新概念英語(yǔ)第二冊(cè)語(yǔ)法精粹：It的用法

一、代詞it用法例句

代替前文提到過(guò)的東西或事情，用作人稱代詞This is a new dictionary. I bought it yesterday.

這是一本新詞典，我昨天買的。

Tom joined the army last month. Do you know about it?

湯姆上月入伍了，你知道這事嗎?

代替指示代詞，起著this或that的作用Is this your car? No, it isn’t.

這是你的汽車嗎?不是。

What’s that? —It’s a video.

那是什么?它是一臺(tái)錄像機(jī)。

Whose room is this? —It is theirs.

這是誰(shuí)的房間?是他們的。

指明某人或某物的身分，還可指不明性別的嬰兒Who’s there? It’s me. (It’s John)

誰(shuí)在那兒?是我。(是約翰)

Go and see who it is that rings. It’s Bill.

去看看是誰(shuí)來(lái)的電話，是比爾。

The Greens have a new baby. It’s lovely.

格林家有一個(gè)新生嬰兒。它很可愛。

指時(shí)間，距離，自然現(xiàn)象(天氣，氣候，明暗)量度，價(jià)值等It’s Sunday today. 今天是星期天。

It’s three months since he came here.

自從他來(lái)到這里，已經(jīng)三個(gè)月了。

How far is it to the Great Wall.

到長(zhǎng)城有多遠(yuǎn)?

It’s getting dark. 天快黑了。

—How much is the coat? —It’s ninety dollars.

這件衣服多少錢?九十美元。

二、引導(dǎo)詞it 用法例句

形式主語(yǔ)代替不定式短語(yǔ)It is up to you to decide. 這事要由你決定。

It makes me happy to hear you have recovered.

聽說(shuō)你恢復(fù)了健康，這使我很高興。

代替動(dòng)名詞短語(yǔ)It’s no good smoking. 吸煙沒(méi)有好處。

It’s worthwhile working the whole night on the problem.

用整夜的時(shí)間來(lái)研究那個(gè)問(wèn)題是值得的。

代替主語(yǔ)從句It doesn’t matter what you do. 你干什么都沒(méi)有關(guān)系。

It seems that everyone has known the news.

好象大家都知道這個(gè)消息。

形式賓語(yǔ)代替不定式短語(yǔ)I consider it better to be early.

我認(rèn)為能夠早一些更好。

We found it impossible to get there before July .

我們覺得，要在七月以前到達(dá)那里是不可能的。

代替動(dòng)名詞短語(yǔ)We thought it no use doing that.

我們認(rèn)為做那事沒(méi)有用。

代替賓語(yǔ)從句The teacher makes it clear that everyone should hand in his homework on time.

老師清楚地指出，每個(gè)人都應(yīng)該按時(shí)交作業(yè)。

三、it在強(qiáng)調(diào)結(jié)構(gòu)中強(qiáng)調(diào)句型：It is (was) +被強(qiáng)調(diào)部分+ that (who) + 其它強(qiáng)調(diào)部分例句

主語(yǔ)It is I who am to blame. 是我該受責(zé)怪。

It was your uncle that (who) came yesterday.

昨天來(lái)的是你叔叔。

賓語(yǔ)It was a new pen that Mother gave me .

母親給我的是一支新鋼筆。

狀語(yǔ)地點(diǎn)It was in the classroom that I left my umbrella.

我把雨傘就落在了教室里。

時(shí)間It is at eleven that the train leaves.

火車是在十一點(diǎn)鐘離開。

方式It was just as he ordered that I acted.

我正是照他吩咐的那樣做的。

原因It was because he was in trouble that I tried my best to help him.

正是因?yàn)樗幘忱щy我才盡力幫助他。

賓補(bǔ)It was red that we painted the gate.

我們把門油漆成紅的顏色。

It was chairman that they elected him .

