Present participle; Past participle - tackling - tackled Present - tackle - tackle - tackles - tackle - tackle - tackle Past - tackled - tackled - tackled - tackled - tackled - tackled Future - will tackle - will tackle - will tackle - will tackle - will tackle - will tackle Present conditional - would tackle - would tackle - would tackle - would tackle - would tackle - would tackle Present Perfect - have tackled - have tackled - has tackled - have tackled - have tackled - have tackled Past Perfect - had tackled - had tackled - had tackled - had tackled - had tackled - had tackled Future Perfect - will have tackled - will have tackled - will have tackled - will have tackled - will have tackled - will have tackled Past conditional - would have tackled - would have tackled - would have tackled - would have tackled - would have tackled - would have tackled Imperative - - - tackle - - - - - - - -