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1、It作形式宾语用法总结（总2页）-本页仅作为文档封面，使用时请直接删除即可-内页可以根据需求调整合适字体及大小- 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“动词土 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
2、替不定式短语 t hink/ find/ feel/ consider/ make/ regard+ it +形容词/ 名词+不定式短语女口： 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 difficuIt 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 thinks it her duty to help us.（it作
3、形式宾语，代替不定式短语to help us） I think it my honor to be invited to speak here.（ it 作形式宾语，代替不定式短语 to be invited to speak here） Tom didnt find it difficuIt to wri te letters in Chinese.（it作形式宾语，代替不定式短语to write letters in Chinese） All these noises made it impossible for me to go on with the work.（it作形式宾语，代替不
4、定式短语to go on with the work）2. it代替动名词短语（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 considers it no good reading without understanding. Do you consider it any good trying again? He found it useless( no use) arguing with him. He thought it absolutely senseless attempting the impossible. I dont think i
5、t worthwhile going to such a place.3. it代替宾语从句：如： We all thought it a pity that the conference should have been cancelled. I took it for granted 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, dislik
6、e, love, hate, prefer等少数动词之后。We would much appreciate it if you could do us that favour.Id prefer it if I didnt 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 newspapers have it that some Japanese firm
7、s have gone bankrupt. Rumor has it that Mary is getting married.I take it that you have been out.Let me come and stay. You can put it that it was arranged 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 granted 等结构中。I owe it to you that I finished my work
8、 in time.Dont take it for granted 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, look to, see to, stick to 等结构中。Ill see to it that everything is ready in time.You may depend on it that Tom will help you with your English.Im counting on it that
9、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 founded in 1995.They havent made it known where the meeting 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.女口： There is not hing wron
10、g /the matter with him. Hes jus t pre tending. 他没 什么事,他只是在装呢。2. There is no doubt abou t对毫不怀疑 There is no doubt tha t对毫不怀疑女口： There is no doubt about his sui tabili ty for the job. 毫无疑问，他适合 这个工作。 There is no doubt about the fac t.关于这个事实毫无怀疑。 There is no doubt that he is hard to deal with. 毫无置疑他很难对付。
11、3. There is no need (for sb.) to do sth.没必要女口：There was no need for him to remain in Paris.他没有必要继续留在巴黎。 There is no need for you to start ye t.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 possibili ty t ha t the t rain may be la te. 可能火车要晚点。There
12、 is no possibi lity that well see him t his weekend. 我们本周末不 可能见到他。5. There is a chance that 可能女口： There is a chance 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/有区别女口： There are some differences be tween the two languages. 这两种语言之间有些 区别。7. After what seemed + 时间如： After what seemed a very long time, the wounded soldier came back to life.在经过似乎很长的一段时间之后，那个受伤的士兵苏醒了过来。8. There be difficulty/ trouble (in) doing sth.干有困难 如：There was no difficulty in finding him. 找到他没费什么事。
