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