regret to do sth ,regret doing sth ,regret having done sth有什么区别?

[紧急求助]regret doing sth.与regret to do sth. regret to do sth ,regret doing sth ,regret having done sth有什么区别? Regret to do sth 与Regret doing sth有什么区别? regret not to do sth和regret doing是否可以替换 regert到底怎么用啊 regret+doing sth 和regret to do sth 感觉意思都差不多啊 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. 请用regret to do. needn't have done. remind sb of sth.各造一个句子!谢 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 sth to do 是不是只有regret not doing sth.而没有regret not to do sth.就是说.后悔没做某事就是regret not doing sth.eg.Lily regretted ___ to Mary's birthday party last Sunday.a.not to go b.not having been going c.not going d.not to be goingC Never regret to do what you 有没有regret not to do 英语翻译21416—i'm really regretted to hear that.3775想问：1—regret to do sth:翻译成后悔没做某事吗?2—本句话怎么翻译?regret：v 懊悔,惋惜,遗憾 vt 抱歉regret to do：遗憾做某事regret doing ：后悔做某事i'm regret的疑问（英语）I don't regret ________ her what I thought,even if it _______her.A.telling ...will hurtB.to tell ...will hurtC.having told ...hurtD.to have told ...hurted我选了D我记得regret to do sth.是抱歉做过某事而regret do have sth to do need sth to do