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 mustn't vibrate you mustn't vibrate he mustn't vibrate we mustn't vibrate you mustn't vibrate they mustn't vibrate	I mustn't be vibrating you mustn't be vibrating he mustn't be vibrating we mustn't be vibrating you mustn't be vibrating they mustn't be vibrating
Perfect	V-ing perfect
I mustn't have vibrated you mustn't have vibrated he mustn't have vibrated we mustn't have vibrated you mustn't have vibrated they mustn't have vibrated	I mustn't have been vibrating you mustn't have been vibrating he mustn't have been vibrating we mustn't have been vibrating you mustn't have been vibrating they mustn't 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
mustn't I vibrate? mustn't you vibrate? mustn't he vibrate? mustn't we vibrate? mustn't you vibrate? mustn't they vibrate?	mustn't I be vibrating? mustn't you be vibrating? mustn't he be vibrating? mustn't we be vibrating? mustn't you be vibrating? mustn't they be vibrating?
Perfect	V-ing perfect
mustn't I have vibrated? mustn't you have vibrated? mustn't he have vibrated? mustn't we have vibrated? mustn't you have vibrated? mustn't they have vibrated?	mustn't I have been vibrating? mustn't you have been vibrating? mustn't he have been vibrating? mustn't we have been vibrating? mustn't you have been vibrating? mustn't they have been vibrating?