Present participle; Past participle - proving - proved Present - prove - prove - proves - prove - prove - prove Past - proved - proved - proved - proved - proved - proved Future - will prove - will prove - will prove - will prove - will prove - will prove Present conditional - would prove - would prove - would prove - would prove - would prove - would prove Present Perfect - have proved - have proved - has proved - have proved - have proved - have proved Past Perfect - had proved - had proved - had proved - had proved - had proved - had proved Future Perfect - will have proved - will have proved - will have proved - will have proved - will have proved - will have proved Past conditional - would have proved - would have proved - would have proved - would have proved - would have proved - would have proved Imperative - - - prove - - - - - - - -