Present participle; Past participle - reckoning - reckoned Present - reckon - reckon - reckons - reckon - reckon - reckon Past - reckoned - reckoned - reckoned - reckoned - reckoned - reckoned Future - will reckon - will reckon - will reckon - will reckon - will reckon - will reckon Present conditional - would reckon - would reckon - would reckon - would reckon - would reckon - would reckon Present Perfect - have reckoned - have reckoned - has reckoned - have reckoned - have reckoned - have reckoned Past Perfect - had reckoned - had reckoned - had reckoned - had reckoned - had reckoned - had reckoned Future Perfect - will have reckoned - will have reckoned - will have reckoned - will have reckoned - will have reckoned - will have reckoned Past conditional - would have reckoned - would have reckoned - would have reckoned - would have reckoned - would have reckoned - would have reckoned Imperative - - - reckon - - - - - - - -