I must brail you must brail she must brail we must brail you must brail they must brail
Forma con V-ing
I must be brailing you must be brailing she must be brailing we must be brailing you must be brailing they must be brailing
Perfecto
I must have brailed you must have brailed she 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 she 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 she 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 she 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 she 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 she 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 she brail? must we brail? must you brail? must they brail?
Forma con V-ing
must I be brailing? must you be brailing? must she be brailing? must we be brailing? must you be brailing? must they be brailing?
Perfecto
must I have brailed? must you have brailed? must she 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 she 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 she 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 she 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 she 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 she have been brailing? mustn't we have been brailing? mustn't you have been brailing? mustn't they have been brailing?