By the time用法可以和when互换么?

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/06/18 02:06:21

By the time用法可以和when互换么?
两个都能表示“当.”么?

y本身有‘.之前’的意思.
by the time是典型的要求完成时态的词组,比如：
By then,he was 15.
那时他已经15岁了.（到那时之前.）
By the time she gets there,they will have covered everything.
她到那里之前,他们就已经掩盖了一切.

By the time用法可以和when互换么? by the time 何时和when 互换 by the time和when 能互换吗 by the time 和when...用法一样吗,意思一样吗 by the time 的意思和用法. by the time when while不同与用法 by the time 用法 in the daytime during the day 和by day 三者可以互换么 by the time 是否等于when by the time 的用法 By the time的用法 by the time 的用法 by the time的用法.