before long 和long befor的区别有没有时态限制呢？

long before和before long before 和before long before和before before long 和 long before 怎么分辨? before long 和long before的区别 before long和long before区别 before long和 long before的意思. long before和before long解释 举例 before long 和long before怎么区别? It will not be long before 和It will be long before有什么区别? It will be before long that和It is before long that有什么区别 not long before 和 before long有什么区别呢?It won't be long before we meet again.We will meet again befor long.这两句有区别吗？ long before和long since 区别 long before 和long ago的区别 long before和long long ago有什么区别 long before和long long ago的区别是什么? 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 before long和long before的区别速度.举例说明啊~~~~~~