Pluperfect continuous
hadn't I been countersink
ing?
hadn't you been countersink
ing?
hadn't he been countersink
ing?
hadn't we been countersink
ing?
hadn't you been countersink
ing?
hadn't they been countersink
ing?
Present
wouldn't I countersink?
wouldn't you countersink?
wouldn't he countersink?
wouldn't we countersink?
wouldn't you countersink?
wouldn't they countersink?