do/did you ever..do you ever 和 did you ever的区别在哪里啊,

do/did you ever..do you ever 和 did you ever的区别在哪里啊, did you ever 和 do you ever 区别? do you ever practice conversation with friends?为什么是DO?而不是DID?--------did you ever practice conversation with friends? 可不可以说DId you erver do sth不可以说DId you ever do sth?我知道一般用have ever do you ever What did you do? What did you do? what did you.do what did you do ( ) did you do yesterday What did you do do you ever play tag? Do you ever dream of do you ever wonder 歌词 Have you ever、did you ever、do you ever的区别,及答句形式下学期要学!希望先生还能抽出点时间!打扰了! did you do push-ups?A:just B:still C:ever D:also要理由!Did you ____do push-ups?A:just B:still C:ever D:also You finally know the pain.Did you ever think when you do I had this much pain,You finally know the pain.Did you ever think when you do I had this much pain,的意思,麻烦具体点 when did you do和what did you do 区别