It being raining,we stayed at home.Being raining,we stayed at home.这两个哪一个对还是两个都对为什么

It being raining,we stayed at home.Being raining,we stayed at home.这两个哪一个对还是两个都对为什么
It being raining,we stayed at home.Being raining,we stayed at home.这两个哪一个对还是两个都对
为什么

It being raining,we stayed at home.Being raining,we stayed at home.这两个哪一个对还是两个都对为什么
前者,是独立主格结构

第一个对。