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?

前后状态应该保持一致
所以用 was cooking

were cooking——过去进行时态，因为后面是was所以是过去时态，watching所以是进行时态，表示过去某一时间点正在做什么。

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...