could buff
Verbo regolare: buff - buffed- buffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could buff
you could buff
he could buff
we could buff
you could buff
they could buff 	I could be buffing
you could be buffing
he could be buffing
we could be buffing
you could be buffing
they could be buffing	I could have buffed
you could have buffed
he could have buffed
we could have buffed
you could have buffed
they could have buffed	I could have been buffing
you could have been buffing
he could have been buffing
we could have been buffing
you could have been buffing
they could have been buffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't buff
you couldn't buff
he couldn't buff
we couldn't buff
you couldn't buff
they couldn't buff 	I couldn't be buffing
you couldn't be buffing
he couldn't be buffing
we couldn't be buffing
you couldn't be buffing
they couldn't be buffing	I couldn't have buffed
you couldn't have buffed
he couldn't have buffed
we couldn't have buffed
you couldn't have buffed
they couldn't have buffed	I couldn't have been buffing
you couldn't have been buffing
he couldn't have been buffing
we couldn't have been buffing
you couldn't have been buffing
they couldn't have been buffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I buff?
could you buff?
could he buff?
could we buff?
could you buff?
could they buff? 	could I be buffing?
could you be buffing?
could he be buffing?
could we be buffing?
could you be buffing?
could they be buffing? 	could I have buffed?
could you have buffed?
could he have buffed?
could we have buffed?
could you have buffed?
could they have buffed? 	could I have been buffing?
could you have been buffing?
could he have been buffing?
could we have been buffing?
could you have been buffing?
could they have been buffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I buff?
couldn't you buff?
couldn't he buff?
couldn't we buff?
couldn't you buff?
couldn't they buff? 	couldn't I be buffing?
couldn't you be buffing?
couldn't he be buffing?
couldn't we be buffing?
couldn't you be buffing?
couldn't they be buffing? 	couldn't I have buffed?
couldn't you have buffed?
couldn't he have buffed?
couldn't we have buffed?
couldn't you have buffed?
couldn't they have buffed? 	couldn't I have been buffing?
couldn't you have been buffing?
couldn't he have been buffing?
couldn't we have been buffing?
couldn't you have been buffing?
couldn't they have been buffing?