can slump
Regular verb: slump - slumped- slumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can slump
you can slump
he can slump
we can slump
you can slump
they can slump 	I can be slumping
you can be slumping
he can be slumping
we can be slumping
you can be slumping
they can be slumping	I can have slumped
you can have slumped
he can have slumped
we can have slumped
you can have slumped
they can have slumped	I can have been slumping
you can have been slumping
he can have been slumping
we can have been slumping
you can have been slumping
they can have been slumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't slump
you can't slump
he can't slump
we can't slump
you can't slump
they can't slump 	I can't be slumping
you can't be slumping
he can't be slumping
we can't be slumping
you can't be slumping
they can't be slumping	I can't have slumped
you can't have slumped
he can't have slumped
we can't have slumped
you can't have slumped
they can't have slumped	I can't have been slumping
you can't have been slumping
he can't have been slumping
we can't have been slumping
you can't have been slumping
they can't have been slumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I slump?
can you slump?
can he slump?
can we slump?
can you slump?
can they slump? 	can I be slumping?
can you be slumping?
can he be slumping?
can we be slumping?
can you be slumping?
can they be slumping? 	can I have slumped?
can you have slumped?
can he have slumped?
can we have slumped?
can you have slumped?
can they have slumped? 	can I have been slumping?
can you have been slumping?
can he have been slumping?
can we have been slumping?
can you have been slumping?
can they have been slumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I slump?
can't you slump?
can't he slump?
can't we slump?
can't you slump?
can't they slump? 	can't I be slumping?
can't you be slumping?
can't he be slumping?
can't we be slumping?
can't you be slumping?
can't they be slumping? 	can't I have slumped?
can't you have slumped?
can't he have slumped?
can't we have slumped?
can't you have slumped?
can't they have slumped? 	can't I have been slumping?
can't you have been slumping?
can't he have been slumping?
can't we have been slumping?
can't you have been slumping?
can't they have been slumping?