English verb conjugation
COULD PRONG

Regular verb: prong - pronged - pronged

Affirmation

Simple form	V-ing form
I could prong you could prong she could prong we could prong you could prong they could prong	I could be pronging you could be pronging she could be pronging we could be pronging you could be pronging they could be pronging
Perfect	V-ing perfect
I could have pronged you could have pronged she could have pronged we could have pronged you could have pronged they could have pronged	I could have been pronging you could have been pronging she could have been pronging we could have been pronging you could have been pronging they could have been pronging

Negation

Simple form	V-ing form
I could not prong you could not prong she could not prong we could not prong you could not prong they could not prong	I could not be pronging you could not be pronging she could not be pronging we could not be pronging you could not be pronging they could not be pronging
Perfect	V-ing perfect
I could not have pronged you could not have pronged she could not have pronged we could not have pronged you could not have pronged they could not have pronged	I could not have been pronging you could not have been pronging she could not have been pronging we could not have been pronging you could not have been pronging they could not have been pronging

Interrogative form

Simple form	V-ing form
could I prong? could you prong? could she prong? could we prong? could you prong? could they prong?	could I be pronging? could you be pronging? could she be pronging? could we be pronging? could you be pronging? could they be pronging?
Perfect	V-ing perfect
could I have pronged? could you have pronged? could she have pronged? could we have pronged? could you have pronged? could they have pronged?	could I have been pronging? could you have been pronging? could she have been pronging? could we have been pronging? could you have been pronging? could they have been pronging?

Interro-negative form

Simple form	V-ing form
could I not prong? could you not prong? could she not prong? could we not prong? could you not prong? could they not prong?	could I not be pronging? could you not be pronging? could she not be pronging? could we not be pronging? could you not be pronging? could they not be pronging?
Perfect	V-ing perfect
could I not have pronged? could you not have pronged? could she not have pronged? could we not have pronged? could you not have pronged? could they not have pronged?	could I not have been pronging? could you not have been pronging? could she not have been pronging? could we not have been pronging? could you not have been pronging? could they not have been pronging?