English verb conjugation
COULD FESTINATE

Regular verb: festinate - festinated - festinated

Affirmation

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

Interrogative form

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