could fluff
Verbo regular: fluff - fluffed- fluffed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could fluff
you could fluff
he could fluff
we could fluff
you could fluff
they could fluff 	I could be fluffing
you could be fluffing
he could be fluffing
we could be fluffing
you could be fluffing
they could be fluffing	I could have fluffed
you could have fluffed
he could have fluffed
we could have fluffed
you could have fluffed
they could have fluffed	I could have been fluffing
you could have been fluffing
he could have been fluffing
we could have been fluffing
you could have been fluffing
they could have been fluffing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't fluff
you couldn't fluff
he couldn't fluff
we couldn't fluff
you couldn't fluff
they couldn't fluff 	I couldn't be fluffing
you couldn't be fluffing
he couldn't be fluffing
we couldn't be fluffing
you couldn't be fluffing
they couldn't be fluffing	I couldn't have fluffed
you couldn't have fluffed
he couldn't have fluffed
we couldn't have fluffed
you couldn't have fluffed
they couldn't have fluffed	I couldn't have been fluffing
you couldn't have been fluffing
he couldn't have been fluffing
we couldn't have been fluffing
you couldn't have been fluffing
they couldn't have been fluffing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I fluff?
could you fluff?
could he fluff?
could we fluff?
could you fluff?
could they fluff? 	could I be fluffing?
could you be fluffing?
could he be fluffing?
could we be fluffing?
could you be fluffing?
could they be fluffing? 	could I have fluffed?
could you have fluffed?
could he have fluffed?
could we have fluffed?
could you have fluffed?
could they have fluffed? 	could I have been fluffing?
could you have been fluffing?
could he have been fluffing?
could we have been fluffing?
could you have been fluffing?
could they have been fluffing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I fluff?
couldn't you fluff?
couldn't he fluff?
couldn't we fluff?
couldn't you fluff?
couldn't they fluff? 	couldn't I be fluffing?
couldn't you be fluffing?
couldn't he be fluffing?
couldn't we be fluffing?
couldn't you be fluffing?
couldn't they be fluffing? 	couldn't I have fluffed?
couldn't you have fluffed?
couldn't he have fluffed?
couldn't we have fluffed?
couldn't you have fluffed?
couldn't they have fluffed? 	couldn't I have been fluffing?
couldn't you have been fluffing?
couldn't he have been fluffing?
couldn't we have been fluffing?
couldn't you have been fluffing?
couldn't they have been fluffing?