语It 作形式主语代替由作形式主语代替由从句从句表示的真表示的真正主语正主语小结小结4:形形式主语式主语 . It is + adj.+ for/of sb.+ to do1). Its very important _ you to go to college.2). Its very kind _ you to help me.It 作形式主语代替由不定式表

8、示的真正主语作形式主语代替由不定式表示的真正主语Sentence patterns:forofeg: It is clever _ him to say that.a)用用forfor, ,形容词表示形容词表示事物的特征事物的特征。b)用用of,形容词形容词表示表示人的性格品质人的性格品质。of. It takes sb. . to do sth. “做做要花费某人要花费某人” It took thousands of people many years _ (build) the Great Wall. . It doesnt matter whether ( if ) . “不论不论( (

9、是否是否) )没关系没关系” ” It doesnt matter _ he will come or not.Sentence patterns:to buildwhether . It is no good /use doing sth. It is no use _ (learn) English without speaking English. learningSentence patterns: It is said / reported / believed / hoped / known (等过去分词等过去分词) that. 据说他去北京了。据说他去北京了。It is said

10、 that he has gone to Beijing.He is said to _ (go) to Beijing.have goneIt is / was + 被强调的部分被强调的部分 + that (强调人强调人时可用时可用who / whom) +句子其他成分句子其他成分强调句型强调句型高考真题高考真题that_was in 1979 that I graduated from university. It was what he said _ disappointed me. It It is / was + 被强调的部分被强调的部分 + that (强调人强调人时可用时可用wh

11、o / whom) +句子其他成分句子其他成分强调句型强调句型Eg: I saw John in the street this morning It was I who / that saw John in the street this morning.（强调主语）强调主语） It was John that / whom I saw in the street this morning.（强调宾语）强调宾语） It was in the street that I saw John this morning. （强调地点状语）强调地点状语） It was this morning tha

12、t I saw John in the street. （强调时间状语）强调时间状语）易误辨易误辨析析1 1: :强调句强调句/ /定语从句定语从句/ /主语从句主语从句1) It is the street where I met her. In the street I met her. 3)It is a fact that English is being accepted as an international language. 定语从句定语从句 ( (where充当定语从句中的地点状语）充当定语从句中的地点状语）2) It is in the street that I met

13、her. 强调句强调句 (把把it is that 去掉，原句仍然成立去掉，原句仍然成立) ) 主语从句主语从句 (it作形式主语作形式主语)A fact English is being accepted as an international language. (句子不能成立句子不能成立)易误辨易误辨析析2 2: :it / one / that1) I cant find my hat. I think I must buy _.2) The hat you bought is bigger than _ I bought.3) I cant find my hat. I don t

14、know where I put _.onethat ( (同类但不同个同类但不同个) )it( (同一物同一物) )( (泛指泛指hat)hat)小结小结：one 表示泛指，表示泛指，that 和和 it 表示特指。表示特指。that与所指名词为同类，但不是同一个，与所指名词为同类，但不是同一个，而而 it 与所指名词为同一个。与所指名词为同一个。练习总结易误辨易误辨析析3:3: It is time for us _ (go) to bed. It is time that we _ (go) to bed. 2).It is time (about/high time) that +一般

15、过去时一般过去时 It is the first time that I_ (praise) by my teacher.3).It is the first (second.)time that +现在完成时现在完成时1).It is time for sb. to do sth.4).It was the first (second.) time that+过去完成时过去完成时 It was the second time that I _ (apologize) to you.to gowenthave been praisedhad apologized练习总结与与time有关的句型有

16、关的句型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.3.It was years _(since, before, after,that) I painted this beautiful picture.易误辨易误辨析析4:4: 表示从表示从since since 从句谓语动作发生以后到现在所经过的一从句谓语动作发生以后到现在所经

17、过的一段时间，译为段时间，译为“自从自从.以来已多久了以来已多久了” ” It is/has been +时间段时间段+since(过去时过去时).表示从过去某一时间到表示从过去某一时间到beforebefore从句谓语动作发生所经过从句谓语动作发生所经过的一段时间的一段时间, ,译为译为“多长时间后才多长时间后才/ /就做了就做了”It + was + 时间段时间段 + before(过去时过去时)表示从现在起到表示从现在起到beforebefore从句谓语动作发生所经过的一段从句谓语动作发生所经过的一段时间时间, ,译为译为“多长时间后才会多长时间后才会/ /就会做就会做”It + wil

18、l be +时间段时间段 +before(一般现在时一般现在时)_练习总结Translate the following:1.1.过了很久他才回来过了很久他才回来. . 2.2.我我们很久后才会见面的们很久后才会见面的. .3.3.我我离开这所学校已经很久了离开这所学校已经很久了. .It was long before he came back.It will be long before we meet again.It is long since I left this school.It is +时间段时间段+since(过去过去时时)It +will be+时时间段间段+before

19、(一般现一般现在时在时)It + was + 时间段时间段 + before(过去过去时时)易误辨易误辨析析4:4:自从自从以来已多久了以来已多久了多长时间后才会多长时间后才会多长时间后才多长时间后才/ /就做了就做了练习总结1. (2005, 全国全国) The doctor advised Lisa strongly that she should take a holiday, but _ didnt help.2. It took us over an hour _ (walk) along the street. itto walk3. _ is very clear to ever

20、yone that hes round and tall like a tree. It4. Someone is knocking at the door, who is_? it总结5. (2005浙浙江江) Weve been looking at the houses but havent found _ we like yet.one6. I think it a great honour _ (invite) to visit your country.to be invited7. Many people now make_ a rule to buy cards for the

21、ir friends before Christmas. it8.（2005江苏）江苏）Im moving to the countryside because the air there is much fresher than _ in the city.that总结10. He didnt make _ clear when and where the meeting would be held. it9. Its the second time you _ (arrive) late this week. have arrived总结12. It was not until she t

22、ook off her dark glasses _ I realized she was a famous film star.11. It was at the gate _ he told me the news. thatthat总结13. (2008, 北京北京) Im sorry youve been waiting so long, but itll still be some time _ Brian gets back.before14. That was really a splendid evening. Its years _ I enjoyed myself so much.sinceRewrite the following sentences using it.1.To run business successfully in this area is very diffic