Present participle; Past participle - riddling - riddled Present - riddle - riddle - riddles - riddle - riddle - riddle Past - riddled - riddled - riddled - riddled - riddled - riddled Future - will riddle - will riddle - will riddle - will riddle - will riddle - will riddle Present conditional - would riddle - would riddle - would riddle - would riddle - would riddle - would riddle Present Perfect - have riddled - have riddled - has riddled - have riddled - have riddled - have riddled Past Perfect - had riddled - had riddled - had riddled - had riddled - had riddled - had riddled Future Perfect - will have riddled - will have riddled - will have riddled - will have riddled - will have riddled - will have riddled Past conditional - would have riddled - would have riddled - would have riddled - would have riddled - would have riddled - would have riddled Imperative - - - riddle - - - - - - - -