I must obsess you must obsess he must obsess we must obsess you must obsess they must obsess
Forme en V-ing
I must be obsessing you must be obsessing he must be obsessing we must be obsessing you must be obsessing they must be obsessing
Perfect
I must have obsessed you must have obsessed he must have obsessed we must have obsessed you must have obsessed they must have obsessed
Perfect en V-ing
I must have been obsessing you must have been obsessing he must have been obsessing we must have been obsessing you must have been obsessing they must have been obsessing
Négation
Forme simple
I must not obsess you must not obsess he must not obsess we must not obsess you must not obsess they must not obsess
Forme en V-ing
I must not be obsessing you must not be obsessing he must not be obsessing we must not be obsessing you must not be obsessing they must not be obsessing
Perfect
I must not have obsessed you must not have obsessed he must not have obsessed we must not have obsessed you must not have obsessed they must not have obsessed
Perfect en V-ing
I must not have been obsessing you must not have been obsessing he must not have been obsessing we must not have been obsessing you must not have been obsessing they must not have been obsessing
Forme interrogative
Forme simple
must I obsess? must you obsess? must he obsess? must we obsess? must you obsess? must they obsess?
Forme en V-ing
must I be obsessing? must you be obsessing? must he be obsessing? must we be obsessing? must you be obsessing? must they be obsessing?
Perfect
must I have obsessed? must you have obsessed? must he have obsessed? must we have obsessed? must you have obsessed? must they have obsessed?
Perfect en V-ing
must I have been obsessing? must you have been obsessing? must he have been obsessing? must we have been obsessing? must you have been obsessing? must they have been obsessing?
Forme interro-négative
Forme simple
must I not obsess? must you not obsess? must he not obsess? must we not obsess? must you not obsess? must they not obsess?
Forme en V-ing
must I not be obsessing? must you not be obsessing? must he not be obsessing? must we not be obsessing? must you not be obsessing? must they not be obsessing?
Perfect
must I not have obsessed? must you not have obsessed? must he not have obsessed? must we not have obsessed? must you not have obsessed? must they not have obsessed?
Perfect en V-ing
must I not have been obsessing? must you not have been obsessing? must he not have been obsessing? must we not have been obsessing? must you not have been obsessing? must they not have been obsessing?