Maybe those who sent their regrets will make it clear.

"Perhaps it's not too late to send our regrets after all."

Go ahead and send your regrets, but I'll be working on the problem.

"Please send my regrets, but I will not be going down to dine tonight."

Of these nearly two hundred accepted, while such as could not come sent pathetic regrets.

"I can still send my regrets," Alan stated as he pulled the car up in front of his house.

They sent their regrets, saying they were too busy with the affairs of the conference.

"Send my regrets to her family, and remind me to bring a wreath to the funeral."

The president wassupposed to be attending the pope's high mass, but he sent his regrets.

He sends his regrets when he is invited to parties.