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