题目内容：

I regretted having been so rude to him,如果把having改为have会有什么意思变化?

优质解答

如果把having改得话,只能改成to have .意思变为我很遗憾,我不得不对他粗鲁～regret to do 对要做的事遗憾.(未做) regret doing 对做过的事遗憾、后悔.(已做) I regret to have to do this,but I have no choice.我很...