Present participle; Past participle - degrading - degraded Present - degrade - degrade - degrades - degrade - degrade - degrade Past - degraded - degraded - degraded - degraded - degraded - degraded Future - will degrade - will degrade - will degrade - will degrade - will degrade - will degrade Present conditional - would degrade - would degrade - would degrade - would degrade - would degrade - would degrade Present Perfect - have degraded - have degraded - has degraded - have degraded - have degraded - have degraded Past Perfect - had degraded - had degraded - had degraded - had degraded - had degraded - had degraded Future Perfect - will have degraded - will have degraded - will have degraded - will have degraded - will have degraded - will have degraded Past conditional - would have degraded - would have degraded - would have degraded - would have degraded - would have degraded - would have degraded Imperative - - - degrade - - - - - - - -