English verb conjugation
CAN POLICE

Regular verb: police - policed - policed

Affirmation

Simple form	V-ing form
I can police you can police he can police we can police you can police they can police	I can be policing you can be policing he can be policing we can be policing you can be policing they can be policing
Perfect	V-ing perfect
I can have policed you can have policed he can have policed we can have policed you can have policed they can have policed	I can have been policing you can have been policing he can have been policing we can have been policing you can have been policing they can have been policing

Negation

Simple form	V-ing form
I can't police you can't police he can't police we can't police you can't police they can't police	I can't be policing you can't be policing he can't be policing we can't be policing you can't be policing they can't be policing
Perfect	V-ing perfect
I can't have policed you can't have policed he can't have policed we can't have policed you can't have policed they can't have policed	I can't have been policing you can't have been policing he can't have been policing we can't have been policing you can't have been policing they can't have been policing

Interrogative form

Simple form	V-ing form
can I police? can you police? can he police? can we police? can you police? can they police?	can I be policing? can you be policing? can he be policing? can we be policing? can you be policing? can they be policing?
Perfect	V-ing perfect
can I have policed? can you have policed? can he have policed? can we have policed? can you have policed? can they have policed?	can I have been policing? can you have been policing? can he have been policing? can we have been policing? can you have been policing? can they have been policing?

Interro-negative form

Simple form	V-ing form
can't I police? can't you police? can't he police? can't we police? can't you police? can't they police?	can't I be policing? can't you be policing? can't he be policing? can't we be policing? can't you be policing? can't they be policing?
Perfect	V-ing perfect
can't I have policed? can't you have policed? can't he have policed? can't we have policed? can't you have policed? can't they have policed?	can't I have been policing? can't you have been policing? can't he have been policing? can't we have been policing? can't you have been policing? can't they have been policing?