owe someone a favor

Some of them feel that they owe me a favor.

They owed her a favor, after all she'd done for them.

Some friends of mine who owe me a favor or two.

I'm just a friend of yours you owe a favor to.

And as I remembered it, the guy owed me a favor.

A man of the city who had acknowledged the fact that he owed me a favor!

Having a senior senator that owes you a favor is in your best interests.

"He asked to see you, and I owed him a favor."

"Just remember that you owe me a favor," she told him.

I owed a favor to this old student of mine at the Academy.