the time是不是相当when阿

the time是不是相当when阿 BY THE TIME相当WHEN the first time 和 for the first time 有什么区别?是不是有个相当于when的' when is the right time Only when with the time at the time when/that 是what is the time还是when is the time? when was the last time句型 When is the best time to by the time 何时和when 互换 when meeting someone for the first time, when was the last time you （ ）