表示所有关系的代词叫屋主代词, 形容词性物主代词 做定语 表示与他后面的名词之间的关系 形式为my your his her its our your(复数) their 如he put my pen into his pocket。其中 my 和 his 就是形容词性物主代词 名词性物主代词 是用来避免前面已经提到的名词重复,做主语 表语 宾语 形式为 mine yours his hers its ours yours (复数) theirs 如 this book is hers。mine is missing。其中 hers和mine就是名词性物主代词