I could dawn you could dawn he could dawn we could dawn you could dawn they could dawn
Forma com V-ing
I could be dawning you could be dawning he could be dawning we could be dawning you could be dawning they could be dawning
Perfeito
I could have dawned you could have dawned he could have dawned we could have dawned you could have dawned they could have dawned
Perfeito com V-ing
I could have been dawning you could have been dawning he could have been dawning we could have been dawning you could have been dawning they could have been dawning
Negação
Forma simple
I could not dawn you could not dawn he could not dawn we could not dawn you could not dawn they could not dawn
Forma com V-ing
I could not be dawning you could not be dawning he could not be dawning we could not be dawning you could not be dawning they could not be dawning
Perfeito
I could not have dawned you could not have dawned he could not have dawned we could not have dawned you could not have dawned they could not have dawned
Perfeito com V-ing
I could not have been dawning you could not have been dawning he could not have been dawning we could not have been dawning you could not have been dawning they could not have been dawning
Forma interrogativa
Forma simple
could I dawn? could you dawn? could he dawn? could we dawn? could you dawn? could they dawn?
Forma com V-ing
could I be dawning? could you be dawning? could he be dawning? could we be dawning? could you be dawning? could they be dawning?
Perfeito
could I have dawned? could you have dawned? could he have dawned? could we have dawned? could you have dawned? could they have dawned?
Perfeito com V-ing
could I have been dawning? could you have been dawning? could he have been dawning? could we have been dawning? could you have been dawning? could they have been dawning?
Forma interro-Negação
Forma simple
could I not dawn? could you not dawn? could he not dawn? could we not dawn? could you not dawn? could they not dawn?
Forma com V-ing
could I not be dawning? could you not be dawning? could he not be dawning? could we not be dawning? could you not be dawning? could they not be dawning?
Perfeito
could I not have dawned? could you not have dawned? could he not have dawned? could we not have dawned? could you not have dawned? could they not have dawned?
Perfeito com V-ing
could I not have been dawning? could you not have been dawning? could he not have been dawning? could we not have been dawning? could you not have been dawning? could they not have been dawning?