形容词性物主代词：作定语。如：my book, our country,his room,their parents，her wallet等等。
名词性物主代词:作主语、表语、宾语。如：
His book is lost and mine is lent to Tom.
This is a friend of mine. This book is his/hers/mine.
I need money very much. Give mine back to me tomorrow,please.
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