高考英 语It的用法专项总结及训练.docVIP

It的用法专项总结及训练一、人称代词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: They watched the train until it disappeared in the distance.2.，也可以指动物或婴儿(未知性别的婴儿或孩子): Is this your dog？No, it isn’t.3.，也可指抽象事物I hate it when people talk with a full mouth.．二、.非人称代词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  ⑴.指天气：It is a lovely day, isn’t? it? .指时间: It was nearly midnight when she came back. 三、其他用法1.表示谁在做某： Who is it there? Its I (me/you/he.....). ②I thought it was Mary, but it was not she. ③Her face?lighted when she saw who it was. 2.泛泛的指某件事： (有时泛指一般情况) It doesn’t matter.  ②It is a shame, isn’t? it? ③How is it going?(情况怎样 ④It says in the newspaper that......3.it用在一些词组中，it 没有特别的意思The last trains gone. Come on, well foot it.(来，咱们步行吧。四、作形式主语，替代主语从句不定式，　　　作形式主语替代主语从句t is clear ( obvious， true， possible， certain....) that 常译为＂清楚（显然，真的，肯定．．．）＂　　 It is very clear that he’s round and tall like a tree. = That? he’s round and tall like a tree is very clear. ⑵It is important ( necessary， right， strange， natural...) that that 后的从句中要用虚拟语气（should + 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. 　　? It is necessary that he (should) remember these words.  ⑶It is said (reported/ learned/believed/thought/known/told/hoped.....) that 从句 常译为＂据说（据报道，据悉．．．）＂。 　　? It is said that he has come to Beijing. 　　? It is reported that another earth satellite has been put into orbit.  ⑷It is suggested ( advised/ ordered / demanded/ insisted/ commanded... ) that 从句.that　后的从句要用虚拟语气（should + 动词原形），should 可以省；常译为＂据建议；有命令．．．） 　It is suggested that the meeting ( should ) be put off. 　 It was ordered that we ( should ) arrive there in two hours. ⑸It is time ( about time ，high time ) thatIt is time that children went to bed. It is time you bought a new car. It is (high ) time you made up your mind. ⑹It is the first ( second ... ) time that从句从句用现在完成时It was the first ( second ... ) time that从句从句用完成时常译为＂是第一（二）．．．次．．．＂。 It is the first time I have been here. = Thi