I must officiate you must officiate he must officiate we must officiate you must officiate they must officiate
Forme en V-ing
I must be officiating you must be officiating he must be officiating we must be officiating you must be officiating they must be officiating
Perfect
I must have officiated you must have officiated he must have officiated we must have officiated you must have officiated they must have officiated
Perfect en V-ing
I must have been officiating you must have been officiating he must have been officiating we must have been officiating you must have been officiating they must have been officiating
Négation
Forme simple
I must not officiate you must not officiate he must not officiate we must not officiate you must not officiate they must not officiate
Forme en V-ing
I must not be officiating you must not be officiating he must not be officiating we must not be officiating you must not be officiating they must not be officiating
Perfect
I must not have officiated you must not have officiated he must not have officiated we must not have officiated you must not have officiated they must not have officiated
Perfect en V-ing
I must not have been officiating you must not have been officiating he must not have been officiating we must not have been officiating you must not have been officiating they must not have been officiating
Forme interrogative
Forme simple
must I officiate? must you officiate? must he officiate? must we officiate? must you officiate? must they officiate?
Forme en V-ing
must I be officiating? must you be officiating? must he be officiating? must we be officiating? must you be officiating? must they be officiating?
Perfect
must I have officiated? must you have officiated? must he have officiated? must we have officiated? must you have officiated? must they have officiated?
Perfect en V-ing
must I have been officiating? must you have been officiating? must he have been officiating? must we have been officiating? must you have been officiating? must they have been officiating?
Forme interro-négative
Forme simple
must I not officiate? must you not officiate? must he not officiate? must we not officiate? must you not officiate? must they not officiate?
Forme en V-ing
must I not be officiating? must you not be officiating? must he not be officiating? must we not be officiating? must you not be officiating? must they not be officiating?
Perfect
must I not have officiated? must you not have officiated? must he not have officiated? must we not have officiated? must you not have officiated? must they not have officiated?
Perfect en V-ing
must I not have been officiating? must you not have been officiating? must he not have been officiating? must we not have been officiating? must you not have been officiating? must they not have been officiating?