I saw Tom yesterday .We hadn't seen each other since we left school.为什么不是现在完成时
问题描述：
I saw Tom yesterday .We hadn't seen each other since we left school.为什么不是现在完成时
答
我看见tom是yesterday,说这句话的时候已经见到tom了,而没见过他是在yesterday之前,所以用过去完成时