English verb conjugation
MUST MULLION

Regular verb: mullion - mullioned - mullioned

Affirmation

Simple form	V-ing form
I must mullion you must mullion he must mullion we must mullion you must mullion they must mullion	I must be mullioning you must be mullioning he must be mullioning we must be mullioning you must be mullioning they must be mullioning
Perfect	V-ing perfect
I must have mullioned you must have mullioned he must have mullioned we must have mullioned you must have mullioned they must have mullioned	I must have been mullioning you must have been mullioning he must have been mullioning we must have been mullioning you must have been mullioning they must have been mullioning

Negation

Simple form	V-ing form
I must not mullion you must not mullion he must not mullion we must not mullion you must not mullion they must not mullion	I must not be mullioning you must not be mullioning he must not be mullioning we must not be mullioning you must not be mullioning they must not be mullioning
Perfect	V-ing perfect
I must not have mullioned you must not have mullioned he must not have mullioned we must not have mullioned you must not have mullioned they must not have mullioned	I must not have been mullioning you must not have been mullioning he must not have been mullioning we must not have been mullioning you must not have been mullioning they must not have been mullioning

Interrogative form

Simple form	V-ing form
must I mullion? must you mullion? must he mullion? must we mullion? must you mullion? must they mullion?	must I be mullioning? must you be mullioning? must he be mullioning? must we be mullioning? must you be mullioning? must they be mullioning?
Perfect	V-ing perfect
must I have mullioned? must you have mullioned? must he have mullioned? must we have mullioned? must you have mullioned? must they have mullioned?	must I have been mullioning? must you have been mullioning? must he have been mullioning? must we have been mullioning? must you have been mullioning? must they have been mullioning?

Interro-negative form

Simple form	V-ing form
must I not mullion? must you not mullion? must he not mullion? must we not mullion? must you not mullion? must they not mullion?	must I not be mullioning? must you not be mullioning? must he not be mullioning? must we not be mullioning? must you not be mullioning? must they not be mullioning?
Perfect	V-ing perfect
must I not have mullioned? must you not have mullioned? must he not have mullioned? must we not have mullioned? must you not have mullioned? must they not have mullioned?	must I not have been mullioning? must you not have been mullioning? must he not have been mullioning? must we not have been mullioning? must you not have been mullioning? must they not have been mullioning?