1、that作指示代词:That is my book.那是我的书。

3、that作关系代词引导定语从句:This is the sort of thing that Jeremy loves.这是杰里米喜欢的东西。

5、that作副词:that和this都可以作聚州萄棂副词,用于修饰形容词或修饰另一个副词,表示“这么,那么,如此,这般”的意思,如:It's about that long. 它大约有那么长。that 引导的结果状语从句1)由that引导的状语从句:What have I done that you should treat me like this? 我究竟干了什么,你竟这样对待我?2)结果状语从句中的that 有时还可以省列:He is such a marvelous joker you can't help laughing. 他的笑话讲得那么出色,你会禁不住哈哈大笑。
