中考英語復(fù)習(xí)專題-it句型總結(jié)

1、IT句型總結(jié)一、        It作形式主語的句型為使句子平衡，往往把it置于句首作形式主語，而把真正的主語（通常是不定式短語、動(dòng)名詞短語或主語從句）移至句末。It 作形式主語的句型有： it 代指不定式短語的句型1. It takes + (sb.) + sometime / some money + to do sth.做某事花去某人多長(zhǎng)時(shí)間        It took me three days to prepare

2、 for the examination. 我花了三天準(zhǔn)備那次考試。        It takes a lot of money to buy a house like that.        買那樣一幢房子需要很多錢。2.     It takes + 名詞 + (for sb.) to do sth. 某人做某事需要 It took great imagination as well as pati

3、ence for Annie to teach me to speak.對(duì)安妮來說，教我說話需要極大的信心和想象力。3.     It is + 形容詞 + (for / of sb.) to do sth.  某人做某事是 的常用于該句型的形容詞比較多。for sb. 的句型 常用于表示事物的特征特點(diǎn)，表示客觀形式的形容詞，如easy, difficult, hard, important, possible, impossible, comfortable, necessary, better等。of sb的句型一般用表示人物的性格，品德，

4、表示主觀感情或態(tài)度的形容詞，如kind, nice, stupid, rude, clever, foolish, thoughtful, thoughtless, brave, considerate(考慮周到的), silly, selfish(自私的) 等。It was kind of you to help us.謝謝你對(duì)我們的幫助。It is getting harder every day for a lazy man to get a living.懶漢謀生是越來越困難了。4.     It is + 名詞 + to do sth.

5、60;做某事是 的常用于該句型的名詞有：manners, duty, fun, good, a great honour等。It is our duty to pay taxes to our government. 向政府交稅是我們的義務(wù)。5.     It is + ones turn + to do sth.  輪到某人做某事It is his turn to take the children to school.今天該輪到他送孩子們上學(xué)了。6.     It is + up to sb. + t

6、o do sth.  做某事是某人的責(zé)任或義務(wù)Its up to us to give them all the help we can.我們理應(yīng)竭盡所能地給予他們幫助。 it 代指動(dòng)名詞短語的句型7.     It is + 名詞 + doing sth.  做某事是 用于該句型的名詞有：no good, no use, hard work, a nuisance, a waste of time, a great honour等。Its no use/good (in) crying over spilt/spilled milk

7、.事已至此，后悔也無用。（牛奶已潑，哭也沒用。）It was a nuisance having to wait for such a long time.要等這樣久真煩人。8.     It is + 形容詞 + doing sth.  做某事真 用于該句型的形容詞有：pleasant, useless, senseless, worthwhile, dangerous等。It was pleasant meeting you in London that day.那天在倫敦見到你真高興。 it 代指名詞性從句的句型9.  

8、;   It + be + 名詞 + that從句用于該句型中的名詞有：a pity, a shame, a fact, an honour, a wonder, a good thing, good news, no wonder等。慣用句型有：It is common knowledge that 是常識(shí)It is a surprise that       令人驚奇的是It is a fact that       事實(shí)是It is no wonde

9、r that            難怪 It is a pity that she has made such a mistake.真遺憾，她犯了這樣一個(gè)錯(cuò)誤。It is no wonder that he has passed the examination.難怪他考試及格了。It was a stupid thing that he didnt listen to his teacher.他不聽老師的話，真蠢。10. It + be + 形容詞 + that從句  是

10、用于該句型中的形容詞有：clear, obvious, true, certain, important, strange, natural, surprising, fortunate, good, wonderful, funny, possible, impossible, likely, unlikely, quite clear, unusual等。慣用句型有：It is necessary that 有必要It is important that 重要的是It is obvious that 很明顯It is important that we (should) learn Eng

11、lish well.我們學(xué)好英語是非常重要的。It is necessary that the students (should) remember all the new words.學(xué)生記住所有的新單詞是必要的。11. It + be + -ed 分詞 + that從句 據(jù) 是 的常見的過去分詞有：said, reported, learned, announced, known, decided, expected, believed, considered, declared, felt, hoped, seen, supposed, thought, unders

12、tood等。慣用句型有：It is said that        據(jù)說It is reported that        據(jù)報(bào)道It is believed that      大家相信It is hoped that        大家希望It is well known that    

13、眾所周知It is thought that      大家認(rèn)為It is suggested that     據(jù)建議It has been decided that   大家決定It must be remembered that務(wù)必記住的是It is said that he has gone to the USA for further study.據(jù)說他已去美國(guó)深造了。It has been decided that we should design the machine

14、ourselves.已經(jīng)決定我們自己來設(shè)計(jì)這部機(jī)器。12. It + 及物動(dòng)詞 + 名詞 + 從句It makes no difference to me whether its foggy or clear.對(duì)我來說，天氣有霧或晴朗沒什么關(guān)系。It doesnt make any difference to me whether he goes or not.不管他是否去對(duì)我都沒有什么影響。13. It + 不及物動(dòng)詞 + that分句常見的不及物動(dòng)詞有：seem, happen, look, appear, come about, turn out, occur等。慣用

15、句型有：It appears that 似乎It (so) happens (that)（那么）碰巧It occurred to me that 我突然想起It seems that he is sick. (= He seems to be sick.)看來他似乎有病。It happened that he wasnt there. (= He happened not to be there.)碰巧他不在哪兒。14. It doesnt matter (to sb.) + 從句 （對(duì)） 都無所謂It doesnt matter to me what he says.對(duì)我

