Present participle; Past participle - marking - marked Present - mark - mark - marks - mark - mark - mark Past - marked - marked - marked - marked - marked - marked Future - will mark - will mark - will mark - will mark - will mark - will mark Present conditional - would mark - would mark - would mark - would mark - would mark - would mark Present Perfect - have marked - have marked - has marked - have marked - have marked - have marked Past Perfect - had marked - had marked - had marked - had marked - had marked - had marked Future Perfect - will have marked - will have marked - will have marked - will have marked - will have marked - will have marked Past conditional - would have marked - would have marked - would have marked - would have marked - would have marked - would have marked Imperative - - - mark - - - - - - - -