Present participle; Past participle - treadling - treadled Present - treadle - treadle - treadles - treadle - treadle - treadle Past - treadled - treadled - treadled - treadled - treadled - treadled Future - will treadle - will treadle - will treadle - will treadle - will treadle - will treadle Present conditional - would treadle - would treadle - would treadle - would treadle - would treadle - would treadle Present Perfect - have treadled - have treadled - has treadled - have treadled - have treadled - have treadled Past Perfect - had treadled - had treadled - had treadled - had treadled - had treadled - had treadled Future Perfect - will have treadled - will have treadled - will have treadled - will have treadled - will have treadled - will have treadled Past conditional - would have treadled - would have treadled - would have treadled - would have treadled - would have treadled - would have treadled Imperative - - - treadle - - - - - - - -