We_____(clap)our hands while the guards____(march)across the road.

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 13:55:42

We_____(clap)our hands while the guards____(march)across the road.
We_____(clap)our hands while the guards____(march)across the road.

We_____(clap)our hands while the guards____(march)across the road.
were clapping ;were marching
句子意思:当护卫队齐步走过马路的时候我们鼓掌了.
while只能表示某一段时间,不能表示某一点时间.在while引导的时间状语从句中,其谓语动词只能是延续性的,而且也只能与主句中的谓语动词同时发生或存在.
while引导的时间状语从句多用进行时态

clapped , were marching