could devoice
Verbo regular: devoice - devoiced- devoiced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could devoice
you could devoice
he could devoice
we could devoice
you could devoice
they could devoice 	I could be devoicing
you could be devoicing
he could be devoicing
we could be devoicing
you could be devoicing
they could be devoicing	I could have devoiced
you could have devoiced
he could have devoiced
we could have devoiced
you could have devoiced
they could have devoiced	I could have been devoicing
you could have been devoicing
he could have been devoicing
we could have been devoicing
you could have been devoicing
they could have been devoicing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not devoice
you could not devoice
he could not devoice
we could not devoice
you could not devoice
they could not devoice 	I could not be devoicing
you could not be devoicing
he could not be devoicing
we could not be devoicing
you could not be devoicing
they could not be devoicing	I could not have devoiced
you could not have devoiced
he could not have devoiced
we could not have devoiced
you could not have devoiced
they could not have devoiced	I could not have been devoicing
you could not have been devoicing
he could not have been devoicing
we could not have been devoicing
you could not have been devoicing
they could not have been devoicing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I devoice?
could you devoice?
could he devoice?
could we devoice?
could you devoice?
could they devoice? 	could I be devoicing?
could you be devoicing?
could he be devoicing?
could we be devoicing?
could you be devoicing?
could they be devoicing? 	could I have devoiced?
could you have devoiced?
could he have devoiced?
could we have devoiced?
could you have devoiced?
could they have devoiced? 	could I have been devoicing?
could you have been devoicing?
could he have been devoicing?
could we have been devoicing?
could you have been devoicing?
could they have been devoicing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not devoice?
could you not devoice?
could he not devoice?
could we not devoice?
could you not devoice?
could they not devoice? 	could I not be devoicing?
could you not be devoicing?
could he not be devoicing?
could we not be devoicing?
could you not be devoicing?
could they not be devoicing? 	could I not have devoiced?
could you not have devoiced?
could he not have devoiced?
could we not have devoiced?
could you not have devoiced?
could they not have devoiced? 	could I not have been devoicing?
could you not have been devoicing?
could he not have been devoicing?
could we not have been devoicing?
could you not have been devoicing?
could they not have been devoicing?