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