16、來說，他說什么都無所謂。注意：It is demanded / necessary / a pity + that結(jié)構(gòu)中的主語從句的謂語動(dòng)詞要用should 加動(dòng)詞原形， should 可省略。其句型為： (1)suggestedIt is (2)importantthat+ (should) do (3) a pity(1) suggested, ordered, proposed, required, demanded, requested, insisted + (should) do(2) important, necessary, natural, strange

17、 + (should) do(3) a pity, a shame, no wonder + (should) doIt is suggested that we (should) hold a meeting next week.It is necessary that he (should) come to our meeting tomorrow. 二、        It 作形式賓語的句型 it 代指不定式短語的句型15. 主語 + find(make, feel) it + 形容詞 (

18、+ for sb.) + to do sth.I find it easy enough to get on with Tom.我覺得與湯姆相處很容易。16. 主語 + find(make, feel) it + 名詞 + to do sth.He felt it his duty to mention the fact to Mr. Smith.他覺得把事實(shí)告訴史密斯先生是他的職責(zé)。 it 代指動(dòng)名詞短語的句型17. 主語 + think + it + 名詞 + doing sth.We thought it no use doing that.我們認(rèn)為做那件事是無用的。

19、18. 主語 + think + it + 形容詞 + doing sth.   I dont think it worthwhile taking such trouble. 我想不值得這么費(fèi)事了。 it 代指名詞性從句的句型19. 主語 + find(make, think) it + 名詞 + that從句   I consider it a great shame that I didnt pass the examination. 我認(rèn)為我考試不及格是件非常羞恥的事。20. 主語 + find(make, thin

20、k) it + 形容詞 + that從句I think it best that you should stay here.我認(rèn)為你最好呆在這里。21. 主語 + take it for granted + that從句I took it for granted that you would stay with us.我以為你當(dāng)然會(huì)留在我們這里。22. I hate(like, enjoy, love) + it + when從句    我不喜歡/喜歡 該句型中it用于hate, like, enjoy, love等動(dòng)詞后，充當(dāng)形式賓

21、語。I hate it when people talk with their mouths full.我很不喜歡人們吃著東西說話。三、        It 用于強(qiáng)調(diào)結(jié)構(gòu)句型23. It is/was + 被強(qiáng)調(diào)部分 + that 是 的 此結(jié)構(gòu)強(qiáng)調(diào)的成分僅限于主語，賓語和狀語。It was my father who did the experiment in the lab yesterday evening.It was the experiment that my father did in the lab

22、 yesterday evening.It was yesterday evening that my father did the experiment in the lab.It was in the lab that my father did the experiment yesterday evening.What was it that made you so happy?使你這么高興的到底是什么？Whom was it that Mr. Smith saw in the college yesterday? 24. It is/was not until + 被強(qiáng)調(diào)部分

23、 + that 直到 才 It was not until I had read your letter that I understood the true state of affairs.It is not until I have seen it with my own eyes that I will believe it.25. It is/was not (被強(qiáng)調(diào)部分)+ that是 而不是 It is/was not but (被強(qiáng)調(diào)部分)+that不是而是It was last week not yesterday that she met your brother in N

24、ew York. 她是在上周而不是在昨天，在紐約看見你弟弟的。It was not last week but yesterday that she met your brother in New York.26. It is/was because + that  是因?yàn)?才 It was because he was ill that he had to see a doctor.是因?yàn)椴×?，他才不得不去看醫(yī)生的。27. It is/was not because but because + that 不是因?yàn)?而是因?yàn)?才 It is not because she is be

25、autiful but because she has a talent for music that I recommend her.我不是因?yàn)樗?，而是因?yàn)樗幸魳诽觳?，才推薦她的。28. It is/was + (被強(qiáng)調(diào)部分) + (that) + that 正是 的這個(gè) 才  It is the fact that we have spent all our money that we must face.正是我們已花光我們所有錢財(cái)?shù)倪@一事實(shí)，才是我們必須面對(duì)的。It was that he was chosen that made us very happy.正是他被選中這

26、件事，才使我們非常高興的。It is in the factory (that) we visited last week that his father works.他父親工作的地方，正是上周我們參觀的那家工廠。四、        It 用于特殊結(jié)構(gòu)句型常用固定句型29. It is + time + for sb. to do sth到時(shí)間了; 該到了It is + time(about time, high time) + (that) sb. did sth. 時(shí)間已遲了; 早該了It is time fo

27、r you to go to bed. 你該睡覺了。It is time you went to bed.你早該睡覺了。It is (high) time that 后面的從句謂語動(dòng)詞要用過去式或用should加動(dòng)詞原形，但should不可省略。It is time that the children went to bed. (= It is high time that the children should go to bed.)30. It is + the first / second time（表次數(shù)）+ that從句   這是第一次 /第二次 該結(jié)構(gòu)中的從句部

28、分，用現(xiàn)在完成時(shí)。It is the first time that I have visited the city.31. It is + 一段時(shí)間 + since從句 It has been + 一段時(shí)間 +   since從句 自從 以來已經(jīng) 該句型中 " It is since"可代替"It has been since "，意思不變。It is (= has been) five years since we last met.自從我們上次見面以來已經(jīng)有五年了。It is two years since I became a postgraduate student.我成為研究生已有兩年了。注意：since從句中用延續(xù)性動(dòng)詞或狀態(tài)動(dòng)詞的一般