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