I must brown you must brown she must brown we must brown you must brown they must brown
Forma con V-ing
I must be browning you must be browning she must be browning we must be browning you must be browning they must be browning
Perfecto
I must have browned you must have browned she must have browned we must have browned you must have browned they must have browned
Perfecto con V-ing
I must have been browning you must have been browning she must have been browning we must have been browning you must have been browning they must have been browning
Negación
Forma simple
I must not brown you must not brown she must not brown we must not brown you must not brown they must not brown
Forma con V-ing
I must not be browning you must not be browning she must not be browning we must not be browning you must not be browning they must not be browning
Perfecto
I must not have browned you must not have browned she must not have browned we must not have browned you must not have browned they must not have browned
Perfecto con V-ing
I must not have been browning you must not have been browning she must not have been browning we must not have been browning you must not have been browning they must not have been browning
Forma interrogativa
Forma simple
must I brown? must you brown? must she brown? must we brown? must you brown? must they brown?
Forma con V-ing
must I be browning? must you be browning? must she be browning? must we be browning? must you be browning? must they be browning?
Perfecto
must I have browned? must you have browned? must she have browned? must we have browned? must you have browned? must they have browned?
Perfecto con V-ing
must I have been browning? must you have been browning? must she have been browning? must we have been browning? must you have been browning? must they have been browning?
Forma interro-negativa
Forma simple
must I not brown? must you not brown? must she not brown? must we not brown? must you not brown? must they not brown?
Forma con V-ing
must I not be browning? must you not be browning? must she not be browning? must we not be browning? must you not be browning? must they not be browning?
Perfecto
must I not have browned? must you not have browned? must she not have browned? must we not have browned? must you not have browned? must they not have browned?
Perfecto con V-ing
must I not have been browning? must you not have been browning? must she not have been browning? must we not have been browning? must you not have been browning? must they not have been browning?