did you和 have you 的用法区别

did you understand 和 do you understand 的用法区别 did you和 have you的区别是什么? have you和do you的区别和用法 haven't you和have you?的用法的区别 were you 和did you 的用法 have you had your lunch yet 和 did you have your lunch yet的区别 did you have been to 和have you been to的区别 did you 和were you的区别 did you eat 和 have you eat 有什么区别 英语did的用法what did she borrow you和what she borrowed you?这2句有区别 what did you do 和 what you did 的区别 Did you ever...和Have you ever...有什么区别?什么时候用Did you ever...什么