全国大众英语测验语法——regretdoing/todo
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.
我很遗憾必需如许往做，我实在没有办法。
I don't regret telling her what I thought.
我不为通知她我的设法而后悔。
典范例题
---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
谜底：D。regret having done sth.对已发作的事感到遗憾。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。

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