Present participle; Past participle - ravening - ravened Present - raven - raven - ravens - raven - raven - raven Past - ravened - ravened - ravened - ravened - ravened - ravened Future - will raven - will raven - will raven - will raven - will raven - will raven Present conditional - would raven - would raven - would raven - would raven - would raven - would raven Present Perfect - have ravened - have ravened - has ravened - have ravened - have ravened - have ravened Past Perfect - had ravened - had ravened - had ravened - had ravened - had ravened - had ravened Future Perfect - will have ravened - will have ravened - will have ravened - will have ravened - will have ravened - will have ravened Past conditional - would have ravened - would have ravened - would have ravened - would have ravened - would have ravened - would have ravened Imperative - - - raven - - - - - - - -