before和ago的时态区别
回答
爱扬教育
2022-04-06
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before泛指“从过去起的若干时间以前”，意思是 “距过去某时……以前”“与其……（毋宁）”，常和完成时连用，尤其在间接引语中。
扩展资料
How long ago did you buy it?
这东西你是多久以前买的？
The house was pulled down long ago.
那栋房子很久以前就被拆掉了。
Just a few years ago the picture was very different.
几年前的情况就大不相同。
It will be months before we get the results.
我们要等很长时间才能得到结果。
It was many years before the full story was made public.
许多年之后，事情的全貌才公之于众。
We will study the report carefully before making a decision.
我们将认真研究这份报告，然后再作决定。