He may come in this once, she said to herself.
"And you only come here once a year at best."
"He comes up with words every once in a while that sometimes we have to check."
I come here for a support group once a week down a floor.
A guy came around once, said he was her husband.
They come once in a while, but I don't really have anything real strong.
More often work comes only once or twice a week.
She had a son as came with her once or twice.
But he used to come once every month or two.
I came through the back door once, and it took me two hours to get to the front.