must backlight
Verbo irregular: backlight - backlit- backlit

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must backlight
you must backlight
she must backlight
we must backlight
you must backlight
they must backlight 	I must be backlighting
you must be backlighting
she must be backlighting
we must be backlighting
you must be backlighting
they must be backlighting	I must have backlit
you must have backlit
she 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
she must have been backlighting
we must have been backlighting
you must have been backlighting
they must have been backlighting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not backlight
you must not backlight
she must not backlight
we must not backlight
you must not backlight
they must not backlight 	I must not be backlighting
you must not be backlighting
she must not be backlighting
we must not be backlighting
you must not be backlighting
they must not be backlighting	I must not have backlit
you must not have backlit
she must not have backlit
we must not have backlit
you must not have backlit
they must not have backlit	I must not have been backlighting
you must not have been backlighting
she must not have been backlighting
we must not have been backlighting
you must not have been backlighting
they must not have been backlighting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I backlight?
must you backlight?
must she backlight?
must we backlight?
must you backlight?
must they backlight? 	must I be backlighting?
must you be backlighting?
must she be backlighting?
must we be backlighting?
must you be backlighting?
must they be backlighting? 	must I have backlit?
must you have backlit?
must she 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 she have been backlighting?
must we have been backlighting?
must you have been backlighting?
must they have been backlighting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not backlight?
must you not backlight?
must she not backlight?
must we not backlight?
must you not backlight?
must they not backlight? 	must I not be backlighting?
must you not be backlighting?
must she not be backlighting?
must we not be backlighting?
must you not be backlighting?
must they not be backlighting? 	must I not have backlit?
must you not have backlit?
must she not have backlit?
must we not have backlit?
must you not have backlit?
must they not have backlit? 	must I not have been backlighting?
must you not have been backlighting?
must she not have been backlighting?
must we not have been backlighting?
must you not have been backlighting?
must they not have been backlighting?