I must demineralise you must demineralise she must demineralise we must demineralise you must demineralise they must demineralise
Forme en V-ing
I must be demineralising you must be demineralising she must be demineralising we must be demineralising you must be demineralising they must be demineralising
Perfect
I must have demineralised you must have demineralised she must have demineralised we must have demineralised you must have demineralised they must have demineralised
Perfect en V-ing
I must have been demineralising you must have been demineralising she must have been demineralising we must have been demineralising you must have been demineralising they must have been demineralising
Négation
Forme simple
I mustn't demineralise you mustn't demineralise she mustn't demineralise we mustn't demineralise you mustn't demineralise they mustn't demineralise
Forme en V-ing
I mustn't be demineralising you mustn't be demineralising she mustn't be demineralising we mustn't be demineralising you mustn't be demineralising they mustn't be demineralising
Perfect
I mustn't have demineralised you mustn't have demineralised she mustn't have demineralised we mustn't have demineralised you mustn't have demineralised they mustn't have demineralised
Perfect en V-ing
I mustn't have been demineralising you mustn't have been demineralising she mustn't have been demineralising we mustn't have been demineralising you mustn't have been demineralising they mustn't have been demineralising
Forme interrogative
Forme simple
must I demineralise? must you demineralise? must she demineralise? must we demineralise? must you demineralise? must they demineralise?
Forme en V-ing
must I be demineralising? must you be demineralising? must she be demineralising? must we be demineralising? must you be demineralising? must they be demineralising?
Perfect
must I have demineralised? must you have demineralised? must she have demineralised? must we have demineralised? must you have demineralised? must they have demineralised?
Perfect en V-ing
must I have been demineralising? must you have been demineralising? must she have been demineralising? must we have been demineralising? must you have been demineralising? must they have been demineralising?
Forme interro-négative
Forme simple
mustn't I demineralise? mustn't you demineralise? mustn't she demineralise? mustn't we demineralise? mustn't you demineralise? mustn't they demineralise?
Forme en V-ing
mustn't I be demineralising? mustn't you be demineralising? mustn't she be demineralising? mustn't we be demineralising? mustn't you be demineralising? mustn't they be demineralising?
Perfect
mustn't I have demineralised? mustn't you have demineralised? mustn't she have demineralised? mustn't we have demineralised? mustn't you have demineralised? mustn't they have demineralised?
Perfect en V-ing
mustn't I have been demineralising? mustn't you have been demineralising? mustn't she have been demineralising? mustn't we have been demineralising? mustn't you have been demineralising? mustn't they have been demineralising?