remember to do 记得去做某事 (未做) remember doing 记得做过某事 (已做)
Remember to go to the post office after school. 记着放学后去趟邮局。 Don’t you remember seeing the man before? 你不记得以前见过那个人吗? 8.4 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。
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。