While John was watching TV, his wife was cooking.这句话中,主句是什么?从句是什么?主句主语是什么?从句主语是什么?到底要如何确定主句和从句?

While John was watching TV,his wife was cooking.主句：His wife was cooking 主句主语：His wife 谓语was cooking从句：While John was watching TV 时间状语从句从句主语：John 谓语was watching 宾语TV简单说一...