【错误表达】

She has given the papers to me for a week.

【讲解辨析】

释义：她把论文教给我一个星期了。

辨析：give是非延续性动作动词，不能与表示时间段的短语连用，for a week是表示持续有一周。

【正确表达】

It has been a week since she gave the papers to me.

【举一反三】

It has been a week since Mary gave us lessons.

玛丽给我们上课上了一周了。