English verb conjugation
MUST VIBRATE

Regular verb: vibrate - vibrated - vibrated

Affirmation

Simple form	V-ing form
I must vibrate you must vibrate he must vibrate we must vibrate you must vibrate they must vibrate	I must be vibrating you must be vibrating he must be vibrating we must be vibrating you must be vibrating they must be vibrating
Perfect	V-ing perfect
I must have vibrated you must have vibrated he must have vibrated we must have vibrated you must have vibrated they must have vibrated	I must have been vibrating you must have been vibrating he must have been vibrating we must have been vibrating you must have been vibrating they must have been vibrating

Negation

Simple form	V-ing form
I must not vibrate you must not vibrate he must not vibrate we must not vibrate you must not vibrate they must not vibrate	I must not be vibrating you must not be vibrating he must not be vibrating we must not be vibrating you must not be vibrating they must not be vibrating
Perfect	V-ing perfect
I must not have vibrated you must not have vibrated he must not have vibrated we must not have vibrated you must not have vibrated they must not have vibrated	I must not have been vibrating you must not have been vibrating he must not have been vibrating we must not have been vibrating you must not have been vibrating they must not have been vibrating

Interrogative form

Simple form	V-ing form
must I vibrate? must you vibrate? must he vibrate? must we vibrate? must you vibrate? must they vibrate?	must I be vibrating? must you be vibrating? must he be vibrating? must we be vibrating? must you be vibrating? must they be vibrating?
Perfect	V-ing perfect
must I have vibrated? must you have vibrated? must he have vibrated? must we have vibrated? must you have vibrated? must they have vibrated?	must I have been vibrating? must you have been vibrating? must he have been vibrating? must we have been vibrating? must you have been vibrating? must they have been vibrating?

Interro-negative form

Simple form	V-ing form
must I not vibrate? must you not vibrate? must he not vibrate? must we not vibrate? must you not vibrate? must they not vibrate?	must I not be vibrating? must you not be vibrating? must he not be vibrating? must we not be vibrating? must you not be vibrating? must they not be vibrating?
Perfect	V-ing perfect
must I not have vibrated? must you not have vibrated? must he not have vibrated? must we not have vibrated? must you not have vibrated? must they not have vibrated?	must I not have been vibrating? must you not have been vibrating? must he not have been vibrating? must we not have been vibrating? must you not have been vibrating? must they not have been vibrating?