I may sulfurise you may sulfurise he may sulfurise we may sulfurise you may sulfurise they may sulfurise
V-ing form
I may be sulfurising you may be sulfurising he may be sulfurising we may be sulfurising you may be sulfurising they may be sulfurising
Perfect
I may have sulfurised you may have sulfurised he may have sulfurised we may have sulfurised you may have sulfurised they may have sulfurised
V-ing perfect
I may have been sulfurising you may have been sulfurising he may have been sulfurising we may have been sulfurising you may have been sulfurising they may have been sulfurising
Negation
Simple form
I may not sulfurise you may not sulfurise he may not sulfurise we may not sulfurise you may not sulfurise they may not sulfurise
V-ing form
I may not be sulfurising you may not be sulfurising he may not be sulfurising we may not be sulfurising you may not be sulfurising they may not be sulfurising
Perfect
I may not have sulfurised you may not have sulfurised he may not have sulfurised we may not have sulfurised you may not have sulfurised they may not have sulfurised
V-ing perfect
I may not have been sulfurising you may not have been sulfurising he may not have been sulfurising we may not have been sulfurising you may not have been sulfurising they may not have been sulfurising
Interrogative form
Simple form
may I sulfurise? may you sulfurise? may he sulfurise? may we sulfurise? may you sulfurise? may they sulfurise?
V-ing form
may I be sulfurising? may you be sulfurising? may he be sulfurising? may we be sulfurising? may you be sulfurising? may they be sulfurising?
Perfect
may I have sulfurised? may you have sulfurised? may he have sulfurised? may we have sulfurised? may you have sulfurised? may they have sulfurised?
V-ing perfect
may I have been sulfurising? may you have been sulfurising? may he have been sulfurising? may we have been sulfurising? may you have been sulfurising? may they have been sulfurising?
Interro-negative form
Simple form
may I not sulfurise? may you not sulfurise? may he not sulfurise? may we not sulfurise? may you not sulfurise? may they not sulfurise?
V-ing form
may I not be sulfurising? may you not be sulfurising? may he not be sulfurising? may we not be sulfurising? may you not be sulfurising? may they not be sulfurising?
Perfect
may I not have sulfurised? may you not have sulfurised? may he not have sulfurised? may we not have sulfurised? may you not have sulfurised? may they not have sulfurised?
V-ing perfect
may I not have been sulfurising? may you not have been sulfurising? may he not have been sulfurising? may we not have been sulfurising? may you not have been sulfurising? may they not have been sulfurising?