He kept apologizing, but it didn't seem that anyone noticed.

But he couldn't help himself and kept apologizing anyway.

He kept apologizing and said that it was just too good to pass up.

Egal kept apologizing to the coach for the field goal he missed.

She kept apologizing for having to give me up.

He was anxious to get going and kept apologizing for coming so fast.

I've tried to explain this to him, but he just keeps apologizing for things.

"He just kept apologizing for being afraid to act sooner."

"And they kept apologizing for not having called sooner."

"And the last time I saw her she kept apologizing to me for getting me into so much trouble."