could gulf
Verbe régulier : gulf - gulfed- gulfed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could gulf
you could gulf
he could gulf
we could gulf
you could gulf
they could gulf 	I could be gulfing
you could be gulfing
he could be gulfing
we could be gulfing
you could be gulfing
they could be gulfing	I could have gulfed
you could have gulfed
he could have gulfed
we could have gulfed
you could have gulfed
they could have gulfed	I could have been gulfing
you could have been gulfing
he could have been gulfing
we could have been gulfing
you could have been gulfing
they could have been gulfing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not gulf
you could not gulf
he could not gulf
we could not gulf
you could not gulf
they could not gulf 	I could not be gulfing
you could not be gulfing
he could not be gulfing
we could not be gulfing
you could not be gulfing
they could not be gulfing	I could not have gulfed
you could not have gulfed
he could not have gulfed
we could not have gulfed
you could not have gulfed
they could not have gulfed	I could not have been gulfing
you could not have been gulfing
he could not have been gulfing
we could not have been gulfing
you could not have been gulfing
they could not have been gulfing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I gulf?
could you gulf?
could he gulf?
could we gulf?
could you gulf?
could they gulf? 	could I be gulfing?
could you be gulfing?
could he be gulfing?
could we be gulfing?
could you be gulfing?
could they be gulfing? 	could I have gulfed?
could you have gulfed?
could he have gulfed?
could we have gulfed?
could you have gulfed?
could they have gulfed? 	could I have been gulfing?
could you have been gulfing?
could he have been gulfing?
could we have been gulfing?
could you have been gulfing?
could they have been gulfing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not gulf?
could you not gulf?
could he not gulf?
could we not gulf?
could you not gulf?
could they not gulf? 	could I not be gulfing?
could you not be gulfing?
could he not be gulfing?
could we not be gulfing?
could you not be gulfing?
could they not be gulfing? 	could I not have gulfed?
could you not have gulfed?
could he not have gulfed?
could we not have gulfed?
could you not have gulfed?
could they not have gulfed? 	could I not have been gulfing?
could you not have been gulfing?
could he not have been gulfing?
could we not have been gulfing?
could you not have been gulfing?
could they not have been gulfing?