“It”用法及其句型和固定搭配,是高中英语语 法的重点、难点,又是近几年高考的热点,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 表达以下概念:指代前文提到的事物,前文中的 this,that;替代前文中的内容;指代一位性别不明的小 孩或未知的人;指代未指明但谈话双方都知道的那件 事;指代时间、天气、气候、距离等自然现象…… The use of “It” as well as its sentence patterns and fixed collocations are the focus and difficulty of high school English grammar. It is also a hot spot of the college entrance examination in recent years. Therefore, sufficient emphasis should be given to the review. The usage of it is summarized as follows: 1. It is used as a real word to express the following concepts: refer to the thing mentioned in the previous article, this, that in the previous article; replace the content in the previous article; refer to an unknown child or unknown person Refers to an unspecified event that is known to both sides of the conversation; refers to natural phenomena such as time, weather, climate, distance, etc.