高考英语It的用法(专项总结及训练)

It的用法（专项总结及训练）一、人称代词1，it的最基本用法是作代词，主要指刚提到的事物，以避免重复: ①They watched the train until it disappeared in

It 的用法（专项总结及训练） 人称代词 一、 1it: ，的最基本用法是作代词，主要指刚提到的事物，以避免重复 They watched the train until it disappeared in the distance. ① 2.(): ，也可以指动物或婴儿未知性别的婴儿或孩子 Is this your dogNo, it isn’t. ②？ They got ababy and it was aten-pounder ③ 3.: ，也可指抽象事物或指抽象环境和情景 Ihate it when people talk with afull mouth. ③． . 非人称代词 二、 1.it 有时并不指具体的东西而泛指天气、时间、日期、距离、价值、度量、温度、环境等 ： .It is alovely day, isn’t it? ⑴指天气： .: It was nearly midnight when she came back. ⑵指时间 ⑶.指日期:It is April First today. ⑷.指距离:It is some 3000 kilometers from Beijing to Guangzhou. ⑸.指价值:It is three dollars. ⑹.指温度:Today it is 30 degrees centigrade. 其他用法 三、 1. 在句子的主语不太明确时充当主语，表示谁在做某事 ： Who is it there? It's I(me/you/he.....). ① Ithought it was Mary, but it was not she. ② Her face lighted when she saw who it was. ③ 2. () 泛泛的指某件事：有时泛指一般情况 It doesn’t matter. ① It is ashame, isn’t it? ② How is it going?() ③情况怎样 It says in the newspaper that...... ④ 3.itit 用在一些词组中，没有特别的意思 The last train's gone. Come on, we'll foot it.() 来，咱们步行吧。 作形式主语 四、，替代主语从句，动词不定式，或动名词短语： 1. 作形式主语替代主语从句 It is clear (obvious true possible certain....) that ⑴，，，从句常译为＂┅清楚的（显 , 然的，真的，可能的肯定的．．．）＂ It is very clear that he’s round and tall like atree. =That he’s round and tall like atree is very clear. It is important (necessary right strange natural...) that ⑵，，，从句常译为┅是重要的 (,,,).that should + 必要的对的奇怪的自然的┅后的从句中要用虚拟语气（动词原形）， should 可以省去， 建议记住该句型中的形容词。 It is important that we (should) learn English well. ①