English verb conjugation
MUST GAM

Regular verb: gam - gamed - gamed

Affirmation

Simple form	V-ing form
I must gam you must gam he must gam we must gam you must gam they must gam	I must be gaming you must be gaming he must be gaming we must be gaming you must be gaming they must be gaming
Perfect	V-ing perfect
I must have gamed you must have gamed he must have gamed we must have gamed you must have gamed they must have gamed	I must have been gaming you must have been gaming he must have been gaming we must have been gaming you must have been gaming they must have been gaming

Negation

Simple form	V-ing form
I mustn't gam you mustn't gam he mustn't gam we mustn't gam you mustn't gam they mustn't gam	I mustn't be gaming you mustn't be gaming he mustn't be gaming we mustn't be gaming you mustn't be gaming they mustn't be gaming
Perfect	V-ing perfect
I mustn't have gamed you mustn't have gamed he mustn't have gamed we mustn't have gamed you mustn't have gamed they mustn't have gamed	I mustn't have been gaming you mustn't have been gaming he mustn't have been gaming we mustn't have been gaming you mustn't have been gaming they mustn't have been gaming

Interrogative form

Simple form	V-ing form
must I gam? must you gam? must he gam? must we gam? must you gam? must they gam?	must I be gaming? must you be gaming? must he be gaming? must we be gaming? must you be gaming? must they be gaming?
Perfect	V-ing perfect
must I have gamed? must you have gamed? must he have gamed? must we have gamed? must you have gamed? must they have gamed?	must I have been gaming? must you have been gaming? must he have been gaming? must we have been gaming? must you have been gaming? must they have been gaming?

Interro-negative form

Simple form	V-ing form
mustn't I gam? mustn't you gam? mustn't he gam? mustn't we gam? mustn't you gam? mustn't they gam?	mustn't I be gaming? mustn't you be gaming? mustn't he be gaming? mustn't we be gaming? mustn't you be gaming? mustn't they be gaming?
Perfect	V-ing perfect
mustn't I have gamed? mustn't you have gamed? mustn't he have gamed? mustn't we have gamed? mustn't you have gamed? mustn't they have gamed?	mustn't I have been gaming? mustn't you have been gaming? mustn't he have been gaming? mustn't we have been gaming? mustn't you have been gaming? mustn't they have been gaming?