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