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