在英语教学中,“It”用法及其句型和固定搭配,是英语语法的重点、难点,又是近几年考试的热点,因此在复习中应给予足够的重视。现将it用法归纳如下:一、It用作实词-Who is knockingat the door?-It’s me谁在敲门?是我。The ant is not gathering this food for itself alone.Ithastwo stomachs in its body.蚂蚁不只是为自己采食。它的身体里有两个胃。When service is interrupted,as it wasby last night’sstorm,John has to inform the pu blic what thecompany isdoing about the problem.每当供电中断时,就像昨夜因暴风雨而造成的那样,约翰就必须通知大家,公司为解决这个问题正在做些什么。二、作非人称代词,表示时间、天气、季节、距离、环境等It is tea In English teaching, the usage of “It ” and its sentence pattern and fixed collocation are the focal points and difficulties of English grammar. It is also a hot point of examination in recent years. Therefore, enough attention should be paid in the review. It is now used as follows: First, It is used as a real word-Wo is knockingat the door? -It’s me Who’s knocking? It’s me. The ant is not gathering this food for itself alone. Ithastwo stomachs in its body. Ants do not just feed themselves. It has two stomachs in its body. When service is interrupted, as it wasby last night’s condition, John has to inform the pu blic what thecompany isdoing about the problem. Every time power is cut off, just as it was caused by a storm last night, John must inform everyone that the company What is being done to solve this problem? Second, non - personal pronouns, that time, weather, season, distance, environment, etc