English verb conjugation
MUST RIGIDIFY

Regular verb: rigidify - rigidified - rigidified

Affirmation

Simple form	V-ing form
I must rigidify you must rigidify she must rigidify we must rigidify you must rigidify they must rigidify	I must be rigidifying you must be rigidifying she must be rigidifying we must be rigidifying you must be rigidifying they must be rigidifying
Perfect	V-ing perfect
I must have rigidified you must have rigidified she must have rigidified we must have rigidified you must have rigidified they must have rigidified	I must have been rigidifying you must have been rigidifying she must have been rigidifying we must have been rigidifying you must have been rigidifying they must have been rigidifying

Negation

Simple form	V-ing form
I must not rigidify you must not rigidify she must not rigidify we must not rigidify you must not rigidify they must not rigidify	I must not be rigidifying you must not be rigidifying she must not be rigidifying we must not be rigidifying you must not be rigidifying they must not be rigidifying
Perfect	V-ing perfect
I must not have rigidified you must not have rigidified she must not have rigidified we must not have rigidified you must not have rigidified they must not have rigidified	I must not have been rigidifying you must not have been rigidifying she must not have been rigidifying we must not have been rigidifying you must not have been rigidifying they must not have been rigidifying

Interrogative form

Simple form	V-ing form
must I rigidify? must you rigidify? must she rigidify? must we rigidify? must you rigidify? must they rigidify?	must I be rigidifying? must you be rigidifying? must she be rigidifying? must we be rigidifying? must you be rigidifying? must they be rigidifying?
Perfect	V-ing perfect
must I have rigidified? must you have rigidified? must she have rigidified? must we have rigidified? must you have rigidified? must they have rigidified?	must I have been rigidifying? must you have been rigidifying? must she have been rigidifying? must we have been rigidifying? must you have been rigidifying? must they have been rigidifying?

Interro-negative form

Simple form	V-ing form
must I not rigidify? must you not rigidify? must she not rigidify? must we not rigidify? must you not rigidify? must they not rigidify?	must I not be rigidifying? must you not be rigidifying? must she not be rigidifying? must we not be rigidifying? must you not be rigidifying? must they not be rigidifying?
Perfect	V-ing perfect
must I not have rigidified? must you not have rigidified? must she not have rigidified? must we not have rigidified? must you not have rigidified? must they not have rigidified?	must I not have been rigidifying? must you not have been rigidifying? must she not have been rigidifying? must we not have been rigidifying? must you not have been rigidifying? must they not have been rigidifying?