I met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing. 五、过去完成时的主要用法 1. 过去完成时表示一个动作或状态在过去某一时间或动作之前已经完成或结束,即发生在"过去的过去"。如: When I woke up, it had stopped rain...