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