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 could not gaff
you could not gaff
he could not gaff
we could not gaff
you could not gaff
they could not gaff 	I could not be gaffing
you could not be gaffing
he could not be gaffing
we could not be gaffing
you could not be gaffing
they could not be gaffing	I could not have gaffed
you could not have gaffed
he could not have gaffed
we could not have gaffed
you could not have gaffed
they could not have gaffed	I could not have been gaffing
you could not have been gaffing
he could not have been gaffing
we could not have been gaffing
you could not have been gaffing
they could not 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 	
could I not gaff?
could you not gaff?
could he not gaff?
could we not gaff?
could you not gaff?
could they not gaff? 	could I not be gaffing?
could you not be gaffing?
could he not be gaffing?
could we not be gaffing?
could you not be gaffing?
could they not be gaffing? 	could I not have gaffed?
could you not have gaffed?
could he not have gaffed?
could we not have gaffed?
could you not have gaffed?
could they not have gaffed? 	could I not have been gaffing?
could you not have been gaffing?
could he not have been gaffing?
could we not have been gaffing?
could you not have been gaffing?
could they not have been gaffing?