English verb conjugation
MUST BACKLIGHT

Irregular verb: backlight - backlit - backlit

Affirmation

Simple form	V-ing form
I must backlight you must backlight he must backlight we must backlight you must backlight they must backlight	I must be backlighting you must be backlighting he must be backlighting we must be backlighting you must be backlighting they must be backlighting
Perfect	V-ing perfect
I must have backlit you must have backlit he must have backlit we must have backlit you must have backlit they must have backlit	I must have been backlighting you must have been backlighting he must have been backlighting we must have been backlighting you must have been backlighting they must have been backlighting

Negation

Simple form	V-ing form
I mustn't backlight you mustn't backlight he mustn't backlight we mustn't backlight you mustn't backlight they mustn't backlight	I mustn't be backlighting you mustn't be backlighting he mustn't be backlighting we mustn't be backlighting you mustn't be backlighting they mustn't be backlighting
Perfect	V-ing perfect
I mustn't have backlit you mustn't have backlit he mustn't have backlit we mustn't have backlit you mustn't have backlit they mustn't have backlit	I mustn't have been backlighting you mustn't have been backlighting he mustn't have been backlighting we mustn't have been backlighting you mustn't have been backlighting they mustn't have been backlighting

Interrogative form

Simple form	V-ing form
must I backlight? must you backlight? must he backlight? must we backlight? must you backlight? must they backlight?	must I be backlighting? must you be backlighting? must he be backlighting? must we be backlighting? must you be backlighting? must they be backlighting?
Perfect	V-ing perfect
must I have backlit? must you have backlit? must he have backlit? must we have backlit? must you have backlit? must they have backlit?	must I have been backlighting? must you have been backlighting? must he have been backlighting? must we have been backlighting? must you have been backlighting? must they have been backlighting?

Interro-negative form

Simple form	V-ing form
mustn't I backlight? mustn't you backlight? mustn't he backlight? mustn't we backlight? mustn't you backlight? mustn't they backlight?	mustn't I be backlighting? mustn't you be backlighting? mustn't he be backlighting? mustn't we be backlighting? mustn't you be backlighting? mustn't they be backlighting?
Perfect	V-ing perfect
mustn't I have backlit? mustn't you have backlit? mustn't he have backlit? mustn't we have backlit? mustn't you have backlit? mustn't they have backlit?	mustn't I have been backlighting? mustn't you have been backlighting? mustn't he have been backlighting? mustn't we have been backlighting? mustn't you have been backlighting? mustn't they have been backlighting?