I could bay you could bay he could bay we could bay you could bay they could bay
Forma con V-ing
I could be baying you could be baying he could be baying we could be baying you could be baying they could be baying
Perfecto
I could have bayed you could have bayed he could have bayed we could have bayed you could have bayed they could have bayed
Perfecto con V-ing
I could have been baying you could have been baying he could have been baying we could have been baying you could have been baying they could have been baying
Negación
Forma simple
I could not bay you could not bay he could not bay we could not bay you could not bay they could not bay
Forma con V-ing
I could not be baying you could not be baying he could not be baying we could not be baying you could not be baying they could not be baying
Perfecto
I could not have bayed you could not have bayed he could not have bayed we could not have bayed you could not have bayed they could not have bayed
Perfecto con V-ing
I could not have been baying you could not have been baying he could not have been baying we could not have been baying you could not have been baying they could not have been baying
Forma interrogativa
Forma simple
could I bay? could you bay? could he bay? could we bay? could you bay? could they bay?
Forma con V-ing
could I be baying? could you be baying? could he be baying? could we be baying? could you be baying? could they be baying?
Perfecto
could I have bayed? could you have bayed? could he have bayed? could we have bayed? could you have bayed? could they have bayed?
Perfecto con V-ing
could I have been baying? could you have been baying? could he have been baying? could we have been baying? could you have been baying? could they have been baying?
Forma interro-negativa
Forma simple
could I not bay? could you not bay? could he not bay? could we not bay? could you not bay? could they not bay?
Forma con V-ing
could I not be baying? could you not be baying? could he not be baying? could we not be baying? could you not be baying? could they not be baying?
Perfecto
could I not have bayed? could you not have bayed? could he not have bayed? could we not have bayed? could you not have bayed? could they not have bayed?
Perfecto con V-ing
could I not have been baying? could you not have been baying? could he not have been baying? could we not have been baying? could you not have been baying? could they not have been baying?