go for a walk
go on a walk

If our boy goes for a walk before then, take him.

He went for a walk and saw the king's daughter.

Perhaps she would go for a walk in the night air.

Went for a walk around the school, about half past seven or so.

Take a break from whatever you're doing and go outside for a walk.

The only thing to do was to go for a walk.

After he's left I go for a walk with the children.

She left them suddenly, saying something about going for a walk.

I went for a walk down by the river today.

So I'm going for a walk and think things over.