He began to regret his decision to get out of town.
I was beginning to regret my decision to come with him.
Now he was really beginning to regret his decision to leave.
Do you regret the decision to leave home, my wife?
"I will not give you a reason to regret your decision."
How could she regret her decision where he was concerned?
And you'll have no reason to regret your decision, you can be certain of that.
I am sure that they will not regret their decision.
Now that it was behind him, though, he did not regret his decision.
"It seems to me that your mother should have cause to regret her decision."