It will be before long that和It is before long that有什么区别

It will not be long before 和It will be long before有什么区别? It will be 20 minutes before it starts.翻译 It would be+时间段+before+什么时态it will be +时间段+before+一般现在？it was +时间段+before+过去完成？ 如何翻译：“ You will be finished before you know it?” It was /will be …before啥意思? It will be three years before we meet again. 用It will be …before… 造句并翻译 英语翻译还有It will be three years before he graduated. It will be two years before we meet again 翻译 It will not be long before 和It will be not long before 有什么区别?not的位置不一样 it will be…before和 it was …before的区别 It will be before long that和It is before long that有什么区别 it will not be long before we can meet again.为什么不用before long it won't be very long before .句型用法 it will be +段时间+before .句型用法 it will be before will可以是过去时态吗?would it will be will it __long before we ___ the result of the experimentwill noy be;will knowis;will knowwill not be;knowis;know 高一英语语法：It was long before 后面是过去时 It will be long高一英语语法：It was long before 后面是过去时It will be long before 后面跟现在时