I could baa you could baa he could baa we could baa you could baa they could baa
Forma com V-ing
I could be baaing you could be baaing he could be baaing we could be baaing you could be baaing they could be baaing
Perfeito
I could have baaed you could have baaed he could have baaed we could have baaed you could have baaed they could have baaed
Perfeito com V-ing
I could have been baaing you could have been baaing he could have been baaing we could have been baaing you could have been baaing they could have been baaing
Negação
Forma simple
I could not baa you could not baa he could not baa we could not baa you could not baa they could not baa
Forma com V-ing
I could not be baaing you could not be baaing he could not be baaing we could not be baaing you could not be baaing they could not be baaing
Perfeito
I could not have baaed you could not have baaed he could not have baaed we could not have baaed you could not have baaed they could not have baaed
Perfeito com V-ing
I could not have been baaing you could not have been baaing he could not have been baaing we could not have been baaing you could not have been baaing they could not have been baaing
Forma interrogativa
Forma simple
could I baa? could you baa? could he baa? could we baa? could you baa? could they baa?
Forma com V-ing
could I be baaing? could you be baaing? could he be baaing? could we be baaing? could you be baaing? could they be baaing?
Perfeito
could I have baaed? could you have baaed? could he have baaed? could we have baaed? could you have baaed? could they have baaed?
Perfeito com V-ing
could I have been baaing? could you have been baaing? could he have been baaing? could we have been baaing? could you have been baaing? could they have been baaing?
Forma interro-Negação
Forma simple
could I not baa? could you not baa? could he not baa? could we not baa? could you not baa? could they not baa?
Forma com V-ing
could I not be baaing? could you not be baaing? could he not be baaing? could we not be baaing? could you not be baaing? could they not be baaing?
Perfeito
could I not have baaed? could you not have baaed? could he not have baaed? could we not have baaed? could you not have baaed? could they not have baaed?
Perfeito com V-ing
could I not have been baaing? could you not have been baaing? could he not have been baaing? could we not have been baaing? could you not have been baaing? could they not have been baaing?