Present participle; Past participle - ossifying - ossified Present - ossify - ossify - ossifies - ossify - ossify - ossify Past - ossified - ossified - ossified - ossified - ossified - ossified Future - will ossify - will ossify - will ossify - will ossify - will ossify - will ossify Present conditional - would ossify - would ossify - would ossify - would ossify - would ossify - would ossify Present Perfect - have ossified - have ossified - has ossified - have ossified - have ossified - have ossified Past Perfect - had ossified - had ossified - had ossified - had ossified - had ossified - had ossified Future Perfect - will have ossified - will have ossified - will have ossified - will have ossified - will have ossified - will have ossified Past conditional - would have ossified - would have ossified - would have ossified - would have ossified - would have ossified - would have ossified Imperative - - - ossify - - - - - - - -