could overcolor
Regular verb: overcolor - overcolored- overcolored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overcolor
you could overcolor
he could overcolor
we could overcolor
you could overcolor
they could overcolor 	I could be overcoloring
you could be overcoloring
he could be overcoloring
we could be overcoloring
you could be overcoloring
they could be overcoloring	I could have overcolored
you could have overcolored
he could have overcolored
we could have overcolored
you could have overcolored
they could have overcolored	I could have been overcoloring
you could have been overcoloring
he could have been overcoloring
we could have been overcoloring
you could have been overcoloring
they could have been overcoloring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not overcolor
you could not overcolor
he could not overcolor
we could not overcolor
you could not overcolor
they could not overcolor 	I could not be overcoloring
you could not be overcoloring
he could not be overcoloring
we could not be overcoloring
you could not be overcoloring
they could not be overcoloring	I could not have overcolored
you could not have overcolored
he could not have overcolored
we could not have overcolored
you could not have overcolored
they could not have overcolored	I could not have been overcoloring
you could not have been overcoloring
he could not have been overcoloring
we could not have been overcoloring
you could not have been overcoloring
they could not have been overcoloring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overcolor?
could you overcolor?
could he overcolor?
could we overcolor?
could you overcolor?
could they overcolor? 	could I be overcoloring?
could you be overcoloring?
could he be overcoloring?
could we be overcoloring?
could you be overcoloring?
could they be overcoloring? 	could I have overcolored?
could you have overcolored?
could he have overcolored?
could we have overcolored?
could you have overcolored?
could they have overcolored? 	could I have been overcoloring?
could you have been overcoloring?
could he have been overcoloring?
could we have been overcoloring?
could you have been overcoloring?
could they have been overcoloring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not overcolor?
could you not overcolor?
could he not overcolor?
could we not overcolor?
could you not overcolor?
could they not overcolor? 	could I not be overcoloring?
could you not be overcoloring?
could he not be overcoloring?
could we not be overcoloring?
could you not be overcoloring?
could they not be overcoloring? 	could I not have overcolored?
could you not have overcolored?
could he not have overcolored?
could we not have overcolored?
could you not have overcolored?
could they not have overcolored? 	could I not have been overcoloring?
could you not have been overcoloring?
could he not have been overcoloring?
could we not have been overcoloring?
could you not have been overcoloring?
could they not have been overcoloring?