I can commute you can commute he can commute we can commute you can commute they can commute
V-ing form
I can be commuting you can be commuting he can be commuting we can be commuting you can be commuting they can be commuting
Perfect
I can have commuted you can have commuted he can have commuted we can have commuted you can have commuted they can have commuted
V-ing perfect
I can have been commuting you can have been commuting he can have been commuting we can have been commuting you can have been commuting they can have been commuting
Negation
Simple form
I cannot commute you cannot commute he cannot commute we cannot commute you cannot commute they cannot commute
V-ing form
I cannot be commuting you cannot be commuting he cannot be commuting we cannot be commuting you cannot be commuting they cannot be commuting
Perfect
I cannot have commuted you cannot have commuted he cannot have commuted we cannot have commuted you cannot have commuted they cannot have commuted
V-ing perfect
I cannot have been commuting you cannot have been commuting he cannot have been commuting we cannot have been commuting you cannot have been commuting they cannot have been commuting
Interrogative form
Simple form
can I commute? can you commute? can he commute? can we commute? can you commute? can they commute?
V-ing form
can I be commuting? can you be commuting? can he be commuting? can we be commuting? can you be commuting? can they be commuting?
Perfect
can I have commuted? can you have commuted? can he have commuted? can we have commuted? can you have commuted? can they have commuted?
V-ing perfect
can I have been commuting? can you have been commuting? can he have been commuting? can we have been commuting? can you have been commuting? can they have been commuting?
Interro-negative form
Simple form
can I not commute? can you not commute? can he not commute? can we not commute? can you not commute? can they not commute?
V-ing form
can I not be commuting? can you not be commuting? can he not be commuting? can we not be commuting? can you not be commuting? can they not be commuting?
Perfect
can I not have commuted? can you not have commuted? can he not have commuted? can we not have commuted? can you not have commuted? can they not have commuted?
V-ing perfect
can I not have been commuting? can you not have been commuting? can he not have been commuting? can we not have been commuting? can you not have been commuting? can they not have been commuting?