I can civilize you can civilize he can civilize we can civilize you can civilize they can civilize
V-ing form
I can be civilizing you can be civilizing he can be civilizing we can be civilizing you can be civilizing they can be civilizing
Perfect
I can have civilized you can have civilized he can have civilized we can have civilized you can have civilized they can have civilized
V-ing perfect
I can have been civilizing you can have been civilizing he can have been civilizing we can have been civilizing you can have been civilizing they can have been civilizing
Negation
Simple form
I cannot civilize you cannot civilize he cannot civilize we cannot civilize you cannot civilize they cannot civilize
V-ing form
I cannot be civilizing you cannot be civilizing he cannot be civilizing we cannot be civilizing you cannot be civilizing they cannot be civilizing
Perfect
I cannot have civilized you cannot have civilized he cannot have civilized we cannot have civilized you cannot have civilized they cannot have civilized
V-ing perfect
I cannot have been civilizing you cannot have been civilizing he cannot have been civilizing we cannot have been civilizing you cannot have been civilizing they cannot have been civilizing
Interrogative form
Simple form
can I civilize? can you civilize? can he civilize? can we civilize? can you civilize? can they civilize?
V-ing form
can I be civilizing? can you be civilizing? can he be civilizing? can we be civilizing? can you be civilizing? can they be civilizing?
Perfect
can I have civilized? can you have civilized? can he have civilized? can we have civilized? can you have civilized? can they have civilized?
V-ing perfect
can I have been civilizing? can you have been civilizing? can he have been civilizing? can we have been civilizing? can you have been civilizing? can they have been civilizing?
Interro-negative form
Simple form
can I not civilize? can you not civilize? can he not civilize? can we not civilize? can you not civilize? can they not civilize?
V-ing form
can I not be civilizing? can you not be civilizing? can he not be civilizing? can we not be civilizing? can you not be civilizing? can they not be civilizing?
Perfect
can I not have civilized? can you not have civilized? can he not have civilized? can we not have civilized? can you not have civilized? can they not have civilized?
V-ing perfect
can I not have been civilizing? can you not have been civilizing? can he not have been civilizing? can we not have been civilizing? can you not have been civilizing? can they not have been civilizing?