could festinate
Regular verb: festinate - festinated- festinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not festinate
you could not festinate
he could not festinate
we could not festinate
you could not festinate
they could not festinate 	I could not be festinating
you could not be festinating
he could not be festinating
we could not be festinating
you could not be festinating
they could not be festinating	I could not have festinated
you could not have festinated
he could not have festinated
we could not have festinated
you could not have festinated
they could not have festinated	I could not have been festinating
you could not have been festinating
he could not have been festinating
we could not have been festinating
you could not have been festinating
they could not have been festinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not festinate?
could you not festinate?
could he not festinate?
could we not festinate?
could you not festinate?
could they not festinate? 	could I not be festinating?
could you not be festinating?
could he not be festinating?
could we not be festinating?
could you not be festinating?
could they not be festinating? 	could I not have festinated?
could you not have festinated?
could he not have festinated?
could we not have festinated?
could you not have festinated?
could they not have festinated? 	could I not have been festinating?
could you not have been festinating?
could he not have been festinating?
could we not have been festinating?
could you not have been festinating?
could they not have been festinating?