I must freshen you must freshen he must freshen we must freshen you must freshen they must freshen
Forme en V-ing
I must be freshening you must be freshening he must be freshening we must be freshening you must be freshening they must be freshening
Perfect
I must have freshened you must have freshened he must have freshened we must have freshened you must have freshened they must have freshened
Perfect en V-ing
I must have been freshening you must have been freshening he must have been freshening we must have been freshening you must have been freshening they must have been freshening
Négation
Forme simple
I mustn't freshen you mustn't freshen he mustn't freshen we mustn't freshen you mustn't freshen they mustn't freshen
Forme en V-ing
I mustn't be freshening you mustn't be freshening he mustn't be freshening we mustn't be freshening you mustn't be freshening they mustn't be freshening
Perfect
I mustn't have freshened you mustn't have freshened he mustn't have freshened we mustn't have freshened you mustn't have freshened they mustn't have freshened
Perfect en V-ing
I mustn't have been freshening you mustn't have been freshening he mustn't have been freshening we mustn't have been freshening you mustn't have been freshening they mustn't have been freshening
Forme interrogative
Forme simple
must I freshen? must you freshen? must he freshen? must we freshen? must you freshen? must they freshen?
Forme en V-ing
must I be freshening? must you be freshening? must he be freshening? must we be freshening? must you be freshening? must they be freshening?
Perfect
must I have freshened? must you have freshened? must he have freshened? must we have freshened? must you have freshened? must they have freshened?
Perfect en V-ing
must I have been freshening? must you have been freshening? must he have been freshening? must we have been freshening? must you have been freshening? must they have been freshening?
Forme interro-négative
Forme simple
mustn't I freshen? mustn't you freshen? mustn't he freshen? mustn't we freshen? mustn't you freshen? mustn't they freshen?
Forme en V-ing
mustn't I be freshening? mustn't you be freshening? mustn't he be freshening? mustn't we be freshening? mustn't you be freshening? mustn't they be freshening?
Perfect
mustn't I have freshened? mustn't you have freshened? mustn't he have freshened? mustn't we have freshened? mustn't you have freshened? mustn't they have freshened?
Perfect en V-ing
mustn't I have been freshening? mustn't you have been freshening? mustn't he have been freshening? mustn't we have been freshening? mustn't you have been freshening? mustn't they have been freshening?