相互代词

　　表示相互关系的代词叫做相互代词。相互代词有each other 和one another两种形 式。在当代英语中，each other和one another没有什么区别。相互代词可在句中作宾语，定语。作定语用时，相互代词用所有格形式。

　　We should learn from each other / one another. (作宾语)

　　Do you often write to each other / one another? (作宾语)

　　We often borrow each other's / one another's books. (作定语)

　　The students corrected each other's / one another's mistakes in their homework.

　　(作定语)