could regulate
Regular verb: regulate - regulated- regulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could regulate
you could regulate
he could regulate
we could regulate
you could regulate
they could regulate 	I could be regulating
you could be regulating
he could be regulating
we could be regulating
you could be regulating
they could be regulating	I could have regulated
you could have regulated
he could have regulated
we could have regulated
you could have regulated
they could have regulated	I could have been regulating
you could have been regulating
he could have been regulating
we could have been regulating
you could have been regulating
they could have been regulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not regulate
you could not regulate
he could not regulate
we could not regulate
you could not regulate
they could not regulate 	I could not be regulating
you could not be regulating
he could not be regulating
we could not be regulating
you could not be regulating
they could not be regulating	I could not have regulated
you could not have regulated
he could not have regulated
we could not have regulated
you could not have regulated
they could not have regulated	I could not have been regulating
you could not have been regulating
he could not have been regulating
we could not have been regulating
you could not have been regulating
they could not have been regulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I regulate?
could you regulate?
could he regulate?
could we regulate?
could you regulate?
could they regulate? 	could I be regulating?
could you be regulating?
could he be regulating?
could we be regulating?
could you be regulating?
could they be regulating? 	could I have regulated?
could you have regulated?
could he have regulated?
could we have regulated?
could you have regulated?
could they have regulated? 	could I have been regulating?
could you have been regulating?
could he have been regulating?
could we have been regulating?
could you have been regulating?
could they have been regulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not regulate?
could you not regulate?
could he not regulate?
could we not regulate?
could you not regulate?
could they not regulate? 	could I not be regulating?
could you not be regulating?
could he not be regulating?
could we not be regulating?
could you not be regulating?
could they not be regulating? 	could I not have regulated?
could you not have regulated?
could he not have regulated?
could we not have regulated?
could you not have regulated?
could they not have regulated? 	could I not have been regulating?
could you not have been regulating?
could he not have been regulating?
could we not have been regulating?
could you not have been regulating?
could they not have been regulating?