反身代词作宾语：当句子的主语和宾语是同一个人时，常用反身代词作谓语动词的宾语。
例：Tom taught himself math.
作介词的宾语，常用于by,except,to ,for等之后
例：The old man lives by himself in the countryside.
反身代词作同位语。反身代词放在主语或宾语的后面作同位语，常用于加强语气，意为亲自，本身，本人。
例：I never thought that he himself would come.
例：I’m not quite well myself these days.
含有反身代词的固定短语：enjoy oneself ,teach onself ,hurt oneself
