Present participle; Past participle - stunning - stunned Present - stun - stun - stuns - stun - stun - stun Past - stunned - stunned - stunned - stunned - stunned - stunned Future - will stun - will stun - will stun - will stun - will stun - will stun Present conditional - would stun - would stun - would stun - would stun - would stun - would stun Present Perfect - have stunned - have stunned - has stunned - have stunned - have stunned - have stunned Past Perfect - had stunned - had stunned - had stunned - had stunned - had stunned - had stunned Future Perfect - will have stunned - will have stunned - will have stunned - will have stunned - will have stunned - will have stunned Past conditional - would have stunned - would have stunned - would have stunned - would have stunned - would have stunned - would have stunned Imperative - - - stun - - - - - - - -