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