I must silt you must silt he must silt we must silt you must silt they must silt
Forme en V-ing
I must be silting you must be silting he must be silting we must be silting you must be silting they must be silting
Perfect
I must have silted you must have silted he must have silted we must have silted you must have silted they must have silted
Perfect en V-ing
I must have been silting you must have been silting he must have been silting we must have been silting you must have been silting they must have been silting
Négation
Forme simple
I must not silt you must not silt he must not silt we must not silt you must not silt they must not silt
Forme en V-ing
I must not be silting you must not be silting he must not be silting we must not be silting you must not be silting they must not be silting
Perfect
I must not have silted you must not have silted he must not have silted we must not have silted you must not have silted they must not have silted
Perfect en V-ing
I must not have been silting you must not have been silting he must not have been silting we must not have been silting you must not have been silting they must not have been silting
Forme interrogative
Forme simple
must I silt? must you silt? must he silt? must we silt? must you silt? must they silt?
Forme en V-ing
must I be silting? must you be silting? must he be silting? must we be silting? must you be silting? must they be silting?
Perfect
must I have silted? must you have silted? must he have silted? must we have silted? must you have silted? must they have silted?
Perfect en V-ing
must I have been silting? must you have been silting? must he have been silting? must we have been silting? must you have been silting? must they have been silting?
Forme interro-négative
Forme simple
must I not silt? must you not silt? must he not silt? must we not silt? must you not silt? must they not silt?
Forme en V-ing
must I not be silting? must you not be silting? must he not be silting? must we not be silting? must you not be silting? must they not be silting?
Perfect
must I not have silted? must you not have silted? must he not have silted? must we not have silted? must you not have silted? must they not have silted?
Perfect en V-ing
must I not have been silting? must you not have been silting? must he not have been silting? must we not have been silting? must you not have been silting? must they not have been silting?