I don't like it when she's sick.为什么she's sick?为什么用所有格啊?HER可以么?

I don't like it when she's sick.为什么she's sick?为什么用所有格啊?HER可以么?
I don't like it when she's sick.为什么she's sick?
为什么用所有格啊?HER可以么?

I don't like it when she's sick.为什么she's sick?为什么用所有格啊?HER可以么?
she's=she is
her才是所有各啊!

就是她病了啊