Conjugación del verbo inglés
CAN BELIEVE

Verbo regular: believe - believed - believed

Afirmación

Forma simple	Forma con V-ing
I can believe you can believe he can believe we can believe you can believe they can believe	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	Perfecto con V-ing
I can have believed you can have believed he can have believed we can have believed you can have believed they can have believed	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	Forma con V-ing
I can't believe you can't believe he can't believe we can't believe you can't believe they can't believe	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	Perfecto con V-ing
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	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	Forma con V-ing
can I believe? can you believe? can he believe? can we believe? can you believe? can they believe?	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	Perfecto con V-ing
can I have believed? can you have believed? can he have believed? can we have believed? can you have believed? can they have believed?	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	Forma con V-ing
can't I believe? can't you believe? can't he believe? can't we believe? can't you believe? can't they believe?	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	Perfecto con V-ing
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?	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?