when i was watering the flowers yesterday evening,my mother_____(cook)dinner in the kitchen.应该填什么呢.还有这句话的谓语动词是什么.有连接词吗?
问题描述：
when i was watering the flowers yesterday evening,my mother_____(cook)dinner in the kitchen.应该填什么呢.还有这句话的谓语动词是什么.有连接词吗?
答
was cookingwhen是连接词谓语动词呢cookwas watering 非谓语动词？was watering 非谓语动词？前面是从句主句是后面的那句话从句也有谓语动词？不是一个句子只有一个谓语动词吗