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 must not fam you must not fam he must not fam we must not fam you must not fam they must not fam	I must not be faming you must not be faming he must not be faming we must not be faming you must not be faming they must not be faming
Perfect	V-ing perfect
I must not have famed you must not have famed he must not have famed we must not have famed you must not have famed they must not have famed	I must not have been faming you must not have been faming he must not have been faming we must not have been faming you must not have been faming they must not 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
must I not fam? must you not fam? must he not fam? must we not fam? must you not fam? must they not fam?	must I not be faming? must you not be faming? must he not be faming? must we not be faming? must you not be faming? must they not be faming?
Perfect	V-ing perfect
must I not have famed? must you not have famed? must he not have famed? must we not have famed? must you not have famed? must they not have famed?	must I not have been faming? must you not have been faming? must he not have been faming? must we not have been faming? must you not have been faming? must they not have been faming?