高考考點(diǎn)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)小結(jié)小結(jié)1 1： 小結(jié)小結(jié)2 2：it 作非人稱代詞，用來指作非人稱代詞，用來指天氣、環(huán)境、時(shí)間、天氣、環(huán)境、時(shí)間、距離、季節(jié)等。距離、季節(jié)等。小結(jié)小結(jié)1 1：it 作人稱代詞，作人稱代詞，代替上文中提到過的人或事物。代替上文中提到過的人或事物。指代人時(shí)，一般用

3、于嬰兒或身份不十分明朗的人。指代人時(shí)，一般用于嬰兒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全國(guó)全國(guó))Sentence patterns:it believefind possiblefeelconsidermakeimportant ( adj )./clause形式賓語形式賓語 2. S+ V + it + ones duty +

4、( for sb. ) to do sth. /clause (n.)3. S + V + it + no good + doing sth. no use 形式賓語形式賓語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:小結(jié)小結(jié)3:形形式賓語式賓語2. S+ V + it + ones duty + ( for sb. ) to do sth. /clause (n)3. S + V + it + no good + doing sth. no use make 該句型中的該句型中的it 作形式賓語。為了記憶方作形式賓語。為了記憶方便我們可稱該句型為便我們可稱該句型為“6123結(jié)構(gòu)結(jié)構(gòu)”。 6 指主句中常用的動(dòng)詞：指主句中常用的動(dòng)詞：think, believe, make, find, consider, fe

6、el； 1 指的是形式賓語指的是形式賓語 it； 2 指的是賓補(bǔ)的兩種形式：指的是賓補(bǔ)的兩種形式：形容詞或名形容詞或名 詞；詞； 3 指的是真正賓語的三種形式：指的是真正賓語的三種形式：不定式短不定式短 語語, , 動(dòng)名詞短語或動(dòng)名詞短語或 that 引導(dǎo)的賓語從句引導(dǎo)的賓語從句。 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.形式主語形式主語高考真題高考真題ItItItIt 作形式主語代替由作形式主語代替由不定式不定式表示的表示的真正主語真正主語It 作形式主語代替由作形式主語代替由動(dòng)名詞動(dòng)名詞表示的表示的真正主語真正主語It 作形式主語代替由作形式主語代替由從句從句表示的真表示的真正主語正主語小結(jié)小結(jié)4:形形式主語式主語 . 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 作形式主語代替由不定式表

8、示的真正主語作形式主語代替由不定式表示的真正主語Sentence patterns:forofeg: It is clever _ him to say that.a)用用forfor, ,形容詞表示形容詞表示事物的特征事物的特征。b)用用of,形容詞形容詞表示表示人的性格品質(zhì)人的性格品質(zhì)。of. It takes sb. . to do sth. “做做要花費(fèi)某人要花費(fèi)某人” It took thousands of people many years _ (build) the Great Wall. . It doesnt matter whether ( if ) . “不論不論( (

9、是否是否) )沒關(guān)系沒關(guān)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 (等過去分詞等過去分詞) that. 據(jù)說他去北京了。據(jù)說他去北京了。It is said

10、 that he has gone to Beijing.He is said to _ (go) to Beijing.have goneIt is / was + 被強(qiáng)調(diào)的部分被強(qiáng)調(diào)的部分 + that (強(qiáng)調(diào)人強(qiáng)調(diào)人時(shí)可用時(shí)可用who / whom) +句子其他成分句子其他成分強(qiáng)調(diào)句型強(qiáng)調(diào)句型高考真題高考真題that_was in 1979 that I graduated from university. It was what he said _ disappointed me. It It is / was + 被強(qiáng)調(diào)的部分被強(qiáng)調(diào)的部分 + that (強(qiáng)調(diào)人強(qiáng)調(diào)人時(shí)可用時(shí)可用wh

11、o / whom) +句子其他成分句子其他成分強(qiáng)調(diào)句型強(qiáng)調(diào)句型Eg: I saw John in the street this morning It was I who / that saw John in the street this morning.（強(qiáng)調(diào)主語）強(qiáng)調(diào)主語） It was John that / whom I saw in the street this morning.（強(qiáng)調(diào)賓語）強(qiáng)調(diào)賓語） It was in the street that I saw John this morning. （強(qiáng)調(diào)地點(diǎn)狀語）強(qiáng)調(diào)地點(diǎn)狀語） It was this morning tha

