He was once asked by an American general how things were going.

And they never once asked why we had to play such a game.

Do you know Michael never once asked me for money.

Don't you know how hard it is to ask once?

He was once asked why anyone would attempt such a project?

A student once asked him why he was still a Catholic.

I once asked one of the political heads about him.

I once asked him why he became a police officer in this world.

Upon another occasion I once asked you to state your terms.

"She asked once or twice if I wanted to go back."