他們選他擔(dān)任的是主席的職務(wù)。

說(shuō)明：原句的謂語(yǔ)動(dòng)詞如果是現(xiàn)在或?qū)?lái)時(shí)態(tài)用It is … that (who)如果原句謂語(yǔ)動(dòng)詞是過(guò)去時(shí)態(tài)，則用It was … that (who)。在強(qiáng)調(diào)時(shí)間，地點(diǎn)，原因或方式時(shí)不要用when, where, how, 必須用that。

【專項(xiàng)訓(xùn)練】1、"Do you like fish?""Yes, I like ______."

A.× B.it C.that D.them2、______ today?

A.How is it B.What is it C.What is it like D.How is the weather.3、"Do you want a watch?""______."

A.Yes, I want it . B.Yes, I want one. C.No, I've got it. D.No, I've got the watch.4、"Whose exercise-book is that?" "______ hers"

A.That is B.This is C.It's D.Its5、______ won't take long to get to Shanghai by air.

A.That B.He C.It D.This6、What he has done helps us a lot, ______?

A.isn't he B.doesn't he C.isn't it D.doesn't it7、We all thought ______ no use doing that.

A.it B.that C.this D.there8、I took it for granted ______ you would come to our party.

A.when B.why C.for what D.that9、How happy ______ to be able to study and live together with you!

A.that will be B.is it C.will it be D.it will be10、I thought it to be ______.

A.him B.he C.its D.she11、______ very foolish of you to say so.

A.It's B.Its C.That's D.This12、It's not his habit ______ for things.

A.asks B.ask C.to ask D.asked13、It has been a great honour ______ coming to visit me.

A.they B.you C.she D.he14、I found ______ to hear what he said.

A.that difficulty B.it difficulty C.that difficult D.it difficult15、He is fifty , but doesn't ______.

A.look at it B.look for it C.look it D.look him16、It was ______ who telephoned me yesterday.

A.him B.his C.himself D.he17、The sentence ______ is wrong.

A.its B.it C.itself D.it's18、______ is no doubt that he will succeed in his experiment.

A.It B.This C.That D.There19、It seems ______ John's not coming after all.

A.this B.that C.if D.to20、______ was a handbag that John gave Mary at Christmas.

A.It B.This C.That D.Such21、Was ______ the room ______ the famous writer had ever lived in?

A.that, it B.it , that C.it , where D.that, which22、______ is said that he has been to many places in the United States.

A.This B.He C.It D.That23、What ______ you want me to do?

A.it is B.that C.is this D.is it that24、Is ______ not important who will go?

A.it B.that C.this D.×25、Why is it ______ everyone thinks he's a thief?

A.because B.as C.when D.that26、______ being Sunday, the library was closed.

A.What B.It C.That D.This27、Is ______ believed ______ he is ill?

A.it, that B.he, that C.it, if D.he, for28、______ is known to us ______ Mary dances best.

A.She, × B.It, that C.It, she D.She, who29、"What's this?""______ a flag."

A.This is B.That's C.It's D.Its30、Jack is ill. Have you heard about ______?

A.him B.it C.this D.that改錯(cuò)：下列每句所給的選項(xiàng)中，各有一項(xiàng)是錯(cuò)的，請(qǐng)指出并改正。

1、He is certain that the secretary will be there.

A B C D

2、I think that a good idea to get up early.

A B C D

3、It makes me feel sad that see you.

A B C D

4、Do you find it very dull live here?

A B C D

5、It is no use to cry over spilt milk.

A B C D (后設(shè)答案，大家不要偷看哦，(*^__^*) 嘻嘻……)KEYS1. B 2. D 3. B 4. C 5. C 6. D

7. A 8. D 9. D 10. A 11. A 12. C

13. B 14. D 15. C 16. D 17. C 18. A

19. B 20. A 21. B 22. C 23. D 24. A

25. D 26. B 27. A 28. B 29. C 30. B改錯(cuò)：

1. A He-it

2. B that-it

3. C that-to

4. D live前加to

5. C to cry-crying上一