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 cannot demineralise you cannot demineralise she cannot demineralise we cannot demineralise you cannot demineralise they cannot demineralise
V-ing form
I cannot be demineralising you cannot be demineralising she cannot be demineralising we cannot be demineralising you cannot be demineralising they cannot be demineralising
Perfect
I cannot have demineralised you cannot have demineralised she cannot have demineralised we cannot have demineralised you cannot have demineralised they cannot have demineralised
V-ing perfect
I cannot have been demineralising you cannot have been demineralising she cannot have been demineralising we cannot have been demineralising you cannot have been demineralising they cannot 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 I not demineralise? can you not demineralise? can she not demineralise? can we not demineralise? can you not demineralise? can they not demineralise?
V-ing form
can I not be demineralising? can you not be demineralising? can she not be demineralising? can we not be demineralising? can you not be demineralising? can they not be demineralising?
Perfect
can I not have demineralised? can you not have demineralised? can she not have demineralised? can we not have demineralised? can you not have demineralised? can they not have demineralised?
V-ing perfect
can I not have been demineralising? can you not have been demineralising? can she not have been demineralising? can we not have been demineralising? can you not have been demineralising? can they not have been demineralising?