can believe
Verbo regular: believe - believed- believed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	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 com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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? 	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?