I must formulise you must formulise he must formulise we must formulise you must formulise they must formulise
Forme en V-ing
I must be formulising you must be formulising he must be formulising we must be formulising you must be formulising they must be formulising
Perfect
I must have formulised you must have formulised he must have formulised we must have formulised you must have formulised they must have formulised
Perfect en V-ing
I must have been formulising you must have been formulising he must have been formulising we must have been formulising you must have been formulising they must have been formulising
Négation
Forme simple
I mustn't formulise you mustn't formulise he mustn't formulise we mustn't formulise you mustn't formulise they mustn't formulise
Forme en V-ing
I mustn't be formulising you mustn't be formulising he mustn't be formulising we mustn't be formulising you mustn't be formulising they mustn't be formulising
Perfect
I mustn't have formulised you mustn't have formulised he mustn't have formulised we mustn't have formulised you mustn't have formulised they mustn't have formulised
Perfect en V-ing
I mustn't have been formulising you mustn't have been formulising he mustn't have been formulising we mustn't have been formulising you mustn't have been formulising they mustn't have been formulising
Forme interrogative
Forme simple
must I formulise? must you formulise? must he formulise? must we formulise? must you formulise? must they formulise?
Forme en V-ing
must I be formulising? must you be formulising? must he be formulising? must we be formulising? must you be formulising? must they be formulising?
Perfect
must I have formulised? must you have formulised? must he have formulised? must we have formulised? must you have formulised? must they have formulised?
Perfect en V-ing
must I have been formulising? must you have been formulising? must he have been formulising? must we have been formulising? must you have been formulising? must they have been formulising?
Forme interro-négative
Forme simple
mustn't I formulise? mustn't you formulise? mustn't he formulise? mustn't we formulise? mustn't you formulise? mustn't they formulise?
Forme en V-ing
mustn't I be formulising? mustn't you be formulising? mustn't he be formulising? mustn't we be formulising? mustn't you be formulising? mustn't they be formulising?
Perfect
mustn't I have formulised? mustn't you have formulised? mustn't he have formulised? mustn't we have formulised? mustn't you have formulised? mustn't they have formulised?
Perfect en V-ing
mustn't I have been formulising? mustn't you have been formulising? mustn't he have been formulising? mustn't we have been formulising? mustn't you have been formulising? mustn't they have been formulising?