it用法学生版.docVIP

it的基本用法 ?1. 用做代词 （1）指无生命、动物、植物. It is a cat. (2) 用作人称代词，指代上文提到过的事物 这是我们的新车。我昨天买的。 (3) 代替指示代词this, that --What’s this? --It’s a pen. (4) 指代时间、距离、天气或环境等 几点了？7点. 今天天气怎么样？正在下雪。 从他家到我们学校很远。 公园里很安静。 (5) 有时it也可指人（在性别不计或不详时指人和婴儿） --Who is it? --It’s me. She is feeding her baby. It is lovely. 含it的常用特殊句型 1. It doesn’t matter… It doesn’t matter what he says. 2. It appears/ seems/ happens that… It seems that he is always correct. It happened that I had no money with me. 3. It is said/ reported/ believed/ understood that… It is said that he has joined the Party. 4. It is a waste of time /money doing sth. It’s a waste of time your talking to him. 5. (It is) no wonder( that) … 6. It makes no/much difference… It’s doesn’t make much difference my being there. 7. it takes sb. some time to do sth. It took me nearly an hour to work out the problem. 8. It’s one’s turn to do sth. It’s my turn to clean the classroom. 9. If it were not for… If it were not for your help, I would still be homeless. 2. 用做引词 it在______或_______的位置，做_____________或_____________， 真正的主语或宾语是后面的___________、__________、_________________ 做形式主语，代替由不定式、动名词或从句所表示的真正主语 It 作形式主语时,常用于下列四种结构,且由固定译法a) it + be + noun + that-clauseit is a fact that…事实上是……it is common knowledge that众所周知的是……it is a question that………是个问题it is a pity that…可惜的是…… b) it + be + adjective + that-clauseit is certain that…很肯定的是 ……it is clear/evident that…很清楚……it is unlikely that…未必会,不见得,不太可能it is likely that…很可能…… c) it + be + past participle + that-clauseit is said/reported that…据说/报道……it is demanded that…按要求……it is estimated that…据统计……it is believed that… 据认为……；人们认为…… d) it + be + intransitive verb + that-clauseit seems that/as if 好像是……it happens/happened that 碰巧……it follows that 由此可见……it matters that 要紧的是…… 翻译练习： 学习一门外语是必要的。 众所周知，他是一个富翁。 告诉他这个消息没什么用。 2) 做形式宾语，代替由不定式、动名词或从句所表示的真正宾语 ① vt. (find, think, make, etc. ) + it +adj. /n. +doing/ to do/that… I think it impossible for us to finish our work on time . 我认