I must brail you must brail he must brail we must brail you must brail they must brail
Forma con V-ing
I must be brailing you must be brailing he must be brailing we must be brailing you must be brailing they must be brailing
Perfecto
I must have brailed you must have brailed he must have brailed we must have brailed you must have brailed they must have brailed
Perfecto con V-ing
I must have been brailing you must have been brailing he must have been brailing we must have been brailing you must have been brailing they must have been brailing
Negación
Forma simple
I mustn't brail you mustn't brail he mustn't brail we mustn't brail you mustn't brail they mustn't brail
Forma con V-ing
I mustn't be brailing you mustn't be brailing he mustn't be brailing we mustn't be brailing you mustn't be brailing they mustn't be brailing
Perfecto
I mustn't have brailed you mustn't have brailed he mustn't have brailed we mustn't have brailed you mustn't have brailed they mustn't have brailed
Perfecto con V-ing
I mustn't have been brailing you mustn't have been brailing he mustn't have been brailing we mustn't have been brailing you mustn't have been brailing they mustn't have been brailing
Forma interrogativa
Forma simple
must I brail? must you brail? must he brail? must we brail? must you brail? must they brail?
Forma con V-ing
must I be brailing? must you be brailing? must he be brailing? must we be brailing? must you be brailing? must they be brailing?
Perfecto
must I have brailed? must you have brailed? must he have brailed? must we have brailed? must you have brailed? must they have brailed?
Perfecto con V-ing
must I have been brailing? must you have been brailing? must he have been brailing? must we have been brailing? must you have been brailing? must they have been brailing?
Forma interro-negativa
Forma simple
mustn't I brail? mustn't you brail? mustn't he brail? mustn't we brail? mustn't you brail? mustn't they brail?
Forma con V-ing
mustn't I be brailing? mustn't you be brailing? mustn't he be brailing? mustn't we be brailing? mustn't you be brailing? mustn't they be brailing?
Perfecto
mustn't I have brailed? mustn't you have brailed? mustn't he have brailed? mustn't we have brailed? mustn't you have brailed? mustn't they have brailed?
Perfecto con V-ing
mustn't I have been brailing? mustn't you have been brailing? mustn't he have been brailing? mustn't we have been brailing? mustn't you have been brailing? mustn't they have been brailing?