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