could overcoach
Regular verb: overcoach - overcoached- overcoached

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overcoach
you could overcoach
she could overcoach
we could overcoach
you could overcoach
they could overcoach 	I could be overcoaching
you could be overcoaching
she could be overcoaching
we could be overcoaching
you could be overcoaching
they could be overcoaching	I could have overcoached
you could have overcoached
she could have overcoached
we could have overcoached
you could have overcoached
they could have overcoached	I could have been overcoaching
you could have been overcoaching
she could have been overcoaching
we could have been overcoaching
you could have been overcoaching
they could have been overcoaching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't overcoach
you couldn't overcoach
she couldn't overcoach
we couldn't overcoach
you couldn't overcoach
they couldn't overcoach 	I couldn't be overcoaching
you couldn't be overcoaching
she couldn't be overcoaching
we couldn't be overcoaching
you couldn't be overcoaching
they couldn't be overcoaching	I couldn't have overcoached
you couldn't have overcoached
she couldn't have overcoached
we couldn't have overcoached
you couldn't have overcoached
they couldn't have overcoached	I couldn't have been overcoaching
you couldn't have been overcoaching
she couldn't have been overcoaching
we couldn't have been overcoaching
you couldn't have been overcoaching
they couldn't have been overcoaching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overcoach?
could you overcoach?
could she overcoach?
could we overcoach?
could you overcoach?
could they overcoach? 	could I be overcoaching?
could you be overcoaching?
could she be overcoaching?
could we be overcoaching?
could you be overcoaching?
could they be overcoaching? 	could I have overcoached?
could you have overcoached?
could she have overcoached?
could we have overcoached?
could you have overcoached?
could they have overcoached? 	could I have been overcoaching?
could you have been overcoaching?
could she have been overcoaching?
could we have been overcoaching?
could you have been overcoaching?
could they have been overcoaching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overcoach?
couldn't you overcoach?
couldn't she overcoach?
couldn't we overcoach?
couldn't you overcoach?
couldn't they overcoach? 	couldn't I be overcoaching?
couldn't you be overcoaching?
couldn't she be overcoaching?
couldn't we be overcoaching?
couldn't you be overcoaching?
couldn't they be overcoaching? 	couldn't I have overcoached?
couldn't you have overcoached?
couldn't she have overcoached?
couldn't we have overcoached?
couldn't you have overcoached?
couldn't they have overcoached? 	couldn't I have been overcoaching?
couldn't you have been overcoaching?
couldn't she have been overcoaching?
couldn't we have been overcoaching?
couldn't you have been overcoaching?
couldn't they have been overcoaching?