Enallage (e-nal’-la-ge): The substitution of grammatically different but semantically equivalent constructions.
They were at the edge of success. Years and years had slid by like a twig on a river. They were the most persistent human beings the world had ever known. What was their claim to fame? What was it that they was after?
They wouldn’t say. They couldn’t say. They knowed not what they were looking for.
The Daily Trope 