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