I must seal you must seal she must seal we must seal you must seal they must seal
Forma com V-ing
I must be sealing you must be sealing she must be sealing we must be sealing you must be sealing they must be sealing
Perfeito
I must have sealed you must have sealed she must have sealed we must have sealed you must have sealed they must have sealed
Perfeito com V-ing
I must have been sealing you must have been sealing she must have been sealing we must have been sealing you must have been sealing they must have been sealing
Negação
Forma simple
I mustn't seal you mustn't seal she mustn't seal we mustn't seal you mustn't seal they mustn't seal
Forma com V-ing
I mustn't be sealing you mustn't be sealing she mustn't be sealing we mustn't be sealing you mustn't be sealing they mustn't be sealing
Perfeito
I mustn't have sealed you mustn't have sealed she mustn't have sealed we mustn't have sealed you mustn't have sealed they mustn't have sealed
Perfeito com V-ing
I mustn't have been sealing you mustn't have been sealing she mustn't have been sealing we mustn't have been sealing you mustn't have been sealing they mustn't have been sealing
Forma interrogativa
Forma simple
must I seal? must you seal? must she seal? must we seal? must you seal? must they seal?
Forma com V-ing
must I be sealing? must you be sealing? must she be sealing? must we be sealing? must you be sealing? must they be sealing?
Perfeito
must I have sealed? must you have sealed? must she have sealed? must we have sealed? must you have sealed? must they have sealed?
Perfeito com V-ing
must I have been sealing? must you have been sealing? must she have been sealing? must we have been sealing? must you have been sealing? must they have been sealing?
Forma interro-Negação
Forma simple
mustn't I seal? mustn't you seal? mustn't she seal? mustn't we seal? mustn't you seal? mustn't they seal?
Forma com V-ing
mustn't I be sealing? mustn't you be sealing? mustn't she be sealing? mustn't we be sealing? mustn't you be sealing? mustn't they be sealing?
Perfeito
mustn't I have sealed? mustn't you have sealed? mustn't she have sealed? mustn't we have sealed? mustn't you have sealed? mustn't they have sealed?
Perfeito com V-ing
mustn't I have been sealing? mustn't you have been sealing? mustn't she have been sealing? mustn't we have been sealing? mustn't you have been sealing? mustn't they have been sealing?