could scrump
Regular verb: scrump - scrumped- scrumped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scrump
you could scrump
he could scrump
we could scrump
you could scrump
they could scrump 	I could be scrumping
you could be scrumping
he could be scrumping
we could be scrumping
you could be scrumping
they could be scrumping	I could have scrumped
you could have scrumped
he could have scrumped
we could have scrumped
you could have scrumped
they could have scrumped	I could have been scrumping
you could have been scrumping
he could have been scrumping
we could have been scrumping
you could have been scrumping
they could have been scrumping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not scrump
you could not scrump
he could not scrump
we could not scrump
you could not scrump
they could not scrump 	I could not be scrumping
you could not be scrumping
he could not be scrumping
we could not be scrumping
you could not be scrumping
they could not be scrumping	I could not have scrumped
you could not have scrumped
he could not have scrumped
we could not have scrumped
you could not have scrumped
they could not have scrumped	I could not have been scrumping
you could not have been scrumping
he could not have been scrumping
we could not have been scrumping
you could not have been scrumping
they could not have been scrumping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scrump?
could you scrump?
could he scrump?
could we scrump?
could you scrump?
could they scrump? 	could I be scrumping?
could you be scrumping?
could he be scrumping?
could we be scrumping?
could you be scrumping?
could they be scrumping? 	could I have scrumped?
could you have scrumped?
could he have scrumped?
could we have scrumped?
could you have scrumped?
could they have scrumped? 	could I have been scrumping?
could you have been scrumping?
could he have been scrumping?
could we have been scrumping?
could you have been scrumping?
could they have been scrumping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not scrump?
could you not scrump?
could he not scrump?
could we not scrump?
could you not scrump?
could they not scrump? 	could I not be scrumping?
could you not be scrumping?
could he not be scrumping?
could we not be scrumping?
could you not be scrumping?
could they not be scrumping? 	could I not have scrumped?
could you not have scrumped?
could he not have scrumped?
could we not have scrumped?
could you not have scrumped?
could they not have scrumped? 	could I not have been scrumping?
could you not have been scrumping?
could he not have been scrumping?
could we not have been scrumping?
could you not have been scrumping?
could they not have been scrumping?