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