I can oxidize you can oxidize he can oxidize we can oxidize you can oxidize they can oxidize
Forma com V-ing
I can be oxidizing you can be oxidizing he can be oxidizing we can be oxidizing you can be oxidizing they can be oxidizing
Perfeito
I can have oxidized you can have oxidized he can have oxidized we can have oxidized you can have oxidized they can have oxidized
Perfeito com V-ing
I can have been oxidizing you can have been oxidizing he can have been oxidizing we can have been oxidizing you can have been oxidizing they can have been oxidizing
Negação
Forma simple
I cannot oxidize you cannot oxidize he cannot oxidize we cannot oxidize you cannot oxidize they cannot oxidize
Forma com V-ing
I cannot be oxidizing you cannot be oxidizing he cannot be oxidizing we cannot be oxidizing you cannot be oxidizing they cannot be oxidizing
Perfeito
I cannot have oxidized you cannot have oxidized he cannot have oxidized we cannot have oxidized you cannot have oxidized they cannot have oxidized
Perfeito com V-ing
I cannot have been oxidizing you cannot have been oxidizing he cannot have been oxidizing we cannot have been oxidizing you cannot have been oxidizing they cannot have been oxidizing
Forma interrogativa
Forma simple
can I oxidize? can you oxidize? can he oxidize? can we oxidize? can you oxidize? can they oxidize?
Forma com V-ing
can I be oxidizing? can you be oxidizing? can he be oxidizing? can we be oxidizing? can you be oxidizing? can they be oxidizing?
Perfeito
can I have oxidized? can you have oxidized? can he have oxidized? can we have oxidized? can you have oxidized? can they have oxidized?
Perfeito com V-ing
can I have been oxidizing? can you have been oxidizing? can he have been oxidizing? can we have been oxidizing? can you have been oxidizing? can they have been oxidizing?
Forma interro-Negação
Forma simple
can I not oxidize? can you not oxidize? can he not oxidize? can we not oxidize? can you not oxidize? can they not oxidize?
Forma com V-ing
can I not be oxidizing? can you not be oxidizing? can he not be oxidizing? can we not be oxidizing? can you not be oxidizing? can they not be oxidizing?
Perfeito
can I not have oxidized? can you not have oxidized? can he not have oxidized? can we not have oxidized? can you not have oxidized? can they not have oxidized?
Perfeito com V-ing
can I not have been oxidizing? can you not have been oxidizing? can he not have been oxidizing? can we not have been oxidizing? can you not have been oxidizing? can they not have been oxidizing?