it 的用法 1.it 作人称代词 1.1.it 的最基本用法是作人称代词,主要指刚提到 的事物,以避免重复: Zhengzhouisabeautifulcity,isntit? 1.2. 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 isnt. 1.3. 也可指抽象事物: Itwasagreatsurprisetomewhenhedid athinglikethat 2. 非人称代词it it 有时并不指具体的东西,而泛指天气、时间、环境等 ,称为非人称的it : 2.1. 指天气: It is a lovely day, isnt it? It is a bit windy. 2.2. 指时间: It was nearly midnight when she came back. 2.3. 指环境: It was very quiet in the caf. 2.4. 指距离: It is half an hours walk to the city centre. . 引导词it 1. It is + 被强调部分 + that