I must snowshoe you must snowshoe she must snowshoe we must snowshoe you must snowshoe they must snowshoe
Forme en V-ing
I must be snowshoing you must be snowshoing she must be snowshoing we must be snowshoing you must be snowshoing they must be snowshoing
Perfect
I must have snowshoed you must have snowshoed she must have snowshoed we must have snowshoed you must have snowshoed they must have snowshoed
Perfect en V-ing
I must have been snowshoing you must have been snowshoing she must have been snowshoing we must have been snowshoing you must have been snowshoing they must have been snowshoing
Négation
Forme simple
I mustn't snowshoe you mustn't snowshoe she mustn't snowshoe we mustn't snowshoe you mustn't snowshoe they mustn't snowshoe
Forme en V-ing
I mustn't be snowshoing you mustn't be snowshoing she mustn't be snowshoing we mustn't be snowshoing you mustn't be snowshoing they mustn't be snowshoing
Perfect
I mustn't have snowshoed you mustn't have snowshoed she mustn't have snowshoed we mustn't have snowshoed you mustn't have snowshoed they mustn't have snowshoed
Perfect en V-ing
I mustn't have been snowshoing you mustn't have been snowshoing she mustn't have been snowshoing we mustn't have been snowshoing you mustn't have been snowshoing they mustn't have been snowshoing
Forme interrogative
Forme simple
must I snowshoe? must you snowshoe? must she snowshoe? must we snowshoe? must you snowshoe? must they snowshoe?
Forme en V-ing
must I be snowshoing? must you be snowshoing? must she be snowshoing? must we be snowshoing? must you be snowshoing? must they be snowshoing?
Perfect
must I have snowshoed? must you have snowshoed? must she have snowshoed? must we have snowshoed? must you have snowshoed? must they have snowshoed?
Perfect en V-ing
must I have been snowshoing? must you have been snowshoing? must she have been snowshoing? must we have been snowshoing? must you have been snowshoing? must they have been snowshoing?
Forme interro-négative
Forme simple
mustn't I snowshoe? mustn't you snowshoe? mustn't she snowshoe? mustn't we snowshoe? mustn't you snowshoe? mustn't they snowshoe?
Forme en V-ing
mustn't I be snowshoing? mustn't you be snowshoing? mustn't she be snowshoing? mustn't we be snowshoing? mustn't you be snowshoing? mustn't they be snowshoing?
Perfect
mustn't I have snowshoed? mustn't you have snowshoed? mustn't she have snowshoed? mustn't we have snowshoed? mustn't you have snowshoed? mustn't they have snowshoed?
Perfect en V-ing
mustn't I have been snowshoing? mustn't you have been snowshoing? mustn't she have been snowshoing? mustn't we have been snowshoing? mustn't you have been snowshoing? mustn't they have been snowshoing?