问题描述： when和by the time用在过去完成时有什么区别? 1个回答 分类：英语 2014-10-27 问题解答： 我来补答 y the time是从前面的时间开始一直到那个时间点的状态when则只是表述那个时间点的动作或状态.by + 过去的时间点.如：I had finished reading the novel by nine o'clock last night.When I woke up,it had already stopped raining. 展开全文阅读
