English verb conjugation
COULD GONG

Regular verb: gong - gonged - gonged

Affirmation

Simple form	V-ing form
I could gong you could gong he could gong we could gong you could gong they could gong	I could be gonging you could be gonging he could be gonging we could be gonging you could be gonging they could be gonging
Perfect	V-ing perfect
I could have gonged you could have gonged he could have gonged we could have gonged you could have gonged they could have gonged	I could have been gonging you could have been gonging he could have been gonging we could have been gonging you could have been gonging they could have been gonging

Negation

Simple form	V-ing form
I could not gong you could not gong he could not gong we could not gong you could not gong they could not gong	I could not be gonging you could not be gonging he could not be gonging we could not be gonging you could not be gonging they could not be gonging
Perfect	V-ing perfect
I could not have gonged you could not have gonged he could not have gonged we could not have gonged you could not have gonged they could not have gonged	I could not have been gonging you could not have been gonging he could not have been gonging we could not have been gonging you could not have been gonging they could not have been gonging

Interrogative form

Simple form	V-ing form
could I gong? could you gong? could he gong? could we gong? could you gong? could they gong?	could I be gonging? could you be gonging? could he be gonging? could we be gonging? could you be gonging? could they be gonging?
Perfect	V-ing perfect
could I have gonged? could you have gonged? could he have gonged? could we have gonged? could you have gonged? could they have gonged?	could I have been gonging? could you have been gonging? could he have been gonging? could we have been gonging? could you have been gonging? could they have been gonging?

Interro-negative form

Simple form	V-ing form
could I not gong? could you not gong? could he not gong? could we not gong? could you not gong? could they not gong?	could I not be gonging? could you not be gonging? could he not be gonging? could we not be gonging? could you not be gonging? could they not be gonging?
Perfect	V-ing perfect
could I not have gonged? could you not have gonged? could he not have gonged? could we not have gonged? could you not have gonged? could they not have gonged?	could I not have been gonging? could you not have been gonging? could he not have been gonging? could we not have been gonging? could you not have been gonging? could they not have been gonging?