I must soften you must soften she must soften we must soften you must soften they must soften
Forma con V-ing
I must be softening you must be softening she must be softening we must be softening you must be softening they must be softening
Perfecto
I must have softened you must have softened she must have softened we must have softened you must have softened they must have softened
Perfecto con V-ing
I must have been softening you must have been softening she must have been softening we must have been softening you must have been softening they must have been softening
Negación
Forma simple
I mustn't soften you mustn't soften she mustn't soften we mustn't soften you mustn't soften they mustn't soften
Forma con V-ing
I mustn't be softening you mustn't be softening she mustn't be softening we mustn't be softening you mustn't be softening they mustn't be softening
Perfecto
I mustn't have softened you mustn't have softened she mustn't have softened we mustn't have softened you mustn't have softened they mustn't have softened
Perfecto con V-ing
I mustn't have been softening you mustn't have been softening she mustn't have been softening we mustn't have been softening you mustn't have been softening they mustn't have been softening
Forma interrogativa
Forma simple
must I soften? must you soften? must she soften? must we soften? must you soften? must they soften?
Forma con V-ing
must I be softening? must you be softening? must she be softening? must we be softening? must you be softening? must they be softening?
Perfecto
must I have softened? must you have softened? must she have softened? must we have softened? must you have softened? must they have softened?
Perfecto con V-ing
must I have been softening? must you have been softening? must she have been softening? must we have been softening? must you have been softening? must they have been softening?
Forma interro-negativa
Forma simple
mustn't I soften? mustn't you soften? mustn't she soften? mustn't we soften? mustn't you soften? mustn't they soften?
Forma con V-ing
mustn't I be softening? mustn't you be softening? mustn't she be softening? mustn't we be softening? mustn't you be softening? mustn't they be softening?
Perfecto
mustn't I have softened? mustn't you have softened? mustn't she have softened? mustn't we have softened? mustn't you have softened? mustn't they have softened?
Perfecto con V-ing
mustn't I have been softening? mustn't you have been softening? mustn't she have been softening? mustn't we have been softening? mustn't you have been softening? mustn't they have been softening?