English verb conjugation
MUST TONG

Regular verb: tong - tonged - tonged

Affirmation

Simple form	V-ing form
I must tong you must tong he must tong we must tong you must tong they must tong	I must be tonging you must be tonging he 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 he 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 he 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 must not tong you must not tong he must not tong we must not tong you must not tong they must not tong	I must not be tonging you must not be tonging he must not be tonging we must not be tonging you must not be tonging they must not be tonging
Perfect	V-ing perfect
I must not have tonged you must not have tonged he must not have tonged we must not have tonged you must not have tonged they must not have tonged	I must not have been tonging you must not have been tonging he must not have been tonging we must not have been tonging you must not have been tonging they must not have been tonging

Interrogative form

Simple form	V-ing form
must I tong? must you tong? must he tong? must we tong? must you tong? must they tong?	must I be tonging? must you be tonging? must he 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 he 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 he 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
must I not tong? must you not tong? must he not tong? must we not tong? must you not tong? must they not tong?	must I not be tonging? must you not be tonging? must he not be tonging? must we not be tonging? must you not be tonging? must they not be tonging?
Perfect	V-ing perfect
must I not have tonged? must you not have tonged? must he not have tonged? must we not have tonged? must you not have tonged? must they not have tonged?	must I not have been tonging? must you not have been tonging? must he not have been tonging? must we not have been tonging? must you not have been tonging? must they not have been tonging?