English verb conjugation
MUST FAM

Regular verb: fam - famed - famed

Affirmation

Simple form	V-ing form
I must fam you must fam he must fam we must fam you must fam they must fam	I must be faming you must be faming he must be faming we must be faming you must be faming they must be faming
Perfect	V-ing perfect
I must have famed you must have famed he must have famed we must have famed you must have famed they must have famed	I must have been faming you must have been faming he must have been faming we must have been faming you must have been faming they must have been faming

Negation

Simple form	V-ing form
I mustn't fam you mustn't fam he mustn't fam we mustn't fam you mustn't fam they mustn't fam	I mustn't be faming you mustn't be faming he mustn't be faming we mustn't be faming you mustn't be faming they mustn't be faming
Perfect	V-ing perfect
I mustn't have famed you mustn't have famed he mustn't have famed we mustn't have famed you mustn't have famed they mustn't have famed	I mustn't have been faming you mustn't have been faming he mustn't have been faming we mustn't have been faming you mustn't have been faming they mustn't have been faming

Interrogative form

Simple form	V-ing form
must I fam? must you fam? must he fam? must we fam? must you fam? must they fam?	must I be faming? must you be faming? must he be faming? must we be faming? must you be faming? must they be faming?
Perfect	V-ing perfect
must I have famed? must you have famed? must he have famed? must we have famed? must you have famed? must they have famed?	must I have been faming? must you have been faming? must he have been faming? must we have been faming? must you have been faming? must they have been faming?

Interro-negative form

Simple form	V-ing form
mustn't I fam? mustn't you fam? mustn't he fam? mustn't we fam? mustn't you fam? mustn't they fam?	mustn't I be faming? mustn't you be faming? mustn't he be faming? mustn't we be faming? mustn't you be faming? mustn't they be faming?
Perfect	V-ing perfect
mustn't I have famed? mustn't you have famed? mustn't he have famed? mustn't we have famed? mustn't you have famed? mustn't they have famed?	mustn't I have been faming? mustn't you have been faming? mustn't he have been faming? mustn't we have been faming? mustn't you have been faming? mustn't they have been faming?