regret it 和regret doing it有区别吗~后悔做了某事是不是用这两个都行?

关于regret的词性和用法regret可以做动词和名词一般说regret to do/regret doing我想问的是 be regret for doing sth.例如：I'm not regret for having done it. regret to do和regret doing有何区别 Regret to do和regret doing有何区别 regret to do 和热regret doing 有什么不同? Do not regret it,and so lost you will regret it regret not to do sth和regret doing是否可以替换 Falling in love with you,I do not regret it. You lost my love,You do not regret it Do not know me you will regret it Tonight if I die,I do not regret Tonight if I die,I do not regret it意思是什么? Distance expanded.I regret it. [紧急求助]regret doing sth.与regret to do sth. regret it 和regret doing it有区别吗~后悔做了某事是不是用这两个都行? 1：no soon...than和hardly...when的区别2：regret to do 和regret doing的区别 regret to do sth ,regret doing sth ,regret having done sth有什么区别? regert到底怎么用啊 regret+doing sth 和regret to do sth 感觉意思都差不多啊 regret doing和regret having done有何区别