I can ban you can ban he can ban we can ban you can ban they can ban
V-ing form
I can be banning you can be banning he can be banning we can be banning you can be banning they can be banning
Perfect
I can have banned you can have banned he can have banned we can have banned you can have banned they can have banned
V-ing perfect
I can have been banning you can have been banning he can have been banning we can have been banning you can have been banning they can have been banning
Negation
Simple form
I cannot ban you cannot ban he cannot ban we cannot ban you cannot ban they cannot ban
V-ing form
I cannot be banning you cannot be banning he cannot be banning we cannot be banning you cannot be banning they cannot be banning
Perfect
I cannot have banned you cannot have banned he cannot have banned we cannot have banned you cannot have banned they cannot have banned
V-ing perfect
I cannot have been banning you cannot have been banning he cannot have been banning we cannot have been banning you cannot have been banning they cannot have been banning
Interrogative form
Simple form
can I ban? can you ban? can he ban? can we ban? can you ban? can they ban?
V-ing form
can I be banning? can you be banning? can he be banning? can we be banning? can you be banning? can they be banning?
Perfect
can I have banned? can you have banned? can he have banned? can we have banned? can you have banned? can they have banned?
V-ing perfect
can I have been banning? can you have been banning? can he have been banning? can we have been banning? can you have been banning? can they have been banning?
Interro-negative form
Simple form
can I not ban? can you not ban? can he not ban? can we not ban? can you not ban? can they not ban?
V-ing form
can I not be banning? can you not be banning? can he not be banning? can we not be banning? can you not be banning? can they not be banning?
Perfect
can I not have banned? can you not have banned? can he not have banned? can we not have banned? can you not have banned? can they not have banned?
V-ing perfect
can I not have been banning? can you not have been banning? can he not have been banning? can we not have been banning? can you not have been banning? can they not have been banning?