it was before是什么结构？

Question

如题所述

Answer 1

it was+段时间+before结构的意思是：距离(发生某事)有多长时间，但表达的是过去的事情.
其中before是从属连词，表示“……才；……就”，引导时间状语从句。

1. It was 10 years before I left China.

我离开中国已经有10年了。

2. It was just 3 days before the book was published.

三天后那本书就出版了。

3. It was three months before he finished the work.

他花了三个月才完成这项工作.