could scalp
Regular verb: scalp - scalped- scalped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scalp
you could scalp
he could scalp
we could scalp
you could scalp
they could scalp 	I could be scalping
you could be scalping
he could be scalping
we could be scalping
you could be scalping
they could be scalping	I could have scalped
you could have scalped
he could have scalped
we could have scalped
you could have scalped
they could have scalped	I could have been scalping
you could have been scalping
he could have been scalping
we could have been scalping
you could have been scalping
they could have been scalping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not scalp
you could not scalp
he could not scalp
we could not scalp
you could not scalp
they could not scalp 	I could not be scalping
you could not be scalping
he could not be scalping
we could not be scalping
you could not be scalping
they could not be scalping	I could not have scalped
you could not have scalped
he could not have scalped
we could not have scalped
you could not have scalped
they could not have scalped	I could not have been scalping
you could not have been scalping
he could not have been scalping
we could not have been scalping
you could not have been scalping
they could not have been scalping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scalp?
could you scalp?
could he scalp?
could we scalp?
could you scalp?
could they scalp? 	could I be scalping?
could you be scalping?
could he be scalping?
could we be scalping?
could you be scalping?
could they be scalping? 	could I have scalped?
could you have scalped?
could he have scalped?
could we have scalped?
could you have scalped?
could they have scalped? 	could I have been scalping?
could you have been scalping?
could he have been scalping?
could we have been scalping?
could you have been scalping?
could they have been scalping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not scalp?
could you not scalp?
could he not scalp?
could we not scalp?
could you not scalp?
could they not scalp? 	could I not be scalping?
could you not be scalping?
could he not be scalping?
could we not be scalping?
could you not be scalping?
could they not be scalping? 	could I not have scalped?
could you not have scalped?
could he not have scalped?
could we not have scalped?
could you not have scalped?
could they not have scalped? 	could I not have been scalping?
could you not have been scalping?
could he not have been scalping?
could we not have been scalping?
could you not have been scalping?
could they not have been scalping?