could overcolor
Regular verb: overcolor - overcolored- overcolored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overcolor
you could overcolor
she could overcolor
we could overcolor
you could overcolor
they could overcolor 	I could be overcoloring
you could be overcoloring
she could be overcoloring
we could be overcoloring
you could be overcoloring
they could be overcoloring	I could have overcolored
you could have overcolored
she 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
she 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 couldn't overcolor
you couldn't overcolor
she couldn't overcolor
we couldn't overcolor
you couldn't overcolor
they couldn't overcolor 	I couldn't be overcoloring
you couldn't be overcoloring
she couldn't be overcoloring
we couldn't be overcoloring
you couldn't be overcoloring
they couldn't be overcoloring	I couldn't have overcolored
you couldn't have overcolored
she couldn't have overcolored
we couldn't have overcolored
you couldn't have overcolored
they couldn't have overcolored	I couldn't have been overcoloring
you couldn't have been overcoloring
she couldn't have been overcoloring
we couldn't have been overcoloring
you couldn't have been overcoloring
they couldn't have been overcoloring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overcolor?
could you overcolor?
could she overcolor?
could we overcolor?
could you overcolor?
could they overcolor? 	could I be overcoloring?
could you be overcoloring?
could she be overcoloring?
could we be overcoloring?
could you be overcoloring?
could they be overcoloring? 	could I have overcolored?
could you have overcolored?
could she 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 she 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 	
couldn't I overcolor?
couldn't you overcolor?
couldn't she overcolor?
couldn't we overcolor?
couldn't you overcolor?
couldn't they overcolor? 	couldn't I be overcoloring?
couldn't you be overcoloring?
couldn't she be overcoloring?
couldn't we be overcoloring?
couldn't you be overcoloring?
couldn't they be overcoloring? 	couldn't I have overcolored?
couldn't you have overcolored?
couldn't she have overcolored?
couldn't we have overcolored?
couldn't you have overcolored?
couldn't they have overcolored? 	couldn't I have been overcoloring?
couldn't you have been overcoloring?
couldn't she have been overcoloring?
couldn't we have been overcoloring?
couldn't you have been overcoloring?
couldn't they have been overcoloring?