句子中While时应用什么时态

问题描述:

句子中While时应用什么时态
While you ____(cook) dinner,I was watching TV.
括号中应填什么?
当句子中有While时态应是什么样的呢?

填 were cooking..一般出现while表示在做某事的时候同时在做.一般用进行时.时态是根据主句的时态而改变的,多为过去进行时I was taking a shower while listening to music..He was reading newspaper while she is c...