从前的英文短语怎么写

　　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。

　　I'd like a second opinion before I make a decision.

　　我在作决定之前，想听听别人的意见。

　　I didn't have time to change clothes before the party.

　　我没时间在聚会前更换衣服。