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 must not demineralise you must not demineralise she must not demineralise we must not demineralise you must not demineralise they must not demineralise
Forme en V-ing
I must not be demineralising you must not be demineralising she must not be demineralising we must not be demineralising you must not be demineralising they must not be demineralising
Perfect
I must not have demineralised you must not have demineralised she must not have demineralised we must not have demineralised you must not have demineralised they must not have demineralised
Perfect en V-ing
I must not have been demineralising you must not have been demineralising she must not have been demineralising we must not have been demineralising you must not have been demineralising they must not 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
must I not demineralise? must you not demineralise? must she not demineralise? must we not demineralise? must you not demineralise? must they not demineralise?
Forme en V-ing
must I not be demineralising? must you not be demineralising? must she not be demineralising? must we not be demineralising? must you not be demineralising? must they not be demineralising?
Perfect
must I not have demineralised? must you not have demineralised? must she not have demineralised? must we not have demineralised? must you not have demineralised? must they not have demineralised?
Perfect en V-ing
must I not have been demineralising? must you not have been demineralising? must she not have been demineralising? must we not have been demineralising? must you not have been demineralising? must they not have been demineralising?