请结合之前那个定语从句的简化(2)回答:
https://www.cpsenglish.com/question/56194
1. 下面这个图,为什么将The man cooking for the students has died. *还原后只能是The man who is cooking/cooks for the students has died. *而不能是The man who cooked for the students has died.?
2.下面这个图,为什么The girl standing at the gate yesterday is my sister.*还原后只能是:The girl who was standing at the gate yesterday is my sister.而不能是The girl who stood at the gate yesterday is my sister?