Present participle; Past participle - cramping - cramped Present - cramp - cramp - cramps - cramp - cramp - cramp Past - cramped - cramped - cramped - cramped - cramped - cramped Future - will cramp - will cramp - will cramp - will cramp - will cramp - will cramp Present conditional - would cramp - would cramp - would cramp - would cramp - would cramp - would cramp Present Perfect - have cramped - have cramped - has cramped - have cramped - have cramped - have cramped Past Perfect - had cramped - had cramped - had cramped - had cramped - had cramped - had cramped Future Perfect - will have cramped - will have cramped - will have cramped - will have cramped - will have cramped - will have cramped Past conditional - would have cramped - would have cramped - would have cramped - would have cramped - would have cramped - would have cramped Imperative - - - cramp - - - - - - - -