Present participle; Past participle - saddening - saddened Present - sadden - sadden - saddens - sadden - sadden - sadden Past - saddened - saddened - saddened - saddened - saddened - saddened Future - will sadden - will sadden - will sadden - will sadden - will sadden - will sadden Present conditional - would sadden - would sadden - would sadden - would sadden - would sadden - would sadden Present Perfect - have saddened - have saddened - has saddened - have saddened - have saddened - have saddened Past Perfect - had saddened - had saddened - had saddened - had saddened - had saddened - had saddened Future Perfect - will have saddened - will have saddened - will have saddened - will have saddened - will have saddened - will have saddened Past conditional - would have saddened - would have saddened - would have saddened - would have saddened - would have saddened - would have saddened Imperative - - - sadden - - - - - - - -