“形容词性物主代词”和“名词性物主代词”用英语分别怎么说？

形容词性物主代词:possessive adjective(也称:所有格形容词)
名词性物主代词:possessive pronoun(也称:所有格代词)

形容词性物主代词:表示某人的什么,它后面必须得跟相关名词.
如: her skirt, our teacher.
它在运用时可放在句中句首,但不可放在句尾.
名词性物主代词:它已经把上文说过的那些/个东西包含在内了,因此在运用中,它只能放在句首或是句尾,也就是前文说过的那些关键名词不用再出现了.

Mary's book is there. Theirs is/are here.

This is my bike. That is hers.