Present participle; Past participle - gladdening - gladdened Present - gladden - gladden - gladdens - gladden - gladden - gladden Past - gladdened - gladdened - gladdened - gladdened - gladdened - gladdened Future - will gladden - will gladden - will gladden - will gladden - will gladden - will gladden Present conditional - would gladden - would gladden - would gladden - would gladden - would gladden - would gladden Present Perfect - have gladdened - have gladdened - has gladdened - have gladdened - have gladdened - have gladdened Past Perfect - had gladdened - had gladdened - had gladdened - had gladdened - had gladdened - had gladdened Future Perfect - will have gladdened - will have gladdened - will have gladdened - will have gladdened - will have gladdened - will have gladdened Past conditional - would have gladdened - would have gladdened - would have gladdened - would have gladdened - would have gladdened - would have gladdened Imperative - - - gladden - - - - - - - -