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 couldn't learn by you couldn't learn by he couldn't learn by we couldn't learn by you couldn't learn by they couldn't learn by
Forma con V-ing
I couldn't be learn bying you couldn't be learn bying he couldn't be learn bying we couldn't be learn bying you couldn't be learn bying they couldn't be learn bying
Perfecto
I couldn't have learn bied you couldn't have learn bied he couldn't have learn bied we couldn't have learn bied you couldn't have learn bied they couldn't have learn bied
Perfecto con V-ing
I couldn't have been learn bying you couldn't have been learn bying he couldn't have been learn bying we couldn't have been learn bying you couldn't have been learn bying they couldn't 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
couldn't I learn by? couldn't you learn by? couldn't he learn by? couldn't we learn by? couldn't you learn by? couldn't they learn by?
Forma con V-ing
couldn't I be learn bying? couldn't you be learn bying? couldn't he be learn bying? couldn't we be learn bying? couldn't you be learn bying? couldn't they be learn bying?
Perfecto
couldn't I have learn bied? couldn't you have learn bied? couldn't he have learn bied? couldn't we have learn bied? couldn't you have learn bied? couldn't they have learn bied?
Perfecto con V-ing
couldn't I have been learn bying? couldn't you have been learn bying? couldn't he have been learn bying? couldn't we have been learn bying? couldn't you have been learn bying? couldn't they have been learn bying?