Allen was mounted on the major's charger, and was ordered to swim the river.
He was not fair to Vavasor; he never asked if he could swim.
But indeed Vavasor could swim, well enough, only he did not see the necessity for it.
In his hurry, Campbell missed his footing, and fell overboard:—he could not swim.
I could not swim a stroke; and I sang out, lustily, for help.