The phrase "had a swim" is a correct phrase in written English.
You can use it to describe an activity someone has participated in recently. For example, "After lunch, I had a swim in the pool."
They had just had a swim lesson, they said.
"I couldn't do that if I had a swim team.
Finally, I had a swim at a tiny, empty beach, which lay at the very tip of the peninsula.
If one Quinn had a swim meet, the thirteen other Quinns would be there in the stands, cheering the family cheer.
I think he'd had a swim and a sauna as well – things that you were not supposed to be doing, but that was Paul.
Ben D. Hill, a real estate developer in Grand Junction, Colo., had a swim-in-place lap pool installed in his home last year.
As recently as last year, the Americans Josh Schneider and Cullen Jones had a swim-off to determine which of them would be part of the United States team that competed at the world championships.
Several weeks after the publication of "On the Origin of Species" and amid a torrent of criticism, Darwin added a mischievous postscript to a letter to his friend, the geologist Charles Lyell: "Our ancestor was an animal which breathed water, had a swim-bladder, a great swimming tail, an imperfect skull & undoubtedly was an hermaphrodite!
It had a swimming pool, just like a holiday camp.
The family house had a swimming pool, she said.
