regret to have done 与regret doing 有什么区别.肯定有区别

regret的用法有regret to have done吗,有的话,和regret having done有什么区别 having done和to have done区别?我们老师说regret to have done,forget having done都表示完成. regret to have done 与regret doing 有什么区别.肯定有区别 now i regret having done改成to have done不行吗?为什么? 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. regret的词组是doing 还是to to 还是to have done. It is better to regret for what you have done rather than what you have not regret 后加to do 还是 to bedoing 还是have done regret to do sth ,regret doing sth ,regret having done sth有什么区别? 请用regret to do. needn't have done. remind sb of sth.各造一个句子!谢 _You were foolish not to follow your parents' advice_Yes.I regret _____ that1.to do 2.to be doing3.to have done4.having done have done to have been done 和 to be done 英语翻译I don't regret what I have selected and what I have done. 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. should ought to have done were to have done 造句, be believed to have done