can believe
Verbo regular: believe - believed- believed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto 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	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 	Perfecto 	Perfecto con V-ing 	
I cannot believe
you cannot believe
he cannot believe
we cannot believe
you cannot believe
they cannot believe 	I cannot be believing
you cannot be believing
he cannot be believing
we cannot be believing
you cannot be believing
they cannot be believing	I cannot have believed
you cannot have believed
he cannot have believed
we cannot have believed
you cannot have believed
they cannot have believed	I cannot have been believing
you cannot have been believing
he cannot have been believing
we cannot have been believing
you cannot have been believing
they cannot have been believing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto 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? 	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 	Perfecto 	Perfecto con V-ing 	
can I not believe?
can you not believe?
can he not believe?
can we not believe?
can you not believe?
can they not believe? 	can I not be believing?
can you not be believing?
can he not be believing?
can we not be believing?
can you not be believing?
can they not be believing? 	can I not have believed?
can you not have believed?
can he not have believed?
can we not have believed?
can you not have believed?
can they not have believed? 	can I not have been believing?
can you not have been believing?
can he not have been believing?
can we not have been believing?
can you not have been believing?
can they not have been believing?