I must decree you must decree she must decree we must decree you must decree they must decree
Forma con V-ing
I must be decreeing you must be decreeing she must be decreeing we must be decreeing you must be decreeing they must be decreeing
Perfecto
I must have decreed you must have decreed she must have decreed we must have decreed you must have decreed they must have decreed
Perfecto con V-ing
I must have been decreeing you must have been decreeing she must have been decreeing we must have been decreeing you must have been decreeing they must have been decreeing
Negación
Forma simple
I mustn't decree you mustn't decree she mustn't decree we mustn't decree you mustn't decree they mustn't decree
Forma con V-ing
I mustn't be decreeing you mustn't be decreeing she mustn't be decreeing we mustn't be decreeing you mustn't be decreeing they mustn't be decreeing
Perfecto
I mustn't have decreed you mustn't have decreed she mustn't have decreed we mustn't have decreed you mustn't have decreed they mustn't have decreed
Perfecto con V-ing
I mustn't have been decreeing you mustn't have been decreeing she mustn't have been decreeing we mustn't have been decreeing you mustn't have been decreeing they mustn't have been decreeing
Forma interrogativa
Forma simple
must I decree? must you decree? must she decree? must we decree? must you decree? must they decree?
Forma con V-ing
must I be decreeing? must you be decreeing? must she be decreeing? must we be decreeing? must you be decreeing? must they be decreeing?
Perfecto
must I have decreed? must you have decreed? must she have decreed? must we have decreed? must you have decreed? must they have decreed?
Perfecto con V-ing
must I have been decreeing? must you have been decreeing? must she have been decreeing? must we have been decreeing? must you have been decreeing? must they have been decreeing?
Forma interro-negativa
Forma simple
mustn't I decree? mustn't you decree? mustn't she decree? mustn't we decree? mustn't you decree? mustn't they decree?
Forma con V-ing
mustn't I be decreeing? mustn't you be decreeing? mustn't she be decreeing? mustn't we be decreeing? mustn't you be decreeing? mustn't they be decreeing?
Perfecto
mustn't I have decreed? mustn't you have decreed? mustn't she have decreed? mustn't we have decreed? mustn't you have decreed? mustn't they have decreed?
Perfecto con V-ing
mustn't I have been decreeing? mustn't you have been decreeing? mustn't she have been decreeing? mustn't we have been decreeing? mustn't you have been decreeing? mustn't they have been decreeing?