regret的词组是doing 还是to to 还是to have done.

regret的词组是doing 还是to to 还是to 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. 哪些词组是to doing的结构 30个to doing的词组是to doing!不是to do或者doing!十万火急呀! regret的几个词组的意思是什么regret to do的意思 问个英语问题,regret to do 与regret doing的区别 regret的用法 regret doing sth和regret having diong sth 的区别?比如说Tom从来不后悔将儿子送到国外留学,怎么翻译?是Tom never regretted having sent his son to study abroad还是Tom never regretted sendinghis son to study abroa make的词组是make sb do sth 还是make sb to sth还是make sb doing sth hope to do的同义词组是什么是wish to do sth 还是wish doing sth 谢谢 那些词组是.+to+doing sth的,求救!快 regret to do/doingregret to do通常用于sb regret to tell/say that...regret doing放到句子中通常要变regret为过去式吗?thanks!补充一个问题pretend doing还是pretend to do谢 请问英语中关于use的词组有哪些最好加上是接DO 还是 TO DO 或者 DOING regret to do和regret doing有何区别 Regret to do和regret doing有何区别 [紧急求助]regret doing sth.与regret to do sth. regret to do 和热regret doing 有什么不同? 期待的那个词组的拼写是look forward to 还是 look forword to?并且后面是不是要跟doing?是foward 还是forward 关于一个词组的性质问题be desperate to 这个词组是褒义还是贬义的?还有如何区别这几个词组be long for sth /look forward to doing/be desperate to?