I must light you must light she must light we must light you must light they must light
Forma con V-ing
I must be lighting you must be lighting she must be lighting we must be lighting you must be lighting they must be lighting
Perfecto
I must have lit you must have lit she must have lit we must have lit you must have lit they must have lit
Perfecto con V-ing
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
Negación
Forma simple
I mustn't light you mustn't light she mustn't light we mustn't light you mustn't light they mustn't light
Forma con V-ing
I mustn't be lighting you mustn't be lighting she mustn't be lighting we mustn't be lighting you mustn't be lighting they mustn't be lighting
Perfecto
I mustn't have lit you mustn't have lit she mustn't have lit we mustn't have lit you mustn't have lit they mustn't have lit
Perfecto con V-ing
I mustn't have been lighting you mustn't have been lighting she mustn't have been lighting we mustn't have been lighting you mustn't have been lighting they mustn't have been lighting
Forma interrogativa
Forma simple
must I light? must you light? must she light? must we light? must you light? must they light?
Forma con V-ing
must I be lighting? must you be lighting? must she be lighting? must we be lighting? must you be lighting? must they be lighting?
Perfecto
must I have lit? must you have lit? must she have lit? must we have lit? must you have lit? must they have lit?
Perfecto con V-ing
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-negativa
Forma simple
mustn't I light? mustn't you light? mustn't she light? mustn't we light? mustn't you light? mustn't they light?
Forma con V-ing
mustn't I be lighting? mustn't you be lighting? mustn't she be lighting? mustn't we be lighting? mustn't you be lighting? mustn't they be lighting?
Perfecto
mustn't I have lit? mustn't you have lit? mustn't she have lit? mustn't we have lit? mustn't you have lit? mustn't they have lit?
Perfecto con V-ing
mustn't I have been lighting? mustn't you have been lighting? mustn't she have been lighting? mustn't we have been lighting? mustn't you have been lighting? mustn't they have been lighting?