请问before long and long before 的区别是什么

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请问before long and long before 的区别是什么
请问before long and long before 的区别是什么

请问before long and long before 的区别是什么
1. before long 不久,很快.如：
I'll be back before long. 不久我就回来.
Before long he got married. 不久他就结婚了.

2. long before
(1) 老早,早就(单独使用,表示比过去某时早得多的时间).如：
She had left long before. 她老早就离开了.
That had happened long before. 那事老早就发生了.

注：long ago 表示“很久以前”,指的是从现在算起的很久以前,通常与一般过去时连用：I met him long ago. 我很久以前就认识他了.

(2) 在……的很久以前,在还没有……的很久以前.如：
She had left long before his return [he returned]. 在他回来的很久以前她就走了.
He had worked in the factory long before he got married. 在他还没有结婚的很久以前他就在这家工厂工作了.

注：此时的主句谓语通常用过去完成时,但有时也可用一般过去时(因为 before 已体现了动作的先后关系).如：This happened long before you were born. 这事在你还没出生以前很久就发生了.

long before的其他用法：It is [was, will be] long before… 在……前需要很久.如：
It was long before he came back. 过了好久他才回来.
It won't be long before we see each other. 不久我们又会见面的.
比较：
It wasn't long before he realized his mistake. / Before long he realized his mistake. 不久他意识到了自己的错误.

不久以后。很久以前

before long 不久以后 long before 很久以前

请问before long and long before 的区别是什么 long ago and long before 的区别请详细讲解 ( )31.He said he had been to Hong Kong ____ and he would go there _____ once again.A.long before,before long B.before long,long beforeC.long ago,before long D.long before,long before He said that he was going to visit China before long and he had the idea long before.这里long before 与before long long before和before long before 和before long before和before 请问lo que 请问before long与since then的区别 long before,before long,soon before,before soon的区别 before long 和 long before 怎么分辨? before long 和long before的区别 before long和long before区别 long before ,before long的区别 before long 与 long before的区别 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?