English verb conjugation
MUST GONG

Regular verb: gong - gonged - gonged

Affirmation

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

Negation

Simple form	V-ing form
I mustn't gong you mustn't gong she mustn't gong we mustn't gong you mustn't gong they mustn't gong	I mustn't be gonging you mustn't be gonging she mustn't be gonging we mustn't be gonging you mustn't be gonging they mustn't be gonging
Perfect	V-ing perfect
I mustn't have gonged you mustn't have gonged she mustn't have gonged we mustn't have gonged you mustn't have gonged they mustn't have gonged	I mustn't have been gonging you mustn't have been gonging she mustn't have been gonging we mustn't have been gonging you mustn't have been gonging they mustn't have been gonging

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mustn't I gong? mustn't you gong? mustn't she gong? mustn't we gong? mustn't you gong? mustn't they gong?	mustn't I be gonging? mustn't you be gonging? mustn't she be gonging? mustn't we be gonging? mustn't you be gonging? mustn't they be gonging?
Perfect	V-ing perfect
mustn't I have gonged? mustn't you have gonged? mustn't she have gonged? mustn't we have gonged? mustn't you have gonged? mustn't they have gonged?	mustn't I have been gonging? mustn't you have been gonging? mustn't she have been gonging? mustn't we have been gonging? mustn't you have been gonging? mustn't they have been gonging?