I can demineralise you can demineralise she can demineralise we can demineralise you can demineralise they can demineralise
V-ing form
I can be demineralising you can be demineralising she can be demineralising we can be demineralising you can be demineralising they can be demineralising
Perfect
I can have demineralised you can have demineralised she can have demineralised we can have demineralised you can have demineralised they can have demineralised
V-ing perfect
I can have been demineralising you can have been demineralising she can have been demineralising we can have been demineralising you can have been demineralising they can have been demineralising
Negation
Simple form
I can't demineralise you can't demineralise she can't demineralise we can't demineralise you can't demineralise they can't demineralise
V-ing form
I can't be demineralising you can't be demineralising she can't be demineralising we can't be demineralising you can't be demineralising they can't be demineralising
Perfect
I can't have demineralised you can't have demineralised she can't have demineralised we can't have demineralised you can't have demineralised they can't have demineralised
V-ing perfect
I can't have been demineralising you can't have been demineralising she can't have been demineralising we can't have been demineralising you can't have been demineralising they can't have been demineralising
Interrogative form
Simple form
can I demineralise? can you demineralise? can she demineralise? can we demineralise? can you demineralise? can they demineralise?
V-ing form
can I be demineralising? can you be demineralising? can she be demineralising? can we be demineralising? can you be demineralising? can they be demineralising?
Perfect
can I have demineralised? can you have demineralised? can she have demineralised? can we have demineralised? can you have demineralised? can they have demineralised?
V-ing perfect
can I have been demineralising? can you have been demineralising? can she have been demineralising? can we have been demineralising? can you have been demineralising? can they have been demineralising?
Interro-negative form
Simple form
can't I demineralise? can't you demineralise? can't she demineralise? can't we demineralise? can't you demineralise? can't they demineralise?
V-ing form
can't I be demineralising? can't you be demineralising? can't she be demineralising? can't we be demineralising? can't you be demineralising? can't they be demineralising?
Perfect
can't I have demineralised? can't you have demineralised? can't she have demineralised? can't we have demineralised? can't you have demineralised? can't they have demineralised?
V-ing perfect
can't I have been demineralising? can't you have been demineralising? can't she have been demineralising? can't we have been demineralising? can't you have been demineralising? can't they have been demineralising?