I can con you can con he can con we can con you can con they can con
V-ing form
I can be conning you can be conning he can be conning we can be conning you can be conning they can be conning
Perfect
I can have conned you can have conned he can have conned we can have conned you can have conned they can have conned
V-ing perfect
I can have been conning you can have been conning he can have been conning we can have been conning you can have been conning they can have been conning
Negation
Simple form
I cannot con you cannot con he cannot con we cannot con you cannot con they cannot con
V-ing form
I cannot be conning you cannot be conning he cannot be conning we cannot be conning you cannot be conning they cannot be conning
Perfect
I cannot have conned you cannot have conned he cannot have conned we cannot have conned you cannot have conned they cannot have conned
V-ing perfect
I cannot have been conning you cannot have been conning he cannot have been conning we cannot have been conning you cannot have been conning they cannot have been conning
Interrogative form
Simple form
can I con? can you con? can he con? can we con? can you con? can they con?
V-ing form
can I be conning? can you be conning? can he be conning? can we be conning? can you be conning? can they be conning?
Perfect
can I have conned? can you have conned? can he have conned? can we have conned? can you have conned? can they have conned?
V-ing perfect
can I have been conning? can you have been conning? can he have been conning? can we have been conning? can you have been conning? can they have been conning?
Interro-negative form
Simple form
can I not con? can you not con? can he not con? can we not con? can you not con? can they not con?
V-ing form
can I not be conning? can you not be conning? can he not be conning? can we not be conning? can you not be conning? can they not be conning?
Perfect
can I not have conned? can you not have conned? can he not have conned? can we not have conned? can you not have conned? can they not have conned?
V-ing perfect
can I not have been conning? can you not have been conning? can he not have been conning? can we not have been conning? can you not have been conning? can they not have been conning?