I can promo you can promo he can promo we can promo you can promo they can promo
V-ing form
I can be promoing you can be promoing he can be promoing we can be promoing you can be promoing they can be promoing
Perfect
I can have promoed you can have promoed he can have promoed we can have promoed you can have promoed they can have promoed
V-ing perfect
I can have been promoing you can have been promoing he can have been promoing we can have been promoing you can have been promoing they can have been promoing
Negation
Simple form
I cannot promo you cannot promo he cannot promo we cannot promo you cannot promo they cannot promo
V-ing form
I cannot be promoing you cannot be promoing he cannot be promoing we cannot be promoing you cannot be promoing they cannot be promoing
Perfect
I cannot have promoed you cannot have promoed he cannot have promoed we cannot have promoed you cannot have promoed they cannot have promoed
V-ing perfect
I cannot have been promoing you cannot have been promoing he cannot have been promoing we cannot have been promoing you cannot have been promoing they cannot have been promoing
Interrogative form
Simple form
can I promo? can you promo? can he promo? can we promo? can you promo? can they promo?
V-ing form
can I be promoing? can you be promoing? can he be promoing? can we be promoing? can you be promoing? can they be promoing?
Perfect
can I have promoed? can you have promoed? can he have promoed? can we have promoed? can you have promoed? can they have promoed?
V-ing perfect
can I have been promoing? can you have been promoing? can he have been promoing? can we have been promoing? can you have been promoing? can they have been promoing?
Interro-negative form
Simple form
can I not promo? can you not promo? can he not promo? can we not promo? can you not promo? can they not promo?
V-ing form
can I not be promoing? can you not be promoing? can he not be promoing? can we not be promoing? can you not be promoing? can they not be promoing?
Perfect
can I not have promoed? can you not have promoed? can he not have promoed? can we not have promoed? can you not have promoed? can they not have promoed?
V-ing perfect
can I not have been promoing? can you not have been promoing? can he not have been promoing? can we not have been promoing? can you not have been promoing? can they not have been promoing?