She and her family hid away for nearly five years before they were discovered句中“For”的用法

问题描述:

She and her family hid away for nearly five years before they were discovered句中“For”的用法

for+时间段,表示一段时间,在完成时和一般过去式中可以用。

for+时间,表示一段时间,在完成时、一般过去式中都可以用.
如:I have been in Shanghai for 20 years. 意思是我在上海呆了有20年了.