形容词性物主代词有:

my,your,his,her,its,our(我们的),your(你们的),their(他们的)。形容词性物主代词其后必须跟名词。如:形容词性物主代词不能单独使用,后面必接名词,表示所有.

形容词性物主代词只能当定语

如:

My school is not far from here. 我的学校离这儿不远。

 Is that your bike?那是你的自行车吗?

Those are our books.那些是我们的书。

主语: 表示句子所要说明或描述的人或事物,一般由名词、代词或相当于名词的词组或句子充当,置于句首

如: Mother bought a computer gor me.

My mother bought a computer for me.