could prosecute
Regular verb: prosecute - prosecuted- prosecuted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could prosecute
you could prosecute
she could prosecute
we could prosecute
you could prosecute
they could prosecute 	I could be prosecuting
you could be prosecuting
she could be prosecuting
we could be prosecuting
you could be prosecuting
they could be prosecuting	I could have prosecuted
you could have prosecuted
she could have prosecuted
we could have prosecuted
you could have prosecuted
they could have prosecuted	I could have been prosecuting
you could have been prosecuting
she could have been prosecuting
we could have been prosecuting
you could have been prosecuting
they could have been prosecuting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not prosecute
you could not prosecute
she could not prosecute
we could not prosecute
you could not prosecute
they could not prosecute 	I could not be prosecuting
you could not be prosecuting
she could not be prosecuting
we could not be prosecuting
you could not be prosecuting
they could not be prosecuting	I could not have prosecuted
you could not have prosecuted
she could not have prosecuted
we could not have prosecuted
you could not have prosecuted
they could not have prosecuted	I could not have been prosecuting
you could not have been prosecuting
she could not have been prosecuting
we could not have been prosecuting
you could not have been prosecuting
they could not have been prosecuting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I prosecute?
could you prosecute?
could she prosecute?
could we prosecute?
could you prosecute?
could they prosecute? 	could I be prosecuting?
could you be prosecuting?
could she be prosecuting?
could we be prosecuting?
could you be prosecuting?
could they be prosecuting? 	could I have prosecuted?
could you have prosecuted?
could she have prosecuted?
could we have prosecuted?
could you have prosecuted?
could they have prosecuted? 	could I have been prosecuting?
could you have been prosecuting?
could she have been prosecuting?
could we have been prosecuting?
could you have been prosecuting?
could they have been prosecuting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not prosecute?
could you not prosecute?
could she not prosecute?
could we not prosecute?
could you not prosecute?
could they not prosecute? 	could I not be prosecuting?
could you not be prosecuting?
could she not be prosecuting?
could we not be prosecuting?
could you not be prosecuting?
could they not be prosecuting? 	could I not have prosecuted?
could you not have prosecuted?
could she not have prosecuted?
could we not have prosecuted?
could you not have prosecuted?
could they not have prosecuted? 	could I not have been prosecuting?
could you not have been prosecuting?
could she not have been prosecuting?
could we not have been prosecuting?
could you not have been prosecuting?
could they not have been prosecuting?