could spin
Irregular verb: spin - spun- spun

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spin
you could spin
he could spin
we could spin
you could spin
they could spin 	I could be spinning
you could be spinning
he could be spinning
we could be spinning
you could be spinning
they could be spinning	I could have spun
you could have spun
he could have spun
we could have spun
you could have spun
they could have spun	I could have been spinning
you could have been spinning
he could have been spinning
we could have been spinning
you could have been spinning
they could have been spinning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not spin
you could not spin
he could not spin
we could not spin
you could not spin
they could not spin 	I could not be spinning
you could not be spinning
he could not be spinning
we could not be spinning
you could not be spinning
they could not be spinning	I could not have spun
you could not have spun
he could not have spun
we could not have spun
you could not have spun
they could not have spun	I could not have been spinning
you could not have been spinning
he could not have been spinning
we could not have been spinning
you could not have been spinning
they could not have been spinning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spin?
could you spin?
could he spin?
could we spin?
could you spin?
could they spin? 	could I be spinning?
could you be spinning?
could he be spinning?
could we be spinning?
could you be spinning?
could they be spinning? 	could I have spun?
could you have spun?
could he have spun?
could we have spun?
could you have spun?
could they have spun? 	could I have been spinning?
could you have been spinning?
could he have been spinning?
could we have been spinning?
could you have been spinning?
could they have been spinning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not spin?
could you not spin?
could he not spin?
could we not spin?
could you not spin?
could they not spin? 	could I not be spinning?
could you not be spinning?
could he not be spinning?
could we not be spinning?
could you not be spinning?
could they not be spinning? 	could I not have spun?
could you not have spun?
could he not have spun?
could we not have spun?
could you not have spun?
could they not have spun? 	could I not have been spinning?
could you not have been spinning?
could he not have been spinning?
could we not have been spinning?
could you not have been spinning?
could they not have been spinning?