12、t I saw John in the street. （強(qiáng)調(diào)時(shí)間狀語）強(qiáng)調(diào)時(shí)間狀語）易誤辨易誤辨析析1 1: :強(qiáng)調(diào)句強(qiáng)調(diào)句/ /定語從句定語從句/ /主語從句主語從句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. 定語從句定語從句 ( (where充當(dāng)定語從句中的地點(diǎn)狀語）充當(dāng)定語從句中的地點(diǎn)狀語）2) It is in the street that I met

13、her. 強(qiáng)調(diào)句強(qiáng)調(diào)句 (把把it is that 去掉，原句仍然成立去掉，原句仍然成立) ) 主語從句主語從句 (it作形式主語作形式主語)A fact English is being accepted as an international language. (句子不能成立句子不能成立)易誤辨易誤辨析析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 ( (同類但不同個(gè)同類但不同個(gè)) )it( (同一物同一物) )( (泛指泛指hat)hat)小結(jié)小結(jié)：one 表示泛指，表示泛指，that 和和 it 表示特指。表示特指。that與所指名詞為同類，但不是同一個(gè)，與所指名詞為同類，但不是同一個(gè)，而而 it 與所指名詞為同一個(gè)。與所指名詞為同一個(gè)。練習(xí)總結(jié)易誤辨易誤辨析析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、過去時(shí)一般過去時(shí) It is the first time that I_ (praise) by my teacher.3).It is the first (second.)time that +現(xiàn)在完成時(shí)現(xiàn)在完成時(shí)1).It is time for sb. to do sth.4).It was the first (second.) time that+過去完成時(shí)過去完成時(shí) It was the second time that I _ (apologize) to you.to gowenthave been praisedhad apologized練習(xí)總結(jié)與與time有關(guān)的句型有

16、關(guān)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.易誤辨易誤辨析析4:4: 表示從表示從since since 從句謂語動(dòng)作發(fā)生以后到現(xiàn)在所經(jīng)過的一從句謂語動(dòng)作發(fā)生以后到現(xiàn)在所經(jīng)

17、過的一段時(shí)間，譯為段時(shí)間，譯為“自從自從.以來已多久了以來已多久了” ” It is/has been +時(shí)間段時(shí)間段+since(過去時(shí)過去時(shí)).表示從過去某一時(shí)間到表示從過去某一時(shí)間到beforebefore從句謂語動(dòng)作發(fā)生所經(jīng)過從句謂語動(dòng)作發(fā)生所經(jīng)過的一段時(shí)間的一段時(shí)間, ,譯為譯為“多長(zhǎng)時(shí)間后才多長(zhǎng)時(shí)間后才/ /就做了就做了”It + was + 時(shí)間段時(shí)間段 + before(過去時(shí)過去時(shí))表示從現(xiàn)在起到表示從現(xiàn)在起到beforebefore從句謂語動(dòng)作發(fā)生所經(jīng)過的一段從句謂語動(dòng)作發(fā)生所經(jīng)過的一段時(shí)間時(shí)間, ,譯為譯為“多長(zhǎng)時(shí)間后才會(huì)多長(zhǎng)時(shí)間后才會(huì)/ /就會(huì)做就會(huì)做”It + wil

18、l be +時(shí)間段時(shí)間段 +before(一般現(xiàn)在時(shí)一般現(xiàn)在時(shí))_練習(xí)總結(jié)Translate the following:1.1.過了很久他才回來過了很久他才回來. . 2.2.我我們很久后才會(huì)見面的們很久后才會(huì)見面的. .3.3.我我離開這所學(xué)校已經(jīng)很久了離開這所學(xué)校已經(jīng)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 +時(shí)間段時(shí)間段+since(過去過去時(shí)時(shí))It +will be+時(shí)時(shí)間段間段+before

19、(一般現(xiàn)一般現(xiàn)在時(shí)在時(shí))It + was + 時(shí)間段時(shí)間段 + before(過去過去時(shí)時(shí))易誤辨易誤辨析析4:4:自從自從以來已多久了以來已多久了多長(zhǎng)時(shí)間后才會(huì)多長(zhǎng)時(shí)間后才會(huì)多長(zhǎng)時(shí)間后才多長(zhǎng)時(shí)間后才/ /就做了就做了練習(xí)總結(jié)1. (2005, 全國(guó)全國(guó)) 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總結(jié)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江蘇）江蘇）Im moving to the countryside because the air there is much fresher than _ in the city.that總結(jié)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總結(jié)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總結(jié)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