By the time用法可以和when互换么?两个都能表示“当.”么?

By the time用法可以和when互换么?两个都能表示“当.”么? 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 何时和when 互换 by the time 是否等于when by the time 的用法when与 by the time 是分开的啊 不要看错了 by the time 的用法 for the first time,first time,the first time和by the first time的具体用法和怎样区别? by the time when while不同与用法仔细,有例句 by the time 的具体用法! 英语问题：在特定的情景中,为什么by which time可以改成by the time when he came back?先行词是time,可是time 无法和引导词互换 啊 by which time during which time since when from where的详细用法、以及和其他相似的词组区分 when与by the time的区别 What's the difference between what timeandwhen?what time 和 when 在用法上有什么不同? the phone was ringing but by the time she got indoors,it had stopped.by the time 可以用when 替换吗 every time是不是和when用法一样 后面可以用非谓语的?象这句话 every time passing the gate,the girl had to defend herself against the guard dog.有错伐 when和by the time用在过去完成时有什么区别? by the time和when 能互换吗不是都有 当那时 的意思吗 by the time 和when的区别(主句从句分别用什么时态)