English verb conjugation
MAY DEMATERIALISE

Regular verb: dematerialise - dematerialised - dematerialised

Affirmation

Simple form	V-ing form
I may dematerialise you may dematerialise he may dematerialise we may dematerialise you may dematerialise they may dematerialise	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	V-ing 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	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	V-ing form
I mayn't dematerialise you mayn't dematerialise he mayn't dematerialise we mayn't dematerialise you mayn't dematerialise they mayn't dematerialise	I mayn't be dematerialising you mayn't be dematerialising he mayn't be dematerialising we mayn't be dematerialising you mayn't be dematerialising they mayn't be dematerialising
Perfect	V-ing perfect
I mayn't have dematerialised you mayn't have dematerialised he mayn't have dematerialised we mayn't have dematerialised you mayn't have dematerialised they mayn't have dematerialised	I mayn't have been dematerialising you mayn't have been dematerialising he mayn't have been dematerialising we mayn't have been dematerialising you mayn't have been dematerialising they mayn't have been dematerialising

Interrogative form

Simple form	V-ing form
may I dematerialise? may you dematerialise? may he dematerialise? may we dematerialise? may you dematerialise? may they dematerialise?	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	V-ing 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?	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	V-ing form
mayn't I dematerialise? mayn't you dematerialise? mayn't he dematerialise? mayn't we dematerialise? mayn't you dematerialise? mayn't they dematerialise?	mayn't I be dematerialising? mayn't you be dematerialising? mayn't he be dematerialising? mayn't we be dematerialising? mayn't you be dematerialising? mayn't they be dematerialising?
Perfect	V-ing perfect
mayn't I have dematerialised? mayn't you have dematerialised? mayn't he have dematerialised? mayn't we have dematerialised? mayn't you have dematerialised? mayn't they have dematerialised?	mayn't I have been dematerialising? mayn't you have been dematerialising? mayn't he have been dematerialising? mayn't we have been dematerialising? mayn't you have been dematerialising? mayn't they have been dematerialising?