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
she could festinate
we could festinate
you could festinate
they could festinate 	I could be festinating
you could be festinating
she could be festinating
we could be festinating
you could be festinating
they could be festinating	I could have festinated
you could have festinated
she 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
she 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
she 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
she 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
she 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
she 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 she festinate?
could we festinate?
could you festinate?
could they festinate? 	could I be festinating?
could you be festinating?
could she be festinating?
could we be festinating?
could you be festinating?
could they be festinating? 	could I have festinated?
could you have festinated?
could she 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 she 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 she 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 she 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 she 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 she have been festinating?
couldn't we have been festinating?
couldn't you have been festinating?
couldn't they have been festinating?