The phrase "they were swapped" is correct and usable in written English.
It can be used to indicate that two items or entities have been exchanged or changed places.
Example: "After the mix-up, I realized that they were swapped, and I had the wrong documents."
Alternatives: "they were exchanged" or "they were interchanged."
So they were swapped for Harrington, Thomas and Mobley, and their shorter contracts.
Experiments in process, they were swapped as often as they were sold.
They were swapped in Vienna for four men accused by Russia of spying for western intelligence agencies.
He accumulated a large position in unsecured Federal-Mogul bonds before its bankruptcy and they were swapped for equity as part of its reorganization plan.
The four they were swapped with had been, although Igor Sutyagin claims to have used open sources for the information he passed to a UK-based agency suspected of being run by the CIA.
The gains aren't counted as AFFO and, because they were swapped into "like kind property," they're tax deferred.
They were swapping sports pages.
It was quite an occasion last October, then, when Patrick and Reilly announced they were swapping logos.
It was an instant message that Ms. Khan sent to Mr. Rajaratnam in 2006, indicating that they were swapping secret information about a technology company, that first tipped off investigators that Mr. Rajaratnam was part of an insider trading conspiracy.
When Bev and Warren first announced that they were swapping their Brighton townhouse for a 300-year-old farmstead in the wild west of France, I did wonder if they'd taken leave of their senses.
At the market's close they were swapping hands at $38.23, giving the company a market capitalisation of $105 billion.That is still an absolutely breathtaking valuation, propelling Facebook ahead of the likes of Amazon and other high-tech behemoths such as Dell and Hewlett-Packard (which is rumoured to be about to lay off some 30,000 staff).
