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