I may dematerialise you may dematerialise he may dematerialise we may dematerialise you may dematerialise they may dematerialise
V-ing form
I may be dematerialising you may be dematerialising he may be dematerialising we may be dematerialising you may be dematerialising they may be dematerialising
Perfect
I may have dematerialised you may have dematerialised he may have dematerialised we may have dematerialised you may have dematerialised they may have dematerialised
V-ing perfect
I may have been dematerialising you may have been dematerialising he may have been dematerialising we may have been dematerialising you may have been dematerialising they may have been dematerialising
Negation
Simple form
I may not dematerialise you may not dematerialise he may not dematerialise we may not dematerialise you may not dematerialise they may not dematerialise
V-ing form
I may not be dematerialising you may not be dematerialising he may not be dematerialising we may not be dematerialising you may not be dematerialising they may not be dematerialising
Perfect
I may not have dematerialised you may not have dematerialised he may not have dematerialised we may not have dematerialised you may not have dematerialised they may not have dematerialised
V-ing perfect
I may not have been dematerialising you may not have been dematerialising he may not have been dematerialising we may not have been dematerialising you may not have been dematerialising they may not have been dematerialising
Interrogative form
Simple form
may I dematerialise? may you dematerialise? may he dematerialise? may we dematerialise? may you dematerialise? may they dematerialise?
V-ing form
may I be dematerialising? may you be dematerialising? may he be dematerialising? may we be dematerialising? may you be dematerialising? may they be dematerialising?
Perfect
may I have dematerialised? may you have dematerialised? may he have dematerialised? may we have dematerialised? may you have dematerialised? may they have dematerialised?
V-ing perfect
may I have been dematerialising? may you have been dematerialising? may he have been dematerialising? may we have been dematerialising? may you have been dematerialising? may they have been dematerialising?
Interro-negative form
Simple form
may I not dematerialise? may you not dematerialise? may he not dematerialise? may we not dematerialise? may you not dematerialise? may they not dematerialise?
V-ing form
may I not be dematerialising? may you not be dematerialising? may he not be dematerialising? may we not be dematerialising? may you not be dematerialising? may they not be dematerialising?
Perfect
may I not have dematerialised? may you not have dematerialised? may he not have dematerialised? may we not have dematerialised? may you not have dematerialised? may they not have dematerialised?
V-ing perfect
may I not have been dematerialising? may you not have been dematerialising? may he not have been dematerialising? may we not have been dematerialising? may you not have been dematerialising? may they not have been dematerialising?