I must excuse you must excuse she must excuse we must excuse you must excuse they must excuse
Forma com V-ing
I must be excusing you must be excusing she must be excusing we must be excusing you must be excusing they must be excusing
Perfeito
I must have excused you must have excused she must have excused we must have excused you must have excused they must have excused
Perfeito com V-ing
I must have been excusing you must have been excusing she must have been excusing we must have been excusing you must have been excusing they must have been excusing
Negação
Forma simple
I mustn't excuse you mustn't excuse she mustn't excuse we mustn't excuse you mustn't excuse they mustn't excuse
Forma com V-ing
I mustn't be excusing you mustn't be excusing she mustn't be excusing we mustn't be excusing you mustn't be excusing they mustn't be excusing
Perfeito
I mustn't have excused you mustn't have excused she mustn't have excused we mustn't have excused you mustn't have excused they mustn't have excused
Perfeito com V-ing
I mustn't have been excusing you mustn't have been excusing she mustn't have been excusing we mustn't have been excusing you mustn't have been excusing they mustn't have been excusing
Forma interrogativa
Forma simple
must I excuse? must you excuse? must she excuse? must we excuse? must you excuse? must they excuse?
Forma com V-ing
must I be excusing? must you be excusing? must she be excusing? must we be excusing? must you be excusing? must they be excusing?
Perfeito
must I have excused? must you have excused? must she have excused? must we have excused? must you have excused? must they have excused?
Perfeito com V-ing
must I have been excusing? must you have been excusing? must she have been excusing? must we have been excusing? must you have been excusing? must they have been excusing?
Forma interro-Negação
Forma simple
mustn't I excuse? mustn't you excuse? mustn't she excuse? mustn't we excuse? mustn't you excuse? mustn't they excuse?
Forma com V-ing
mustn't I be excusing? mustn't you be excusing? mustn't she be excusing? mustn't we be excusing? mustn't you be excusing? mustn't they be excusing?
Perfeito
mustn't I have excused? mustn't you have excused? mustn't she have excused? mustn't we have excused? mustn't you have excused? mustn't they have excused?
Perfeito com V-ing
mustn't I have been excusing? mustn't you have been excusing? mustn't she have been excusing? mustn't we have been excusing? mustn't you have been excusing? mustn't they have been excusing?