English verb conjugation
MUST VITALIZE

Regular verb: vitalize - vitalized - vitalized

Affirmation

Simple form	V-ing form
I must vitalize you must vitalize he must vitalize we must vitalize you must vitalize they must vitalize	I must be vitalizing you must be vitalizing he must be vitalizing we must be vitalizing you must be vitalizing they must be vitalizing
Perfect	V-ing perfect
I must have vitalized you must have vitalized he must have vitalized we must have vitalized you must have vitalized they must have vitalized	I must have been vitalizing you must have been vitalizing he must have been vitalizing we must have been vitalizing you must have been vitalizing they must have been vitalizing

Negation

Simple form	V-ing form
I must not vitalize you must not vitalize he must not vitalize we must not vitalize you must not vitalize they must not vitalize	I must not be vitalizing you must not be vitalizing he must not be vitalizing we must not be vitalizing you must not be vitalizing they must not be vitalizing
Perfect	V-ing perfect
I must not have vitalized you must not have vitalized he must not have vitalized we must not have vitalized you must not have vitalized they must not have vitalized	I must not have been vitalizing you must not have been vitalizing he must not have been vitalizing we must not have been vitalizing you must not have been vitalizing they must not have been vitalizing

Interrogative form

Simple form	V-ing form
must I vitalize? must you vitalize? must he vitalize? must we vitalize? must you vitalize? must they vitalize?	must I be vitalizing? must you be vitalizing? must he be vitalizing? must we be vitalizing? must you be vitalizing? must they be vitalizing?
Perfect	V-ing perfect
must I have vitalized? must you have vitalized? must he have vitalized? must we have vitalized? must you have vitalized? must they have vitalized?	must I have been vitalizing? must you have been vitalizing? must he have been vitalizing? must we have been vitalizing? must you have been vitalizing? must they have been vitalizing?

Interro-negative form

Simple form	V-ing form
must I not vitalize? must you not vitalize? must he not vitalize? must we not vitalize? must you not vitalize? must they not vitalize?	must I not be vitalizing? must you not be vitalizing? must he not be vitalizing? must we not be vitalizing? must you not be vitalizing? must they not be vitalizing?
Perfect	V-ing perfect
must I not have vitalized? must you not have vitalized? must he not have vitalized? must we not have vitalized? must you not have vitalized? must they not have vitalized?	must I not have been vitalizing? must you not have been vitalizing? must he not have been vitalizing? must we not have been vitalizing? must you not have been vitalizing? must they not have been vitalizing?