I must optimise you must optimise he must optimise we must optimise you must optimise they must optimise
Forme en V-ing
I must be optimising you must be optimising he must be optimising we must be optimising you must be optimising they must be optimising
Perfect
I must have optimised you must have optimised he must have optimised we must have optimised you must have optimised they must have optimised
Perfect en V-ing
I must have been optimising you must have been optimising he must have been optimising we must have been optimising you must have been optimising they must have been optimising
Négation
Forme simple
I must not optimise you must not optimise he must not optimise we must not optimise you must not optimise they must not optimise
Forme en V-ing
I must not be optimising you must not be optimising he must not be optimising we must not be optimising you must not be optimising they must not be optimising
Perfect
I must not have optimised you must not have optimised he must not have optimised we must not have optimised you must not have optimised they must not have optimised
Perfect en V-ing
I must not have been optimising you must not have been optimising he must not have been optimising we must not have been optimising you must not have been optimising they must not have been optimising
Forme interrogative
Forme simple
must I optimise? must you optimise? must he optimise? must we optimise? must you optimise? must they optimise?
Forme en V-ing
must I be optimising? must you be optimising? must he be optimising? must we be optimising? must you be optimising? must they be optimising?
Perfect
must I have optimised? must you have optimised? must he have optimised? must we have optimised? must you have optimised? must they have optimised?
Perfect en V-ing
must I have been optimising? must you have been optimising? must he have been optimising? must we have been optimising? must you have been optimising? must they have been optimising?
Forme interro-négative
Forme simple
must I not optimise? must you not optimise? must he not optimise? must we not optimise? must you not optimise? must they not optimise?
Forme en V-ing
must I not be optimising? must you not be optimising? must he not be optimising? must we not be optimising? must you not be optimising? must they not be optimising?
Perfect
must I not have optimised? must you not have optimised? must he not have optimised? must we not have optimised? must you not have optimised? must they not have optimised?
Perfect en V-ing
must I not have been optimising? must you not have been optimising? must he not have been optimising? must we not have been optimising? must you not have been optimising? must they not have been optimising?