I could profess you could profess he could profess we could profess you could profess they could profess
Forma com V-ing
I could be professing you could be professing he could be professing we could be professing you could be professing they could be professing
Perfeito
I could have professed you could have professed he could have professed we could have professed you could have professed they could have professed
Perfeito com V-ing
I could have been professing you could have been professing he could have been professing we could have been professing you could have been professing they could have been professing
Negação
Forma simple
I could not profess you could not profess he could not profess we could not profess you could not profess they could not profess
Forma com V-ing
I could not be professing you could not be professing he could not be professing we could not be professing you could not be professing they could not be professing
Perfeito
I could not have professed you could not have professed he could not have professed we could not have professed you could not have professed they could not have professed
Perfeito com V-ing
I could not have been professing you could not have been professing he could not have been professing we could not have been professing you could not have been professing they could not have been professing
Forma interrogativa
Forma simple
could I profess? could you profess? could he profess? could we profess? could you profess? could they profess?
Forma com V-ing
could I be professing? could you be professing? could he be professing? could we be professing? could you be professing? could they be professing?
Perfeito
could I have professed? could you have professed? could he have professed? could we have professed? could you have professed? could they have professed?
Perfeito com V-ing
could I have been professing? could you have been professing? could he have been professing? could we have been professing? could you have been professing? could they have been professing?
Forma interro-Negação
Forma simple
could I not profess? could you not profess? could he not profess? could we not profess? could you not profess? could they not profess?
Forma com V-ing
could I not be professing? could you not be professing? could he not be professing? could we not be professing? could you not be professing? could they not be professing?
Perfeito
could I not have professed? could you not have professed? could he not have professed? could we not have professed? could you not have professed? could they not have professed?
Perfeito com V-ing
could I not have been professing? could you not have been professing? could he not have been professing? could we not have been professing? could you not have been professing? could they not have been professing?