I could pirate you could pirate she could pirate we could pirate you could pirate they could pirate
V-ing form
I could be pirating you could be pirating she could be pirating we could be pirating you could be pirating they could be pirating
Perfect
I could have pirated you could have pirated she could have pirated we could have pirated you could have pirated they could have pirated
V-ing perfect
I could have been pirating you could have been pirating she could have been pirating we could have been pirating you could have been pirating they could have been pirating
Negation
Simple form
I could not pirate you could not pirate she could not pirate we could not pirate you could not pirate they could not pirate
V-ing form
I could not be pirating you could not be pirating she could not be pirating we could not be pirating you could not be pirating they could not be pirating
Perfect
I could not have pirated you could not have pirated she could not have pirated we could not have pirated you could not have pirated they could not have pirated
V-ing perfect
I could not have been pirating you could not have been pirating she could not have been pirating we could not have been pirating you could not have been pirating they could not have been pirating
Interrogative form
Simple form
could I pirate? could you pirate? could she pirate? could we pirate? could you pirate? could they pirate?
V-ing form
could I be pirating? could you be pirating? could she be pirating? could we be pirating? could you be pirating? could they be pirating?
Perfect
could I have pirated? could you have pirated? could she have pirated? could we have pirated? could you have pirated? could they have pirated?
V-ing perfect
could I have been pirating? could you have been pirating? could she have been pirating? could we have been pirating? could you have been pirating? could they have been pirating?
Interro-negative form
Simple form
could I not pirate? could you not pirate? could she not pirate? could we not pirate? could you not pirate? could they not pirate?
V-ing form
could I not be pirating? could you not be pirating? could she not be pirating? could we not be pirating? could you not be pirating? could they not be pirating?
Perfect
could I not have pirated? could you not have pirated? could she not have pirated? could we not have pirated? could you not have pirated? could they not have pirated?
V-ing perfect
could I not have been pirating? could you not have been pirating? could she not have been pirating? could we not have been pirating? could you not have been pirating? could they not have been pirating?