I could saber you could saber she could saber we could saber you could saber they could saber
Forma con V-ing
I could be sabering you could be sabering she could be sabering we could be sabering you could be sabering they could be sabering
Perfecto
I could have sabered you could have sabered she could have sabered we could have sabered you could have sabered they could have sabered
Perfecto con V-ing
I could have been sabering you could have been sabering she could have been sabering we could have been sabering you could have been sabering they could have been sabering
Negación
Forma simple
I could not saber you could not saber she could not saber we could not saber you could not saber they could not saber
Forma con V-ing
I could not be sabering you could not be sabering she could not be sabering we could not be sabering you could not be sabering they could not be sabering
Perfecto
I could not have sabered you could not have sabered she could not have sabered we could not have sabered you could not have sabered they could not have sabered
Perfecto con V-ing
I could not have been sabering you could not have been sabering she could not have been sabering we could not have been sabering you could not have been sabering they could not have been sabering
Forma interrogativa
Forma simple
could I saber? could you saber? could she saber? could we saber? could you saber? could they saber?
Forma con V-ing
could I be sabering? could you be sabering? could she be sabering? could we be sabering? could you be sabering? could they be sabering?
Perfecto
could I have sabered? could you have sabered? could she have sabered? could we have sabered? could you have sabered? could they have sabered?
Perfecto con V-ing
could I have been sabering? could you have been sabering? could she have been sabering? could we have been sabering? could you have been sabering? could they have been sabering?
Forma interro-negativa
Forma simple
could I not saber? could you not saber? could she not saber? could we not saber? could you not saber? could they not saber?
Forma con V-ing
could I not be sabering? could you not be sabering? could she not be sabering? could we not be sabering? could you not be sabering? could they not be sabering?
Perfecto
could I not have sabered? could you not have sabered? could she not have sabered? could we not have sabered? could you not have sabered? could they not have sabered?
Perfecto con V-ing
could I not have been sabering? could you not have been sabering? could she not have been sabering? could we not have been sabering? could you not have been sabering? could they not have been sabering?