Present participle; Past participle - relapsing - relapsed Present - relapse - relapse - relapses - relapse - relapse - relapse Past - relapsed - relapsed - relapsed - relapsed - relapsed - relapsed Future - will relapse - will relapse - will relapse - will relapse - will relapse - will relapse Present conditional - would relapse - would relapse - would relapse - would relapse - would relapse - would relapse Present Perfect - have relapsed - have relapsed - has relapsed - have relapsed - have relapsed - have relapsed Past Perfect - had relapsed - had relapsed - had relapsed - had relapsed - had relapsed - had relapsed Future Perfect - will have relapsed - will have relapsed - will have relapsed - will have relapsed - will have relapsed - will have relapsed Past conditional - would have relapsed - would have relapsed - would have relapsed - would have relapsed - would have relapsed - would have relapsed Imperative - - - relapse - - - - - - - -