before long和long before的区别
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before long和long before的区别
速度.
举例说明啊~~~~~~
速度.
举例说明啊~~~~~~
这样讲可以不~
1.before long 的意思是“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有两个用法:
(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.
另外注意以下句式
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.
1.before long 的意思是“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有两个用法:
(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.
另外注意以下句式
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.
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