I can believe you can believe he can believe we can believe you can believe they can believe
Forma con V-ing
I can be believing you can be believing he can be believing we can be believing you can be believing they can be believing
Perfecto
I can have believed you can have believed he can have believed we can have believed you can have believed they can have believed
Perfecto con V-ing
I can have been believing you can have been believing he can have been believing we can have been believing you can have been believing they can have been believing
Negación
Forma simple
I can't believe you can't believe he can't believe we can't believe you can't believe they can't believe
Forma con V-ing
I can't be believing you can't be believing he can't be believing we can't be believing you can't be believing they can't be believing
Perfecto
I can't have believed you can't have believed he can't have believed we can't have believed you can't have believed they can't have believed
Perfecto con V-ing
I can't have been believing you can't have been believing he can't have been believing we can't have been believing you can't have been believing they can't have been believing
Forma interrogativa
Forma simple
can I believe? can you believe? can he believe? can we believe? can you believe? can they believe?
Forma con V-ing
can I be believing? can you be believing? can he be believing? can we be believing? can you be believing? can they be believing?
Perfecto
can I have believed? can you have believed? can he have believed? can we have believed? can you have believed? can they have believed?
Perfecto con V-ing
can I have been believing? can you have been believing? can he have been believing? can we have been believing? can you have been believing? can they have been believing?
Forma interro-negativa
Forma simple
can't I believe? can't you believe? can't he believe? can't we believe? can't you believe? can't they believe?
Forma con V-ing
can't I be believing? can't you be believing? can't he be believing? can't we be believing? can't you be believing? can't they be believing?
Perfecto
can't I have believed? can't you have believed? can't he have believed? can't we have believed? can't you have believed? can't they have believed?
Perfecto con V-ing
can't I have been believing? can't you have been believing? can't he have been believing? can't we have been believing? can't you have been believing? can't they have been believing?