could deregulate
Regular verb: deregulate - deregulated- deregulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deregulate
you could deregulate
he could deregulate
we could deregulate
you could deregulate
they could deregulate 	I could be deregulating
you could be deregulating
he could be deregulating
we could be deregulating
you could be deregulating
they could be deregulating	I could have deregulated
you could have deregulated
he could have deregulated
we could have deregulated
you could have deregulated
they could have deregulated	I could have been deregulating
you could have been deregulating
he could have been deregulating
we could have been deregulating
you could have been deregulating
they could have been deregulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not deregulate
you could not deregulate
he could not deregulate
we could not deregulate
you could not deregulate
they could not deregulate 	I could not be deregulating
you could not be deregulating
he could not be deregulating
we could not be deregulating
you could not be deregulating
they could not be deregulating	I could not have deregulated
you could not have deregulated
he could not have deregulated
we could not have deregulated
you could not have deregulated
they could not have deregulated	I could not have been deregulating
you could not have been deregulating
he could not have been deregulating
we could not have been deregulating
you could not have been deregulating
they could not have been deregulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deregulate?
could you deregulate?
could he deregulate?
could we deregulate?
could you deregulate?
could they deregulate? 	could I be deregulating?
could you be deregulating?
could he be deregulating?
could we be deregulating?
could you be deregulating?
could they be deregulating? 	could I have deregulated?
could you have deregulated?
could he have deregulated?
could we have deregulated?
could you have deregulated?
could they have deregulated? 	could I have been deregulating?
could you have been deregulating?
could he have been deregulating?
could we have been deregulating?
could you have been deregulating?
could they have been deregulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not deregulate?
could you not deregulate?
could he not deregulate?
could we not deregulate?
could you not deregulate?
could they not deregulate? 	could I not be deregulating?
could you not be deregulating?
could he not be deregulating?
could we not be deregulating?
could you not be deregulating?
could they not be deregulating? 	could I not have deregulated?
could you not have deregulated?
could he not have deregulated?
could we not have deregulated?
could you not have deregulated?
could they not have deregulated? 	could I not have been deregulating?
could you not have been deregulating?
could he not have been deregulating?
could we not have been deregulating?
could you not have been deregulating?
could they not have been deregulating?