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 must not lustrate you must not lustrate he must not lustrate we must not lustrate you must not lustrate they must not lustrate	I must not be lustrating you must not be lustrating he must not be lustrating we must not be lustrating you must not be lustrating they must not be lustrating
Perfect	V-ing perfect
I must not have lustrated you must not have lustrated he must not have lustrated we must not have lustrated you must not have lustrated they must not have lustrated	I must not have been lustrating you must not have been lustrating he must not have been lustrating we must not have been lustrating you must not have been lustrating they must not 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
must I not lustrate? must you not lustrate? must he not lustrate? must we not lustrate? must you not lustrate? must they not lustrate?	must I not be lustrating? must you not be lustrating? must he not be lustrating? must we not be lustrating? must you not be lustrating? must they not be lustrating?
Perfect	V-ing perfect
must I not have lustrated? must you not have lustrated? must he not have lustrated? must we not have lustrated? must you not have lustrated? must they not have lustrated?	must I not have been lustrating? must you not have been lustrating? must he not have been lustrating? must we not have been lustrating? must you not have been lustrating? must they not have been lustrating?