It作形式宾语用法总结

1、It做形式宾语用法总结 当不定式（短语）、动名词（短语）或从句在某个句子中作宾语时， 为保持句子结构平衡， 避免句式结构的混乱，常用 it作形式宾语，而将真正的宾语放在句尾，构成动词+ it +宾 语补足语+不定式（动名词或从句） ”结构，也可称作“ 6123结构”。此时it仍只起先行引 导作用，本身无词义。它可以代替三种形式：不定式、动名词和宾语从句。 it作形式宾语时，需具备两个条件： 真正的宾语是不定式、动名词或从句； 有宾语 补足语，具备了这两个条件，形式宾语it 一定要用。 1. it代替不定式短语 thi nk/ find/ feel/ con sider/ make/ regar

2、d形容词 + 名词 + 不定式 短语如： I find it pleasant to work with him. （it作形式宾语，代替不定式短语to work with him） They felt it difficult to finish the work in such a short time. （it作形式宾语，代替不定式短语to finish the work in such a short time ） She thi nks it her duty to help us. （it作形式宾语，代替不定式短语to help us） I thi nk it my honor t

3、o be in vited to speak here. （it作形式宾语，代替不定式短语to be invited to speak here） Tom didn t find it difficult to write letters i n Chinese. （it作形式宾语，代替不定式短语to write letters in Chinese ） All these no ises made it impossible for me to go on with the work. （it作形式宾语，代替不定式短语to go on with the work ） 2. it代替动名词短语

4、（这只限于少数句型，在多数情况下用不定式时更多一些） 如： The professor con siders it no good reading without un dersta nding. Do you con sider it any good trying aga in? He found it useless（ no use） arguing with him. He thought it absolutely sen seless attempt ing the impossible. I don t think it worthwhile going to such a pl

5、ace. 3. it代替宾语从句： 如： We all thought it a pity that the conference should have bee n can celled. I took it for gran ted that they were not coming. I ll see to it that everything is ready in time. “ it的特殊用法常出现在以下几种结构中。 A. 动词+ it + when / if 从句。常见于 appreciate, enjoy, like, dislike, love, hate, prefer 等

6、少 数动词之后。 We would much appreciate it if you could do us that favour. Id prefer it if I did nt have to finish the work. B. 动词+ it + that从句。常见于like, take, have, put等少数动词之后（it相当于that从句的 同位语）。 I take it that they will succeed sooner or later. The n ewspapers have it that some Japa nese firms have gone b

7、an krupt. Rumor has it that Mary is gett ing married. I take it that you have bee n out. Let me come and stay. You can put it that it was arra nged before. C. 动词 + it + 介词短语 + that 从句。常见于 bring it to ones attention; owe it to sb; take it for gran ted等结构中。 I owe it to you that I finished my work in t

8、ime. Dont take it for gran ted that they will support you. D. 动词 + 介词(短语)+ it + that 从句。常见于 answer for, depend on, rely on, insist on, Iook to, see to, stick to 等结构中。 ni see to it that everyth ing is ready in time. You may depe nd on it that Tom will help you with your En glish. I m counting on it t

9、hat you will come. E. 动词+ it +过去分词+从句。常见于几个可以带过去分词作宾语补足语的动词之后。 I heard it said that that factory was foun ded in 1995. They have nt made it known where the meeti ng is to take place. 易混用其他句型 英语中有一些句型不含it,但却易被误用了 it，常见的有以下句型: 1. There is something/nothing wrong/ the matter with sb./ sth. 如： There is

10、nothing wrong /the matter with him. He s just prete他没什么事，他只是 在装呢 2. There is no doubt about 对毫不怀疑 There is no doubt that 对毫不怀疑 如：（ There is no doubt about his suitability for the job. 毫无疑问，他适合这个工作。 There is no doubt about the fact. 关于这个事实毫无怀疑。 There is no doubt that he is hard to deal with. 毫无置疑他很难对

11、付。 3. There is no need (for sb.) to do sth.没必要 女口：There was no n eed for him to rema in in Paris. 他没有必要继续留在巴黎。 There is no n eed for you to start yet. 你现在还不必动身。 4. There is no/a possibility that没可能/有可能 (=It is impossible /possible that ) 女口： There is a possibility that the train may be late. 可能火车要晚点

12、。 There is no possibility that we ll see him this wee我们本周末不可能见到他。 5. There is a chanee that 可能 女口： There is a chanee that the sick child will get well.这个生病的孩子可能会好起来的。 6. There be no/ some differences betweenand和 之间没 /有区另U 女口： There are some differences between the two Ianguages. 这两种语言之间有些区另U。 7. After what seemed + 时间 如:After what seemed a