It的固定句型的总结

1、高中阶段关于It的常见固定句型的总结1. It be +adj.+ (for sb.) to do sth. (n ecessary, fun dame ntal, importa nt, vital, esse ntial, sig ni fica nt, possible, impossible, difficult, hard, easy, convenient)It 'necessary for us to have a good knowledge of English.It is convenient for me to go to work from here.2. It

2、 be +adj.+ of sb. to do sth. (kind, cruel, clever, stupid, foolish, polite, rude, typical 等表示逻 辑主语性质，特征的词)It is cruel of them to kill the dogs.It is typical of her to keep others waiting long.3. It be + 扌由象名词 +to do sth. (duty, hope, fact, fun, pity/shame, pleasure, honour, good/bad mann ers, one

3、9;s turn)It is fun to talk with him.It is bad manners to make fun of somebody ' appearanee.It is your turn to answer the question.4. It be +adj.+ that-clause. (necessary, important, vital, essential, significant, natural, strange, essential, funny,注意虚拟语气的使用)It is n ecessary that we (should) have

4、 a walk now.5. It be +possible/likely/probable + that-clauseIt is likely that she will ring me tonight.注意三者的区别It is possible (for sb.) to do sth.-It is possible that-clauseIt is/seems probable that-clauseMt is likely that-clauseSb. is likely to do sth.6. It be +a pity/shame + that-clause (注意这种情况可以用虚

5、拟语气也可以用陈述句语气)It is a pity that I can 'swim.It is a pity that you should lose a cha nee.7. It be +no/little wonder + that-clause (难怪 )a wonder that-clause (真是令人奇怪 )It comes as no surprise that-clause (难怪 )It is no wonder that she didn 'twant to go to the party.8. It be +no good/use / of littl

6、e use/good/useless + doing sth.It is no use crying over spilt milk.9. It be + just like sb. +to do sth.(某人恰恰就是这个样子_ not like sb. + to do sth.(某人不是这个样子 )It 'just like her to think more of others.10t + be + done + that-clause. (said, believed, reported , proved, supposed, hoped, con sidered, thoug

7、ht, known, pointed out, must be admitted, accepted / suggested, advised, proposed required, asked, requested, ordered, directed, commanded, urged, desired 注意黑体词需 用虚拟语气)It is reported that two scie ntists were killed in the accide nt.It is suggested that the meeting (should) be put off.11.lt is (good

8、/high) time for sth.It is (good/high) time to do sth.It is (good/high) time for sb. to do sth.It is (good/high) time that sb. did sth.It is (good/high) time that sb. should do sth.12. It will be (not)+ 时间+ before-clause.It was (not)+ 时间+ before-clause.It will be long before we will come back13.It be

9、 +段时间+ since +瞬时动词(自从以来有多长时间)It be +段时间+ since +延续性动词 (有多长时间没做)It 'about three years since I moved here.It is a few years since I smoked14.It/This/That +is+ the first/second time + sb. have done sth.It/This/That +was+ the first/second time + sb. had done sth.It is the first time I have met such

10、a great man.15.It be +时间+when从句(时间是)It was eight o 'clock a.m. when the satellite was launched.16.It be+强调部分+that/who+其它成分注意:It be + not until+that+其他成分17.It is up to sb. to do sth.(由某人负责某事)It 'up to us to give him all the help we can.18. It +(doesn ')+ matter +that/when/whether + (有/没关系

11、)It makes a difference that-clauseIt makes no difference whether/when/where/how It does n 'matter whether we go together or separately.19. It occurs to sb. /strikes sb. + 从句20. It came about that-clause21. It + (so) happened+ that 从句(碰巧)It happe ned that I saw him yesterday.22t seems/appears tha

12、t 注意 厂sb. seems to be/to do sth.(注意动词不定式时态和语态的考查)I It seems as if/as though It seems that There seems to be C It looks as if/as though L Sb. looks as if Jit appears that -There appears to be 23. It takes sb. some time/some money to do sth.It takes some time/some money for sb. to do sth.24. It turns

13、out / proves that It tur ned out that he was not the kind of pers on we wan ted.25. find/think/make/feel/consider + it + adj./n.+ to do sth. /doing sth. / that-clauseI made it clear/sure/certain that I was not interested in gardening.Cellphones make it possible/likely for us all to communicate at any time and from anywhere. She has made it a rule/habit/practice to read English aloud in the morning.I feel/think/find it a duty/a honor to help you with English.26. v.+ it + that/if/when 常见的有：hate/like it when 讨厌 /喜欢某人做see to it that 务必/确