could police
Regular verb: police - policed- policed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could police
you could police
she could police
we could police
you could police
they could police 	I could be policing
you could be policing
she could be policing
we could be policing
you could be policing
they could be policing	I could have policed
you could have policed
she could have policed
we could have policed
you could have policed
they could have policed	I could have been policing
you could have been policing
she could have been policing
we could have been policing
you could have been policing
they could have been policing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not police
you could not police
she could not police
we could not police
you could not police
they could not police 	I could not be policing
you could not be policing
she could not be policing
we could not be policing
you could not be policing
they could not be policing	I could not have policed
you could not have policed
she could not have policed
we could not have policed
you could not have policed
they could not have policed	I could not have been policing
you could not have been policing
she could not have been policing
we could not have been policing
you could not have been policing
they could not have been policing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I police?
could you police?
could she police?
could we police?
could you police?
could they police? 	could I be policing?
could you be policing?
could she be policing?
could we be policing?
could you be policing?
could they be policing? 	could I have policed?
could you have policed?
could she have policed?
could we have policed?
could you have policed?
could they have policed? 	could I have been policing?
could you have been policing?
could she have been policing?
could we have been policing?
could you have been policing?
could they have been policing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not police?
could you not police?
could she not police?
could we not police?
could you not police?
could they not police? 	could I not be policing?
could you not be policing?
could she not be policing?
could we not be policing?
could you not be policing?
could they not be policing? 	could I not have policed?
could you not have policed?
could she not have policed?
could we not have policed?
could you not have policed?
could they not have policed? 	could I not have been policing?
could you not have been policing?
could she not have been policing?
could we not have been policing?
could you not have been policing?
could they not have been policing?