could chuff
Verbo regolare: chuff - chuffed- chuffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could chuff
you could chuff
he could chuff
we could chuff
you could chuff
they could chuff 	I could be chuffing
you could be chuffing
he could be chuffing
we could be chuffing
you could be chuffing
they could be chuffing	I could have chuffed
you could have chuffed
he could have chuffed
we could have chuffed
you could have chuffed
they could have chuffed	I could have been chuffing
you could have been chuffing
he could have been chuffing
we could have been chuffing
you could have been chuffing
they could have been chuffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't chuff
you couldn't chuff
he couldn't chuff
we couldn't chuff
you couldn't chuff
they couldn't chuff 	I couldn't be chuffing
you couldn't be chuffing
he couldn't be chuffing
we couldn't be chuffing
you couldn't be chuffing
they couldn't be chuffing	I couldn't have chuffed
you couldn't have chuffed
he couldn't have chuffed
we couldn't have chuffed
you couldn't have chuffed
they couldn't have chuffed	I couldn't have been chuffing
you couldn't have been chuffing
he couldn't have been chuffing
we couldn't have been chuffing
you couldn't have been chuffing
they couldn't have been chuffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I chuff?
could you chuff?
could he chuff?
could we chuff?
could you chuff?
could they chuff? 	could I be chuffing?
could you be chuffing?
could he be chuffing?
could we be chuffing?
could you be chuffing?
could they be chuffing? 	could I have chuffed?
could you have chuffed?
could he have chuffed?
could we have chuffed?
could you have chuffed?
could they have chuffed? 	could I have been chuffing?
could you have been chuffing?
could he have been chuffing?
could we have been chuffing?
could you have been chuffing?
could they have been chuffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I chuff?
couldn't you chuff?
couldn't he chuff?
couldn't we chuff?
couldn't you chuff?
couldn't they chuff? 	couldn't I be chuffing?
couldn't you be chuffing?
couldn't he be chuffing?
couldn't we be chuffing?
couldn't you be chuffing?
couldn't they be chuffing? 	couldn't I have chuffed?
couldn't you have chuffed?
couldn't he have chuffed?
couldn't we have chuffed?
couldn't you have chuffed?
couldn't they have chuffed? 	couldn't I have been chuffing?
couldn't you have been chuffing?
couldn't he have been chuffing?
couldn't we have been chuffing?
couldn't you have been chuffing?
couldn't they have been chuffing?