i的形容詞性的物主代詞是什么

　　My brother is my senior by two years.

　　我哥哥比我大兩歲。

　　My whole family came to my graduation.

　　我的家人都來參加了我的畢業(yè)典禮。

　　My debts are a millstone around my neck.

　　債務成了我難以擺脫的負擔。