It句型归纳最全总结x

1、It句型归纳总结I. It作形式主的句型 It + be + adj (kind , wise , care less, clever )+ of sb to do sthEg: It is wise of him to make such a decision.他做出 的决定是明智的。 It + be + adj(easy，safe , common , normal )+ for sb to do sth句型中 adj 若 important, necessary, natural, possible, strange, vital, essential 等可改从句，从句用 should+

2、 原形。.Eg: It's very dangerous for children to play with fire It is important for us to learn English we 11 (二 It is important that we (should) learn English well.)(3) Il + be +V-ed( reported, believed, said, suggested )+ that 从句句型中：若 V-ed reported, believed, said 等常“据道”，"据”，“据”。若 V-ed sugges

3、ted, ordered, demanded, insisted 等表示 “建”，“命令”的，从句要用虚 气(should)+原形。Eg: It is suggested that the book (should) be revised.It s said that Tom has been back from abroad.(二Tom is said to have been back from abroad.)1( + be + n (a pily, a shame, a fact, good news )+ (hat 从句：？句型中，从句一般用(should) + 原形，表示出乎意料，

4、常"竟然Eg: It is a pity that such a thing ( should ) happen in your class.种事竟然生在你班上,真是憾!(5)1( is useless/no use/no good /pleasure+ doing slh此句型中的it是形式主，其后的名短是真正的主，“做“没有用”。Eg : It 's useless arguing with him further. / It 'sno use talking with him, because he won tlisten. 1( lakes sb. lo do

5、 sth句型中it是形式主，真正的是to do sth，常"做.要花某人Eg: It took thousands of people many years to build the Great Wall.II. It作形式的句型1. sb find/ believe/ think/ fbel/ consider/ make + it +n/adj +(o do或从句句型中的it作形式。了方便我可称句型"6123构”。6指主句中常用的： think, believe, make, find,consider, feel; 1指的是形式it; 2指的是 的两种形式:形容或名；

6、3指的是真正 的三种形式:不定式短，名短或 that引的从句。Eg: We think it our duty to clean our classroom every dayHe felt it important learning English wellThey found it difficult that they would finish their work in two days2. 主 + hate / dislike / love / like亠 it + when 从句Eg: I hate it when people speak with their mouths Ri

7、ll.3. 主 + appreciate +it + ifAA句Eg: I really appreciate it if you could help me with my math.4. sb. depend on/counl on/rely on/ see lo( 确保)/ answer fbr il lhal5. sb. lnke il for gitinled 山al 是理所当然的Eg: I take it for granted that he will succeedin. it引的句型(1) It i is/has been i卜 since 弓丨的 状 从句4句型中从句一般用

8、去，句意“自从以来已多久了 ”Eg : It is 5 minutes since the bus left.公汽开走已有 5 分了(2) Il + be (will/wQs )1段卜 belbfe 弓丨白勺 状 从句?句型中，主句be若肯定式，意 “多久才；若”否定式，意“没多久就Eg : It will be long/ 3 hours before he comes back.要 三个小他才会回来It was 3 hours before he came back. 了三个小 他才回来(3) Il丨be I点1-碎1的宀的 状从旬个句型中，it代指，表示点的前没有介。Eg : It wi

9、ll be Monday when he comes back.他周一的候回来 It was Monday when he came back.他周一回来的上匕：It was on Monday that he came back ( 句)(4) It + is (about/high) (ime +?(lha() sb did/should do sththat从句用should或一般去表虚。意“是某人做的候了”，about/high是用于加 气亦可 成 It + is+ time +(for sb )to do sth.Eg : It's (high/about) time (th

10、at) we handed in/should hand in our homework.(5)1( / This / Thai +is+ (he firs "second意“是某人第次做”，注意)lime + that sb has done sth:time前有序数，主句是is ,从句要用在完成；如果主句用was ,从句用去完成oEg : It is the third time that I have seen the film.That was the second time that I have been there.IV. It引的句句形式:It + is/was +

11、被的部分 + that/who从句Eg: It was last week that I met an old friend in the street. / It was because he was ill that he didiVt come to school yesterday. (原因状从句，只能 由because所引的从句.)判断方法：将It is/was和that去掉，若句是一个完整无缺的句子即常考考点： 句型中的 主一致 Eg: It is you, rather than he , that are 插入从句的 句型Eg: It was in the restaurant

12、 where we 句型的一般疑句、特殊疑句形式一般疑句： Is / Was it +被 部分+ that +句子其余部分to blame for the accident had dinner last Sunday that you left your waliet ? Eg: Was it in 1933 that the Second World War broke out?特殊疑句：疑+ be + it + that + 句子其余部分? Eg: When was it that he changed his mind to take part in the activity ?句型用

13、于名性从句,尤其注意要使用述序OEg: I don "know when it was that he changed his mind to take part in the activity ?not until用干 句型 It is / was not until +被 部分+ that +其他部分Eg : It was not until midnight that she went back home此句型只用unlil,不用till。但如果不是 句型，till和until可通用。因句型中 It is / was not.已是否定句了， (hat后面的从句要用肯定句。V.

14、It其他常用法：It looks / appears as if.看起来好像It looks as if she is ill.It seems that 似平 It seems that he will be back in a few daysIt turns out that. 原来是 It turned out that the beautiful woman was a thief.It occurs to/strikes sb that 突然想到It occurred to me that I hadn (locked the door.It happened that . 碰巧 It happened that he met his teacher in the street.It doesn tmatter whether/if * 是 没关系 It doesn 4maIter whether he will come or not.It is no wonder that 彳圣 He works so hard 11's no wonder he could pass the examHow did i