English verb conjugation
MUST LUSTRATE

Regular verb: lustrate - lustrated - lustrated

Affirmation

Simple form	V-ing form
I must lustrate you must lustrate he must lustrate we must lustrate you must lustrate they must lustrate	I must be lustrating you must be lustrating he must be lustrating we must be lustrating you must be lustrating they must be lustrating
Perfect	V-ing perfect
I must have lustrated you must have lustrated he must have lustrated we must have lustrated you must have lustrated they must have lustrated	I must have been lustrating you must have been lustrating he must have been lustrating we must have been lustrating you must have been lustrating they must have been lustrating

Negation

Simple form	V-ing form
I mustn't lustrate you mustn't lustrate he mustn't lustrate we mustn't lustrate you mustn't lustrate they mustn't lustrate	I mustn't be lustrating you mustn't be lustrating he mustn't be lustrating we mustn't be lustrating you mustn't be lustrating they mustn't be lustrating
Perfect	V-ing perfect
I mustn't have lustrated you mustn't have lustrated he mustn't have lustrated we mustn't have lustrated you mustn't have lustrated they mustn't have lustrated	I mustn't have been lustrating you mustn't have been lustrating he mustn't have been lustrating we mustn't have been lustrating you mustn't have been lustrating they mustn't have been lustrating

Interrogative form

Simple form	V-ing form
must I lustrate? must you lustrate? must he lustrate? must we lustrate? must you lustrate? must they lustrate?	must I be lustrating? must you be lustrating? must he be lustrating? must we be lustrating? must you be lustrating? must they be lustrating?
Perfect	V-ing perfect
must I have lustrated? must you have lustrated? must he have lustrated? must we have lustrated? must you have lustrated? must they have lustrated?	must I have been lustrating? must you have been lustrating? must he have been lustrating? must we have been lustrating? must you have been lustrating? must they have been lustrating?

Interro-negative form

Simple form	V-ing form
mustn't I lustrate? mustn't you lustrate? mustn't he lustrate? mustn't we lustrate? mustn't you lustrate? mustn't they lustrate?	mustn't I be lustrating? mustn't you be lustrating? mustn't he be lustrating? mustn't we be lustrating? mustn't you be lustrating? mustn't they be lustrating?
Perfect	V-ing perfect
mustn't I have lustrated? mustn't you have lustrated? mustn't he have lustrated? mustn't we have lustrated? mustn't you have lustrated? mustn't they have lustrated?	mustn't I have been lustrating? mustn't you have been lustrating? mustn't he have been lustrating? mustn't we have been lustrating? mustn't you have been lustrating? mustn't they have been lustrating?