What did you say?What have you said?

问题描述:

What did you say?What have you said?
What did you say?倒是经常听说,但是我很少听说:What have you said?
语法要是没错的话为什么?

因为”你说了些什么“,这个动作已经过去了的,就是一个单纯的过去式
而have said是一个完成时态,意思就是从过去一直说到现在,这个动作不能延续的,所以一般认为不对不太用