Did you ever...和Have you ever...有什么区别?什么时候用Did you ever...什么

Did you ever...和Have you ever...有什么区别?什么时候用Did you ever...什么 have you ever 和 did you ever have you ever 和 do you ever 有什么区别? did you ever 和have you ever哪个对 did you ever 和 do you ever 区别? Have you ever、did you ever、do you ever的区别,及答句形式 do/did you ever.. have you ever been to China和have you ever been China有什么区别? “Have you ever been to America ”和“Did you ever go to America did you ever see snow? have you ever ...接什么 would you ever和have you ever的区别是什么?