regret doing和regret having done有何区别

regret to do和regret doing有何区别 regret doing和regret having done有何区别 Regret to do和regret doing有何区别 regret doing sth 和 regret having done的区别 regret to do 和热regret doing 有什么不同? 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 not to do sth和regret doing是否可以替换 regret doing与regret todo用发有什么不同? regret doing与regret having done有什么区别呢? [紧急求助]regret doing sth.与regret to do sth. regret doing ,regret having done 和 regret to have done三者是否一样,都是表示对过去的推测.请有把握才回答. 1：no soon...than和hardly...when的区别2：regret to do 和regret doing的区别 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 it 和regret doing it有区别吗~后悔做了某事是不是用这两个都行? regret 的用法regret doing sth 是不是等于 regret having done sth? regret to do sth ,regret doing sth ,regret having done sth有什么区别? regret not 后一定要接doing吗? regret to do 和doing 以及not doing 有什么区别