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