Bob traveled a lot for work, and he made the most of it. He loved seafood and always looked for good restaurants wherever he went. One month he went to Boston. He'd heard about one particular kind of fish they sometimes made there that he had never tasted. He was looking forward to his trip.
His plane was delayed so long that he didn't get in the cab to his hotel until near midnight. He was hungry, though, and had been looking forward to this. Boston was a big city; surely there would be at least one decent seafood place open at midnight.
He said to the cab driver, "Do you know of any place open right now where I could get scrod?"
The cabbie chuckled and said, "Sure, buddy, but I never heard anyone say it in the past subjunctive before."