I must cheat you must cheat she must cheat we must cheat you must cheat they must cheat
Forma con V-ing
I must be cheating you must be cheating she must be cheating we must be cheating you must be cheating they must be cheating
Perfecto
I must have cheated you must have cheated she 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 she 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 she 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 she 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 she 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 she 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 she cheat? must we cheat? must you cheat? must they cheat?
Forma con V-ing
must I be cheating? must you be cheating? must she be cheating? must we be cheating? must you be cheating? must they be cheating?
Perfecto
must I have cheated? must you have cheated? must she 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 she 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 she 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 she 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 she 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 she have been cheating? mustn't we have been cheating? mustn't you have been cheating? mustn't they have been cheating?