I could vocalize you could vocalize he could vocalize we could vocalize you could vocalize they could vocalize
Forma com V-ing
I could be vocalizing you could be vocalizing he could be vocalizing we could be vocalizing you could be vocalizing they could be vocalizing
Perfeito
I could have vocalized you could have vocalized he could have vocalized we could have vocalized you could have vocalized they could have vocalized
Perfeito com V-ing
I could have been vocalizing you could have been vocalizing he could have been vocalizing we could have been vocalizing you could have been vocalizing they could have been vocalizing
Negação
Forma simple
I could not vocalize you could not vocalize he could not vocalize we could not vocalize you could not vocalize they could not vocalize
Forma com V-ing
I could not be vocalizing you could not be vocalizing he could not be vocalizing we could not be vocalizing you could not be vocalizing they could not be vocalizing
Perfeito
I could not have vocalized you could not have vocalized he could not have vocalized we could not have vocalized you could not have vocalized they could not have vocalized
Perfeito com V-ing
I could not have been vocalizing you could not have been vocalizing he could not have been vocalizing we could not have been vocalizing you could not have been vocalizing they could not have been vocalizing
Forma interrogativa
Forma simple
could I vocalize? could you vocalize? could he vocalize? could we vocalize? could you vocalize? could they vocalize?
Forma com V-ing
could I be vocalizing? could you be vocalizing? could he be vocalizing? could we be vocalizing? could you be vocalizing? could they be vocalizing?
Perfeito
could I have vocalized? could you have vocalized? could he have vocalized? could we have vocalized? could you have vocalized? could they have vocalized?
Perfeito com V-ing
could I have been vocalizing? could you have been vocalizing? could he have been vocalizing? could we have been vocalizing? could you have been vocalizing? could they have been vocalizing?
Forma interro-Negação
Forma simple
could I not vocalize? could you not vocalize? could he not vocalize? could we not vocalize? could you not vocalize? could they not vocalize?
Forma com V-ing
could I not be vocalizing? could you not be vocalizing? could he not be vocalizing? could we not be vocalizing? could you not be vocalizing? could they not be vocalizing?
Perfeito
could I not have vocalized? could you not have vocalized? could he not have vocalized? could we not have vocalized? could you not have vocalized? could they not have vocalized?
Perfeito com V-ing
could I not have been vocalizing? could you not have been vocalizing? could he not have been vocalizing? could we not have been vocalizing? could you not have been vocalizing? could they not have been vocalizing?