Present participle; Past participle - truncheoning - truncheoned Present - truncheon - truncheon - truncheons - truncheon - truncheon - truncheon Past - truncheoned - truncheoned - truncheoned - truncheoned - truncheoned - truncheoned Future - will truncheon - will truncheon - will truncheon - will truncheon - will truncheon - will truncheon Present conditional - would truncheon - would truncheon - would truncheon - would truncheon - would truncheon - would truncheon Present Perfect - have truncheoned - have truncheoned - has truncheoned - have truncheoned - have truncheoned - have truncheoned Past Perfect - had truncheoned - had truncheoned - had truncheoned - had truncheoned - had truncheoned - had truncheoned Future Perfect - will have truncheoned - will have truncheoned - will have truncheoned - will have truncheoned - will have truncheoned - will have truncheoned Past conditional - would have truncheoned - would have truncheoned - would have truncheoned - would have truncheoned - would have truncheoned - would have truncheoned Imperative - - - truncheon - - - - - - - -