I must reface you must reface he must reface we must reface you must reface they must reface
Forma con V-ing
I must be refacing you must be refacing he must be refacing we must be refacing you must be refacing they must be refacing
Perfecto
I must have refaced you must have refaced he must have refaced we must have refaced you must have refaced they must have refaced
Perfecto con V-ing
I must have been refacing you must have been refacing he must have been refacing we must have been refacing you must have been refacing they must have been refacing
Negación
Forma simple
I mustn't reface you mustn't reface he mustn't reface we mustn't reface you mustn't reface they mustn't reface
Forma con V-ing
I mustn't be refacing you mustn't be refacing he mustn't be refacing we mustn't be refacing you mustn't be refacing they mustn't be refacing
Perfecto
I mustn't have refaced you mustn't have refaced he mustn't have refaced we mustn't have refaced you mustn't have refaced they mustn't have refaced
Perfecto con V-ing
I mustn't have been refacing you mustn't have been refacing he mustn't have been refacing we mustn't have been refacing you mustn't have been refacing they mustn't have been refacing
Forma interrogativa
Forma simple
must I reface? must you reface? must he reface? must we reface? must you reface? must they reface?
Forma con V-ing
must I be refacing? must you be refacing? must he be refacing? must we be refacing? must you be refacing? must they be refacing?
Perfecto
must I have refaced? must you have refaced? must he have refaced? must we have refaced? must you have refaced? must they have refaced?
Perfecto con V-ing
must I have been refacing? must you have been refacing? must he have been refacing? must we have been refacing? must you have been refacing? must they have been refacing?
Forma interro-negativa
Forma simple
mustn't I reface? mustn't you reface? mustn't he reface? mustn't we reface? mustn't you reface? mustn't they reface?
Forma con V-ing
mustn't I be refacing? mustn't you be refacing? mustn't he be refacing? mustn't we be refacing? mustn't you be refacing? mustn't they be refacing?
Perfecto
mustn't I have refaced? mustn't you have refaced? mustn't he have refaced? mustn't we have refaced? mustn't you have refaced? mustn't they have refaced?
Perfecto con V-ing
mustn't I have been refacing? mustn't you have been refacing? mustn't he have been refacing? mustn't we have been refacing? mustn't you have been refacing? mustn't they have been refacing?