must light
Verbo irregular: light - lit- lit

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must light
you must light
she must light
we must light
you must light
they must light 	I must be lighting
you must be lighting
she must be lighting
we must be lighting
you must be lighting
they must be lighting	I must have lit
you must have lit
she must have lit
we must have lit
you must have lit
they must have lit	I must have been lighting
you must have been lighting
she must have been lighting
we must have been lighting
you must have been lighting
they must have been lighting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not light
you must not light
she must not light
we must not light
you must not light
they must not light 	I must not be lighting
you must not be lighting
she must not be lighting
we must not be lighting
you must not be lighting
they must not be lighting	I must not have lit
you must not have lit
she must not have lit
we must not have lit
you must not have lit
they must not have lit	I must not have been lighting
you must not have been lighting
she must not have been lighting
we must not have been lighting
you must not have been lighting
they must not have been lighting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I light?
must you light?
must she light?
must we light?
must you light?
must they light? 	must I be lighting?
must you be lighting?
must she be lighting?
must we be lighting?
must you be lighting?
must they be lighting? 	must I have lit?
must you have lit?
must she have lit?
must we have lit?
must you have lit?
must they have lit? 	must I have been lighting?
must you have been lighting?
must she have been lighting?
must we have been lighting?
must you have been lighting?
must they have been lighting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not light?
must you not light?
must she not light?
must we not light?
must you not light?
must they not light? 	must I not be lighting?
must you not be lighting?
must she not be lighting?
must we not be lighting?
must you not be lighting?
must they not be lighting? 	must I not have lit?
must you not have lit?
must she not have lit?
must we not have lit?
must you not have lit?
must they not have lit? 	must I not have been lighting?
must you not have been lighting?
must she not have been lighting?
must we not have been lighting?
must you not have been lighting?
must they not have been lighting?