Present participle; Past participle - fortifying - fortified Present - fortify - fortify - fortifies - fortify - fortify - fortify Past - fortified - fortified - fortified - fortified - fortified - fortified Future - will fortify - will fortify - will fortify - will fortify - will fortify - will fortify Present conditional - would fortify - would fortify - would fortify - would fortify - would fortify - would fortify Present Perfect - have fortified - have fortified - has fortified - have fortified - have fortified - have fortified Past Perfect - had fortified - had fortified - had fortified - had fortified - had fortified - had fortified Future Perfect - will have fortified - will have fortified - will have fortified - will have fortified - will have fortified - will have fortified Past conditional - would have fortified - would have fortified - would have fortified - would have fortified - would have fortified - would have fortified Imperative - - - fortify - - - - - - - -