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 couldn't vocalize you couldn't vocalize he couldn't vocalize we couldn't vocalize you couldn't vocalize they couldn't vocalize
Forma com V-ing
I couldn't be vocalizing you couldn't be vocalizing he couldn't be vocalizing we couldn't be vocalizing you couldn't be vocalizing they couldn't be vocalizing
Perfeito
I couldn't have vocalized you couldn't have vocalized he couldn't have vocalized we couldn't have vocalized you couldn't have vocalized they couldn't have vocalized
Perfeito com V-ing
I couldn't have been vocalizing you couldn't have been vocalizing he couldn't have been vocalizing we couldn't have been vocalizing you couldn't have been vocalizing they couldn't 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
couldn't I vocalize? couldn't you vocalize? couldn't he vocalize? couldn't we vocalize? couldn't you vocalize? couldn't they vocalize?
Forma com V-ing
couldn't I be vocalizing? couldn't you be vocalizing? couldn't he be vocalizing? couldn't we be vocalizing? couldn't you be vocalizing? couldn't they be vocalizing?
Perfeito
couldn't I have vocalized? couldn't you have vocalized? couldn't he have vocalized? couldn't we have vocalized? couldn't you have vocalized? couldn't they have vocalized?
Perfeito com V-ing
couldn't I have been vocalizing? couldn't you have been vocalizing? couldn't he have been vocalizing? couldn't we have been vocalizing? couldn't you have been vocalizing? couldn't they have been vocalizing?