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