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