could supersede
Verbo regolare: supersede - superseded- superseded

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could supersede
you could supersede
she could supersede
we could supersede
you could supersede
they could supersede 	I could be superseding
you could be superseding
she could be superseding
we could be superseding
you could be superseding
they could be superseding	I could have superseded
you could have superseded
she could have superseded
we could have superseded
you could have superseded
they could have superseded	I could have been superseding
you could have been superseding
she could have been superseding
we could have been superseding
you could have been superseding
they could have been superseding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not supersede
you could not supersede
she could not supersede
we could not supersede
you could not supersede
they could not supersede 	I could not be superseding
you could not be superseding
she could not be superseding
we could not be superseding
you could not be superseding
they could not be superseding	I could not have superseded
you could not have superseded
she could not have superseded
we could not have superseded
you could not have superseded
they could not have superseded	I could not have been superseding
you could not have been superseding
she could not have been superseding
we could not have been superseding
you could not have been superseding
they could not have been superseding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I supersede?
could you supersede?
could she supersede?
could we supersede?
could you supersede?
could they supersede? 	could I be superseding?
could you be superseding?
could she be superseding?
could we be superseding?
could you be superseding?
could they be superseding? 	could I have superseded?
could you have superseded?
could she have superseded?
could we have superseded?
could you have superseded?
could they have superseded? 	could I have been superseding?
could you have been superseding?
could she have been superseding?
could we have been superseding?
could you have been superseding?
could they have been superseding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not supersede?
could you not supersede?
could she not supersede?
could we not supersede?
could you not supersede?
could they not supersede? 	could I not be superseding?
could you not be superseding?
could she not be superseding?
could we not be superseding?
could you not be superseding?
could they not be superseding? 	could I not have superseded?
could you not have superseded?
could she not have superseded?
could we not have superseded?
could you not have superseded?
could they not have superseded? 	could I not have been superseding?
could you not have been superseding?
could she not have been superseding?
could we not have been superseding?
could you not have been superseding?
could they not have been superseding?