can cramp
Regular verb: cramp - cramped- cramped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cramp
you can cramp
he can cramp
we can cramp
you can cramp
they can cramp 	I can be cramping
you can be cramping
he can be cramping
we can be cramping
you can be cramping
they can be cramping	I can have cramped
you can have cramped
he can have cramped
we can have cramped
you can have cramped
they can have cramped	I can have been cramping
you can have been cramping
he can have been cramping
we can have been cramping
you can have been cramping
they can have been cramping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cramp
you can't cramp
he can't cramp
we can't cramp
you can't cramp
they can't cramp 	I can't be cramping
you can't be cramping
he can't be cramping
we can't be cramping
you can't be cramping
they can't be cramping	I can't have cramped
you can't have cramped
he can't have cramped
we can't have cramped
you can't have cramped
they can't have cramped	I can't have been cramping
you can't have been cramping
he can't have been cramping
we can't have been cramping
you can't have been cramping
they can't have been cramping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cramp?
can you cramp?
can he cramp?
can we cramp?
can you cramp?
can they cramp? 	can I be cramping?
can you be cramping?
can he be cramping?
can we be cramping?
can you be cramping?
can they be cramping? 	can I have cramped?
can you have cramped?
can he have cramped?
can we have cramped?
can you have cramped?
can they have cramped? 	can I have been cramping?
can you have been cramping?
can he have been cramping?
can we have been cramping?
can you have been cramping?
can they have been cramping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cramp?
can't you cramp?
can't he cramp?
can't we cramp?
can't you cramp?
can't they cramp? 	can't I be cramping?
can't you be cramping?
can't he be cramping?
can't we be cramping?
can't you be cramping?
can't they be cramping? 	can't I have cramped?
can't you have cramped?
can't he have cramped?
can't we have cramped?
can't you have cramped?
can't they have cramped? 	can't I have been cramping?
can't you have been cramping?
can't he have been cramping?
can't we have been cramping?
can't you have been cramping?
can't they have been cramping?