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