could festinate
Verbe régulier : festinate - festinated- festinated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could festinate
you could festinate
he could festinate
we could festinate
you could festinate
they could festinate 	I could be festinating
you could be festinating
he could be festinating
we could be festinating
you could be festinating
they could be festinating	I could have festinated
you could have festinated
he could have festinated
we could have festinated
you could have festinated
they could have festinated	I could have been festinating
you could have been festinating
he could have been festinating
we could have been festinating
you could have been festinating
they could have been festinating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't festinate
you couldn't festinate
he couldn't festinate
we couldn't festinate
you couldn't festinate
they couldn't festinate 	I couldn't be festinating
you couldn't be festinating
he couldn't be festinating
we couldn't be festinating
you couldn't be festinating
they couldn't be festinating	I couldn't have festinated
you couldn't have festinated
he couldn't have festinated
we couldn't have festinated
you couldn't have festinated
they couldn't have festinated	I couldn't have been festinating
you couldn't have been festinating
he couldn't have been festinating
we couldn't have been festinating
you couldn't have been festinating
they couldn't have been festinating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I festinate?
could you festinate?
could he festinate?
could we festinate?
could you festinate?
could they festinate? 	could I be festinating?
could you be festinating?
could he be festinating?
could we be festinating?
could you be festinating?
could they be festinating? 	could I have festinated?
could you have festinated?
could he have festinated?
could we have festinated?
could you have festinated?
could they have festinated? 	could I have been festinating?
could you have been festinating?
could he have been festinating?
could we have been festinating?
could you have been festinating?
could they have been festinating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I festinate?
couldn't you festinate?
couldn't he festinate?
couldn't we festinate?
couldn't you festinate?
couldn't they festinate? 	couldn't I be festinating?
couldn't you be festinating?
couldn't he be festinating?
couldn't we be festinating?
couldn't you be festinating?
couldn't they be festinating? 	couldn't I have festinated?
couldn't you have festinated?
couldn't he have festinated?
couldn't we have festinated?
couldn't you have festinated?
couldn't they have festinated? 	couldn't I have been festinating?
couldn't you have been festinating?
couldn't he have been festinating?
couldn't we have been festinating?
couldn't you have been festinating?
couldn't they have been festinating?