I could affirm you could affirm she could affirm we could affirm you could affirm they could affirm
Forma con V-ing
I could be affirming you could be affirming she could be affirming we could be affirming you could be affirming they could be affirming
Perfecto
I could have affirmed you could have affirmed she could have affirmed we could have affirmed you could have affirmed they could have affirmed
Perfecto con V-ing
I could have been affirming you could have been affirming she could have been affirming we could have been affirming you could have been affirming they could have been affirming
Negación
Forma simple
I could not affirm you could not affirm she could not affirm we could not affirm you could not affirm they could not affirm
Forma con V-ing
I could not be affirming you could not be affirming she could not be affirming we could not be affirming you could not be affirming they could not be affirming
Perfecto
I could not have affirmed you could not have affirmed she could not have affirmed we could not have affirmed you could not have affirmed they could not have affirmed
Perfecto con V-ing
I could not have been affirming you could not have been affirming she could not have been affirming we could not have been affirming you could not have been affirming they could not have been affirming
Forma interrogativa
Forma simple
could I affirm? could you affirm? could she affirm? could we affirm? could you affirm? could they affirm?
Forma con V-ing
could I be affirming? could you be affirming? could she be affirming? could we be affirming? could you be affirming? could they be affirming?
Perfecto
could I have affirmed? could you have affirmed? could she have affirmed? could we have affirmed? could you have affirmed? could they have affirmed?
Perfecto con V-ing
could I have been affirming? could you have been affirming? could she have been affirming? could we have been affirming? could you have been affirming? could they have been affirming?
Forma interro-negativa
Forma simple
could I not affirm? could you not affirm? could she not affirm? could we not affirm? could you not affirm? could they not affirm?
Forma con V-ing
could I not be affirming? could you not be affirming? could she not be affirming? could we not be affirming? could you not be affirming? could they not be affirming?
Perfecto
could I not have affirmed? could you not have affirmed? could she not have affirmed? could we not have affirmed? could you not have affirmed? could they not have affirmed?
Perfecto con V-ing
could I not have been affirming? could you not have been affirming? could she not have been affirming? could we not have been affirming? could you not have been affirming? could they not have been affirming?