今天的第 12 讲继续给大家讲解动词+doing/to do 的用法精讲。第一、regret doing/to do 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. 我很遗憾必须这样去做，我实在没有办法。 I don’t regret telling her what I thought. 我不为告诉她我的想法而后悔。 第二、典型例题 ---You were brave enough to raise objections at the meeting. ---Well, now I regret ___ that. A. to do B. to be doing C. to have done D. having done 答案：D。regret having done sth. 对已发生的事感到 遗憾。regret to do sth. 对将要做的事感到遗憾。本题为对已说的话感到后悔，因此选 D。
