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