could cog
Verbe régulier : cog - coged- coged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could cog
you could cog
he could cog
we could cog
you could cog
they could cog 	I could be coging
you could be coging
he could be coging
we could be coging
you could be coging
they could be coging	I could have coged
you could have coged
he could have coged
we could have coged
you could have coged
they could have coged	I could have been coging
you could have been coging
he could have been coging
we could have been coging
you could have been coging
they could have been coging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't cog
you couldn't cog
he couldn't cog
we couldn't cog
you couldn't cog
they couldn't cog 	I couldn't be coging
you couldn't be coging
he couldn't be coging
we couldn't be coging
you couldn't be coging
they couldn't be coging	I couldn't have coged
you couldn't have coged
he couldn't have coged
we couldn't have coged
you couldn't have coged
they couldn't have coged	I couldn't have been coging
you couldn't have been coging
he couldn't have been coging
we couldn't have been coging
you couldn't have been coging
they couldn't have been coging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I cog?
could you cog?
could he cog?
could we cog?
could you cog?
could they cog? 	could I be coging?
could you be coging?
could he be coging?
could we be coging?
could you be coging?
could they be coging? 	could I have coged?
could you have coged?
could he have coged?
could we have coged?
could you have coged?
could they have coged? 	could I have been coging?
could you have been coging?
could he have been coging?
could we have been coging?
could you have been coging?
could they have been coging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I cog?
couldn't you cog?
couldn't he cog?
couldn't we cog?
couldn't you cog?
couldn't they cog? 	couldn't I be coging?
couldn't you be coging?
couldn't he be coging?
couldn't we be coging?
couldn't you be coging?
couldn't they be coging? 	couldn't I have coged?
couldn't you have coged?
couldn't he have coged?
couldn't we have coged?
couldn't you have coged?
couldn't they have coged? 	couldn't I have been coging?
couldn't you have been coging?
couldn't he have been coging?
couldn't we have been coging?
couldn't you have been coging?
couldn't they have been coging?