Present participle; Past participle - fatiguing - fatigued Present - fatigue - fatigue - fatigues - fatigue - fatigue - fatigue Past - fatigued - fatigued - fatigued - fatigued - fatigued - fatigued Future - will fatigue - will fatigue - will fatigue - will fatigue - will fatigue - will fatigue Present conditional - would fatigue - would fatigue - would fatigue - would fatigue - would fatigue - would fatigue Present Perfect - have fatigued - have fatigued - has fatigued - have fatigued - have fatigued - have fatigued Past Perfect - had fatigued - had fatigued - had fatigued - had fatigued - had fatigued - had fatigued Future Perfect - will have fatigued - will have fatigued - will have fatigued - will have fatigued - will have fatigued - will have fatigued Past conditional - would have fatigued - would have fatigued - would have fatigued - would have fatigued - would have fatigued - would have fatigued Imperative - - - fatigue - - - - - - - -