I must lucubrate you must lucubrate he must lucubrate we must lucubrate you must lucubrate they must lucubrate
Forme en V-ing
I must be lucubrating you must be lucubrating he must be lucubrating we must be lucubrating you must be lucubrating they must be lucubrating
Perfect
I must have lucubrated you must have lucubrated he must have lucubrated we must have lucubrated you must have lucubrated they must have lucubrated
Perfect en V-ing
I must have been lucubrating you must have been lucubrating he must have been lucubrating we must have been lucubrating you must have been lucubrating they must have been lucubrating
Négation
Forme simple
I must not lucubrate you must not lucubrate he must not lucubrate we must not lucubrate you must not lucubrate they must not lucubrate
Forme en V-ing
I must not be lucubrating you must not be lucubrating he must not be lucubrating we must not be lucubrating you must not be lucubrating they must not be lucubrating
Perfect
I must not have lucubrated you must not have lucubrated he must not have lucubrated we must not have lucubrated you must not have lucubrated they must not have lucubrated
Perfect en V-ing
I must not have been lucubrating you must not have been lucubrating he must not have been lucubrating we must not have been lucubrating you must not have been lucubrating they must not have been lucubrating
Forme interrogative
Forme simple
must I lucubrate? must you lucubrate? must he lucubrate? must we lucubrate? must you lucubrate? must they lucubrate?
Forme en V-ing
must I be lucubrating? must you be lucubrating? must he be lucubrating? must we be lucubrating? must you be lucubrating? must they be lucubrating?
Perfect
must I have lucubrated? must you have lucubrated? must he have lucubrated? must we have lucubrated? must you have lucubrated? must they have lucubrated?
Perfect en V-ing
must I have been lucubrating? must you have been lucubrating? must he have been lucubrating? must we have been lucubrating? must you have been lucubrating? must they have been lucubrating?
Forme interro-négative
Forme simple
must I not lucubrate? must you not lucubrate? must he not lucubrate? must we not lucubrate? must you not lucubrate? must they not lucubrate?
Forme en V-ing
must I not be lucubrating? must you not be lucubrating? must he not be lucubrating? must we not be lucubrating? must you not be lucubrating? must they not be lucubrating?
Perfect
must I not have lucubrated? must you not have lucubrated? must he not have lucubrated? must we not have lucubrated? must you not have lucubrated? must they not have lucubrated?
Perfect en V-ing
must I not have been lucubrating? must you not have been lucubrating? must he not have been lucubrating? must we not have been lucubrating? must you not have been lucubrating? must they not have been lucubrating?