could muff
Verbo regolare: muff - muffed- muffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could muff
you could muff
he could muff
we could muff
you could muff
they could muff 	I could be muffing
you could be muffing
he could be muffing
we could be muffing
you could be muffing
they could be muffing	I could have muffed
you could have muffed
he could have muffed
we could have muffed
you could have muffed
they could have muffed	I could have been muffing
you could have been muffing
he could have been muffing
we could have been muffing
you could have been muffing
they could have been muffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't muff
you couldn't muff
he couldn't muff
we couldn't muff
you couldn't muff
they couldn't muff 	I couldn't be muffing
you couldn't be muffing
he couldn't be muffing
we couldn't be muffing
you couldn't be muffing
they couldn't be muffing	I couldn't have muffed
you couldn't have muffed
he couldn't have muffed
we couldn't have muffed
you couldn't have muffed
they couldn't have muffed	I couldn't have been muffing
you couldn't have been muffing
he couldn't have been muffing
we couldn't have been muffing
you couldn't have been muffing
they couldn't have been muffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I muff?
could you muff?
could he muff?
could we muff?
could you muff?
could they muff? 	could I be muffing?
could you be muffing?
could he be muffing?
could we be muffing?
could you be muffing?
could they be muffing? 	could I have muffed?
could you have muffed?
could he have muffed?
could we have muffed?
could you have muffed?
could they have muffed? 	could I have been muffing?
could you have been muffing?
could he have been muffing?
could we have been muffing?
could you have been muffing?
could they have been muffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I muff?
couldn't you muff?
couldn't he muff?
couldn't we muff?
couldn't you muff?
couldn't they muff? 	couldn't I be muffing?
couldn't you be muffing?
couldn't he be muffing?
couldn't we be muffing?
couldn't you be muffing?
couldn't they be muffing? 	couldn't I have muffed?
couldn't you have muffed?
couldn't he have muffed?
couldn't we have muffed?
couldn't you have muffed?
couldn't they have muffed? 	couldn't I have been muffing?
couldn't you have been muffing?
couldn't he have been muffing?
couldn't we have been muffing?
couldn't you have been muffing?
couldn't they have been muffing?