English verb conjugation
MUST TONG

Regular verb: tong - tonged - tonged

Affirmation

Simple form	V-ing form
I must tong you must tong she must tong we must tong you must tong they must tong	I must be tonging you must be tonging she must be tonging we must be tonging you must be tonging they must be tonging
Perfect	V-ing perfect
I must have tonged you must have tonged she must have tonged we must have tonged you must have tonged they must have tonged	I must have been tonging you must have been tonging she must have been tonging we must have been tonging you must have been tonging they must have been tonging

Negation

Simple form	V-ing form
I mustn't tong you mustn't tong she mustn't tong we mustn't tong you mustn't tong they mustn't tong	I mustn't be tonging you mustn't be tonging she mustn't be tonging we mustn't be tonging you mustn't be tonging they mustn't be tonging
Perfect	V-ing perfect
I mustn't have tonged you mustn't have tonged she mustn't have tonged we mustn't have tonged you mustn't have tonged they mustn't have tonged	I mustn't have been tonging you mustn't have been tonging she mustn't have been tonging we mustn't have been tonging you mustn't have been tonging they mustn't have been tonging

Interrogative form

Simple form	V-ing form
must I tong? must you tong? must she tong? must we tong? must you tong? must they tong?	must I be tonging? must you be tonging? must she be tonging? must we be tonging? must you be tonging? must they be tonging?
Perfect	V-ing perfect
must I have tonged? must you have tonged? must she have tonged? must we have tonged? must you have tonged? must they have tonged?	must I have been tonging? must you have been tonging? must she have been tonging? must we have been tonging? must you have been tonging? must they have been tonging?

Interro-negative form

Simple form	V-ing form
mustn't I tong? mustn't you tong? mustn't she tong? mustn't we tong? mustn't you tong? mustn't they tong?	mustn't I be tonging? mustn't you be tonging? mustn't she be tonging? mustn't we be tonging? mustn't you be tonging? mustn't they be tonging?
Perfect	V-ing perfect
mustn't I have tonged? mustn't you have tonged? mustn't she have tonged? mustn't we have tonged? mustn't you have tonged? mustn't they have tonged?	mustn't I have been tonging? mustn't you have been tonging? mustn't she have been tonging? mustn't we have been tonging? mustn't you have been tonging? mustn't they have been tonging?