I must sulfurise you must sulfurise he must sulfurise we must sulfurise you must sulfurise they must sulfurise
Forme en V-ing
I must be sulfurising you must be sulfurising he must be sulfurising we must be sulfurising you must be sulfurising they must be sulfurising
Perfect
I must have sulfurised you must have sulfurised he 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 he must have been sulfurising we must have been sulfurising you must have been sulfurising they must have been sulfurising
Négation
Forme simple
I must not sulfurise you must not sulfurise he must not sulfurise we must not sulfurise you must not sulfurise they must not sulfurise
Forme en V-ing
I must not be sulfurising you must not be sulfurising he must not be sulfurising we must not be sulfurising you must not be sulfurising they must not be sulfurising
Perfect
I must not have sulfurised you must not have sulfurised he must not have sulfurised we must not have sulfurised you must not have sulfurised they must not have sulfurised
Perfect en V-ing
I must not have been sulfurising you must not have been sulfurising he must not have been sulfurising we must not have been sulfurising you must not have been sulfurising they must not have been sulfurising
Forme interrogative
Forme simple
must I sulfurise? must you sulfurise? must he sulfurise? must we sulfurise? must you sulfurise? must they sulfurise?
Forme en V-ing
must I be sulfurising? must you be sulfurising? must he be sulfurising? must we be sulfurising? must you be sulfurising? must they be sulfurising?
Perfect
must I have sulfurised? must you have sulfurised? must he 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 he have been sulfurising? must we have been sulfurising? must you have been sulfurising? must they have been sulfurising?
Forme interro-négative
Forme simple
must I not sulfurise? must you not sulfurise? must he not sulfurise? must we not sulfurise? must you not sulfurise? must they not sulfurise?
Forme en V-ing
must I not be sulfurising? must you not be sulfurising? must he not be sulfurising? must we not be sulfurising? must you not be sulfurising? must they not be sulfurising?
Perfect
must I not have sulfurised? must you not have sulfurised? must he not have sulfurised? must we not have sulfurised? must you not have sulfurised? must they not have sulfurised?
Perfect en V-ing
must I not have been sulfurising? must you not have been sulfurising? must he not have been sulfurising? must we not have been sulfurising? must you not have been sulfurising? must they not have been sulfurising?