could gaff
Verbo regular: gaff - gaffed- gaffed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could gaff
you could gaff
he could gaff
we could gaff
you could gaff
they could gaff 	I could be gaffing
you could be gaffing
he could be gaffing
we could be gaffing
you could be gaffing
they could be gaffing	I could have gaffed
you could have gaffed
he could have gaffed
we could have gaffed
you could have gaffed
they could have gaffed	I could have been gaffing
you could have been gaffing
he could have been gaffing
we could have been gaffing
you could have been gaffing
they could have been gaffing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't gaff
you couldn't gaff
he couldn't gaff
we couldn't gaff
you couldn't gaff
they couldn't gaff 	I couldn't be gaffing
you couldn't be gaffing
he couldn't be gaffing
we couldn't be gaffing
you couldn't be gaffing
they couldn't be gaffing	I couldn't have gaffed
you couldn't have gaffed
he couldn't have gaffed
we couldn't have gaffed
you couldn't have gaffed
they couldn't have gaffed	I couldn't have been gaffing
you couldn't have been gaffing
he couldn't have been gaffing
we couldn't have been gaffing
you couldn't have been gaffing
they couldn't have been gaffing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I gaff?
could you gaff?
could he gaff?
could we gaff?
could you gaff?
could they gaff? 	could I be gaffing?
could you be gaffing?
could he be gaffing?
could we be gaffing?
could you be gaffing?
could they be gaffing? 	could I have gaffed?
could you have gaffed?
could he have gaffed?
could we have gaffed?
could you have gaffed?
could they have gaffed? 	could I have been gaffing?
could you have been gaffing?
could he have been gaffing?
could we have been gaffing?
could you have been gaffing?
could they have been gaffing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I gaff?
couldn't you gaff?
couldn't he gaff?
couldn't we gaff?
couldn't you gaff?
couldn't they gaff? 	couldn't I be gaffing?
couldn't you be gaffing?
couldn't he be gaffing?
couldn't we be gaffing?
couldn't you be gaffing?
couldn't they be gaffing? 	couldn't I have gaffed?
couldn't you have gaffed?
couldn't he have gaffed?
couldn't we have gaffed?
couldn't you have gaffed?
couldn't they have gaffed? 	couldn't I have been gaffing?
couldn't you have been gaffing?
couldn't he have been gaffing?
couldn't we have been gaffing?
couldn't you have been gaffing?
couldn't they have been gaffing?