it的用法讲解讲义.ppt

* * 一、代词 ?人称代词it可以用来代替一个名词、短语、句子，以免重复。 (1)指代刚提到过的同一事物 （同类；同一） This is my new car. I bought it yesterday. (2) 指动物或不考虑性别的婴儿 Where is the cat? It’s under the bed. The baby cried when it was hungry. (3) 在情景中确认某人或事物（不知性别的人） Who is it? It’s me. (敲门) ---Who’s it over there? ---It’s the milkman. (4) 指代前句或后句所述的情况/事情 He smokes in bed and I don’t like it. It would be great if you could join us. (5) 指时间、距离、天气或环境等（非人称代词） What time is it? It’s seven. It’s about 50 kilometers from here to my home. It is snowing. It was very quiet in the garden. I was disappointed with the film ，I had expected _______ to be much better． A．that B．this C．one D．it 2. Toms mother kept telling him that he should work harder, ___ didnt help. A.he B. that C. she D. but it 二、引导词it (1) it用作形式主语:当_______,_______,_____作主语时，常用it做形式主语， It’s a pity to refuse. 拒绝是令人遗憾的。 It’s no use saying any more about it. 再谈这事没有用。 It’s not known where she went. 她到哪里去了没人知道。 不定式 动名词 从句 一 it用作形式主语 注： It’s no use/ no good/ no need/ no pleasure/ useless/ a waste of…+doing B. It is said (reported / believed / expected/ accepted…) that… 据（报道，认为…）…. C.It happens (appears, seems…)that…; It struck me/occurred to me that…突然想到.. D. It is a pity(no wonder, ) that… E. It doesn’t matter that… …没关系 ; It makes no difference that… …没影响 F: It’s important(necessary, easy, kind…) ___/____sb to do sth. for of 他说什么都没关系。______________________________ 他好像总是对的。_________________________________ 碰巧我当时没有带钱。_____________________________ 据说他已经入党了。_______________________________ It doesn’t matter what he said It seems that he is always right It happened that I didn’t have money on me. It is said that he has joined the party. ___ difficult to be in a foreign country, especially if you don’t speak the language. That is always B. It is always C. It would be always D. That will always be 2. ___ one day they will have enough animals to set them f