her的主格是什么

her的主格是she,she在句子中充当主语，her是形容词性物主代词，后面接名词。例如:

She is an actress.她是一名演员。

She keeps playing sports every day.

她每天都坚持运动。

Her daughter is a pianist.她女儿是名钢琴家。

Her parents are doctors.

她的父母是医生。