I can stick you can stick he can stick we can stick you can stick they can stick
V-ing form
I can be sticking you can be sticking he can be sticking we can be sticking you can be sticking they can be sticking
Perfect
I can have stuck you can have stuck he can have stuck we can have stuck you can have stuck they can have stuck
V-ing perfect
I can have been sticking you can have been sticking he can have been sticking we can have been sticking you can have been sticking they can have been sticking
Negation
Simple form
I cannot stick you cannot stick he cannot stick we cannot stick you cannot stick they cannot stick
V-ing form
I cannot be sticking you cannot be sticking he cannot be sticking we cannot be sticking you cannot be sticking they cannot be sticking
Perfect
I cannot have stuck you cannot have stuck he cannot have stuck we cannot have stuck you cannot have stuck they cannot have stuck
V-ing perfect
I cannot have been sticking you cannot have been sticking he cannot have been sticking we cannot have been sticking you cannot have been sticking they cannot have been sticking
Interrogative form
Simple form
can I stick? can you stick? can he stick? can we stick? can you stick? can they stick?
V-ing form
can I be sticking? can you be sticking? can he be sticking? can we be sticking? can you be sticking? can they be sticking?
Perfect
can I have stuck? can you have stuck? can he have stuck? can we have stuck? can you have stuck? can they have stuck?
V-ing perfect
can I have been sticking? can you have been sticking? can he have been sticking? can we have been sticking? can you have been sticking? can they have been sticking?
Interro-negative form
Simple form
can I not stick? can you not stick? can he not stick? can we not stick? can you not stick? can they not stick?
V-ing form
can I not be sticking? can you not be sticking? can he not be sticking? can we not be sticking? can you not be sticking? can they not be sticking?
Perfect
can I not have stuck? can you not have stuck? can he not have stuck? can we not have stuck? can you not have stuck? can they not have stuck?
V-ing perfect
can I not have been sticking? can you not have been sticking? can he not have been sticking? can we not have been sticking? can you not have been sticking? can they not have been sticking?