Present participle; Past participle - slumping - slumped Present - slump - slump - slumps - slump - slump - slump Past - slumped - slumped - slumped - slumped - slumped - slumped Future - will slump - will slump - will slump - will slump - will slump - will slump Present conditional - would slump - would slump - would slump - would slump - would slump - would slump Present Perfect - have slumped - have slumped - has slumped - have slumped - have slumped - have slumped Past Perfect - had slumped - had slumped - had slumped - had slumped - had slumped - had slumped Future Perfect - will have slumped - will have slumped - will have slumped - will have slumped - will have slumped - will have slumped Past conditional - would have slumped - would have slumped - would have slumped - would have slumped - would have slumped - would have slumped Imperative - - - slump - - - - - - - -