形容词性物主代词：

单数形式: my, your, his, her, its, one's

复数形式: our, your,  their, 

• This is my book.
• We love our motherload
• Those are your socks(袜子)

名词性物主代词

单数形式：mine, yours, his/hers/its,one's
复数形式：ours yours,theirs

• The book is ours.
• The apple is hers

My teacher is Chinese.

The computer is theirs.

Our book is on the shelf