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高考詞語(yǔ)辨析:before long與long before的用法區(qū)別
1.before long不久,很快。如:
I'll be back before long.不久我就回來。
Before long he got married.不久他就結(jié)婚了。
2.long before
(1)老早,早就(單獨(dú)使用,表示比過去某時(shí)早得多的時(shí)間)。如:
She had left long before.她老早就離開了。
That had happened long before.那事老早就發(fā)生了。
注:long ago表示“很久以前”,指的是從現(xiàn)在算起的很久以前,通常與一般過去時(shí)連用:I met him long ago.我很久以前就認(rèn)識(shí)他了。
(2)在……的很久以前,在還沒有……的很久以前。如:
She had left long before his return[he returned].在他回來的很久以前她就走了。
He had worked in the factory long before he got married.在他還沒有結(jié)婚的很久以前他就在這家工廠工作了。
注:此時(shí)的主句謂語(yǔ)通常用過去完成時(shí),但有時(shí)也可用一般過去時(shí)(因?yàn)閎efore已體現(xiàn)了動(dòng)作的先后關(guān)系)。如:This happened long before you were born.這事在你還沒出生以前很久就發(fā)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.過了好久他才回來。
It won't be long before we see each other.不久我們又會(huì)見面的。
比較:
It wasn't long before he realized his mistake./Before long he realized his mistake.不久他意識(shí)到了自己的錯(cuò)誤。
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