could supervene
Verbo regolare: supervene - supervened- supervened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could supervene
you could supervene
he could supervene
we could supervene
you could supervene
they could supervene 	I could be supervening
you could be supervening
he could be supervening
we could be supervening
you could be supervening
they could be supervening	I could have supervened
you could have supervened
he could have supervened
we could have supervened
you could have supervened
they could have supervened	I could have been supervening
you could have been supervening
he could have been supervening
we could have been supervening
you could have been supervening
they could have been supervening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not supervene
you could not supervene
he could not supervene
we could not supervene
you could not supervene
they could not supervene 	I could not be supervening
you could not be supervening
he could not be supervening
we could not be supervening
you could not be supervening
they could not be supervening	I could not have supervened
you could not have supervened
he could not have supervened
we could not have supervened
you could not have supervened
they could not have supervened	I could not have been supervening
you could not have been supervening
he could not have been supervening
we could not have been supervening
you could not have been supervening
they could not have been supervening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I supervene?
could you supervene?
could he supervene?
could we supervene?
could you supervene?
could they supervene? 	could I be supervening?
could you be supervening?
could he be supervening?
could we be supervening?
could you be supervening?
could they be supervening? 	could I have supervened?
could you have supervened?
could he have supervened?
could we have supervened?
could you have supervened?
could they have supervened? 	could I have been supervening?
could you have been supervening?
could he have been supervening?
could we have been supervening?
could you have been supervening?
could they have been supervening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not supervene?
could you not supervene?
could he not supervene?
could we not supervene?
could you not supervene?
could they not supervene? 	could I not be supervening?
could you not be supervening?
could he not be supervening?
could we not be supervening?
could you not be supervening?
could they not be supervening? 	could I not have supervened?
could you not have supervened?
could he not have supervened?
could we not have supervened?
could you not have supervened?
could they not have supervened? 	could I not have been supervening?
could you not have been supervening?
could he not have been supervening?
could we not have been supervening?
could you not have been supervening?
could they not have been supervening?