Atención, este verbo puede no existir, se da como ejemplo la conjugación.
Afirmación
Forma simple
I could expert you could expert she could expert we could expert you could expert they could expert
Forma con V-ing
I could be experting you could be experting she could be experting we could be experting you could be experting they could be experting
Perfecto
I could have experted you could have experted she could have experted we could have experted you could have experted they could have experted
Perfecto con V-ing
I could have been experting you could have been experting she could have been experting we could have been experting you could have been experting they could have been experting
Negación
Forma simple
I could not expert you could not expert she could not expert we could not expert you could not expert they could not expert
Forma con V-ing
I could not be experting you could not be experting she could not be experting we could not be experting you could not be experting they could not be experting
Perfecto
I could not have experted you could not have experted she could not have experted we could not have experted you could not have experted they could not have experted
Perfecto con V-ing
I could not have been experting you could not have been experting she could not have been experting we could not have been experting you could not have been experting they could not have been experting
Forma interrogativa
Forma simple
could I expert? could you expert? could she expert? could we expert? could you expert? could they expert?
Forma con V-ing
could I be experting? could you be experting? could she be experting? could we be experting? could you be experting? could they be experting?
Perfecto
could I have experted? could you have experted? could she have experted? could we have experted? could you have experted? could they have experted?
Perfecto con V-ing
could I have been experting? could you have been experting? could she have been experting? could we have been experting? could you have been experting? could they have been experting?
Forma interro-negativa
Forma simple
could I not expert? could you not expert? could she not expert? could we not expert? could you not expert? could they not expert?
Forma con V-ing
could I not be experting? could you not be experting? could she not be experting? could we not be experting? could you not be experting? could they not be experting?
Perfecto
could I not have experted? could you not have experted? could she not have experted? could we not have experted? could you not have experted? could they not have experted?
Perfecto con V-ing
could I not have been experting? could you not have been experting? could she not have been experting? could we not have been experting? could you not have been experting? could they not have been experting?