I must forfeit you must forfeit she must forfeit we must forfeit you must forfeit they must forfeit
Forma com 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
Perfeito
I must have forfeited you must have forfeited she must have forfeited we must have forfeited you must have forfeited they must have forfeited
Perfeito com 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
Negação
Forma simple
I must not forfeit you must not forfeit she must not forfeit we must not forfeit you must not forfeit they must not forfeit
Forma com V-ing
I must not be forfeiting you must not be forfeiting she must not be forfeiting we must not be forfeiting you must not be forfeiting they must not be forfeiting
Perfeito
I must not have forfeited you must not have forfeited she must not have forfeited we must not have forfeited you must not have forfeited they must not have forfeited
Perfeito com V-ing
I must not have been forfeiting you must not have been forfeiting she must not have been forfeiting we must not have been forfeiting you must not have been forfeiting they must not 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 com 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?
Perfeito
must I have forfeited? must you have forfeited? must she have forfeited? must we have forfeited? must you have forfeited? must they have forfeited?
Perfeito com 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-Negação
Forma simple
must I not forfeit? must you not forfeit? must she not forfeit? must we not forfeit? must you not forfeit? must they not forfeit?
Forma com V-ing
must I not be forfeiting? must you not be forfeiting? must she not be forfeiting? must we not be forfeiting? must you not be forfeiting? must they not be forfeiting?
Perfeito
must I not have forfeited? must you not have forfeited? must she not have forfeited? must we not have forfeited? must you not have forfeited? must they not have forfeited?
Perfeito com V-ing
must I not have been forfeiting? must you not have been forfeiting? must she not have been forfeiting? must we not have been forfeiting? must you not have been forfeiting? must they not have been forfeiting?