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