at that moment 用于什么时态?

题目

at that moment 用于什么时态?
一般过去时还是过去进行时?
what were you doing at thet moment?
He got home at that moment.

答案

过去进行时
类似,at the moment当前,常用现在进行时.
what were you doing at that moment?
He got home at that moment?_get是点动词,本身就是一瞬间,怎么可能用进行?
其实,过去时本身,got,也有动作在当时发生的意思．