Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I must expert you must expert he must expert we must expert you must expert they must expert
Forme en V-ing
I must be experting you must be experting he must be experting we must be experting you must be experting they must be experting
Perfect
I must have experted you must have experted he must have experted we must have experted you must have experted they must have experted
Perfect en V-ing
I must have been experting you must have been experting he must have been experting we must have been experting you must have been experting they must have been experting
Négation
Forme simple
I mustn't expert you mustn't expert he mustn't expert we mustn't expert you mustn't expert they mustn't expert
Forme en V-ing
I mustn't be experting you mustn't be experting he mustn't be experting we mustn't be experting you mustn't be experting they mustn't be experting
Perfect
I mustn't have experted you mustn't have experted he mustn't have experted we mustn't have experted you mustn't have experted they mustn't have experted
Perfect en V-ing
I mustn't have been experting you mustn't have been experting he mustn't have been experting we mustn't have been experting you mustn't have been experting they mustn't have been experting
Forme interrogative
Forme simple
must I expert? must you expert? must he expert? must we expert? must you expert? must they expert?
Forme en V-ing
must I be experting? must you be experting? must he be experting? must we be experting? must you be experting? must they be experting?
Perfect
must I have experted? must you have experted? must he have experted? must we have experted? must you have experted? must they have experted?
Perfect en V-ing
must I have been experting? must you have been experting? must he have been experting? must we have been experting? must you have been experting? must they have been experting?
Forme interro-négative
Forme simple
mustn't I expert? mustn't you expert? mustn't he expert? mustn't we expert? mustn't you expert? mustn't they expert?
Forme en V-ing
mustn't I be experting? mustn't you be experting? mustn't he be experting? mustn't we be experting? mustn't you be experting? mustn't they be experting?
Perfect
mustn't I have experted? mustn't you have experted? mustn't he have experted? mustn't we have experted? mustn't you have experted? mustn't they have experted?
Perfect en V-ing
mustn't I have been experting? mustn't you have been experting? mustn't he have been experting? mustn't we have been experting? mustn't you have been experting? mustn't they have been experting?