Nor did he happen to mention it when we spoke this afternoon.

Happened to mention that his phone was out of order.

Did I happen to mention how especially pretty you look today?

Neither of us happened to mention any other people at all.

They came up to us just after dinner to make their report and happened to mention it to him.

One day he happened to mention that fact to me, and I couldn't help but feel sorry for him.

The least little thing you happened to mention, she'd jump up and do it if she could.

Have you happened to mention your thoughts to someone else?

"Did she happen to mention to you where she's going?"

"Did she happen to mention when the car accident took place?"