I think we're done here, but I wonder if you could spare a few more minutes.

We were wondering if you could spare a few minutes of your time?

"I thought perhaps you could spare a few minutes before you left for your office."

I'm ready to lock up, but I can spare a few minutes if you wish to look around.

I wonder if you could spare a few minutes of your time.

I'm due on the bridge soon, but I can spare a few minutes.

He said, "Could you spare a few minutes for a stranger, sir?"

Can you spare a few minutes offering feedback on our website?

"You can spare a few minutes, I'm sure," she said with a glittering look at me.

"Oh, just a matter of curiosity, if you can spare a few minutes."