could believe
Verbo regolare: believe - believed- believed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could believe
you could believe
he could believe
we could believe
you could believe
they could believe 	I could be believing
you could be believing
he could be believing
we could be believing
you could be believing
they could be believing	I could have believed
you could have believed
he could have believed
we could have believed
you could have believed
they could have believed	I could have been believing
you could have been believing
he could have been believing
we could have been believing
you could have been believing
they could have been believing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't believe
you couldn't believe
he couldn't believe
we couldn't believe
you couldn't believe
they couldn't believe 	I couldn't be believing
you couldn't be believing
he couldn't be believing
we couldn't be believing
you couldn't be believing
they couldn't be believing	I couldn't have believed
you couldn't have believed
he couldn't have believed
we couldn't have believed
you couldn't have believed
they couldn't have believed	I couldn't have been believing
you couldn't have been believing
he couldn't have been believing
we couldn't have been believing
you couldn't have been believing
they couldn't have been believing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I believe?
could you believe?
could he believe?
could we believe?
could you believe?
could they believe? 	could I be believing?
could you be believing?
could he be believing?
could we be believing?
could you be believing?
could they be believing? 	could I have believed?
could you have believed?
could he have believed?
could we have believed?
could you have believed?
could they have believed? 	could I have been believing?
could you have been believing?
could he have been believing?
could we have been believing?
could you have been believing?
could they have been believing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I believe?
couldn't you believe?
couldn't he believe?
couldn't we believe?
couldn't you believe?
couldn't they believe? 	couldn't I be believing?
couldn't you be believing?
couldn't he be believing?
couldn't we be believing?
couldn't you be believing?
couldn't they be believing? 	couldn't I have believed?
couldn't you have believed?
couldn't he have believed?
couldn't we have believed?
couldn't you have believed?
couldn't they have believed? 	couldn't I have been believing?
couldn't you have been believing?
couldn't he have been believing?
couldn't we have been believing?
couldn't you have been believing?
couldn't they have been believing?