I could demonetise you could demonetise she could demonetise we could demonetise you could demonetise they could demonetise
V-ing form
I could be demonetising you could be demonetising she could be demonetising we could be demonetising you could be demonetising they could be demonetising
Perfect
I could have demonetised you could have demonetised she could have demonetised we could have demonetised you could have demonetised they could have demonetised
V-ing perfect
I could have been demonetising you could have been demonetising she could have been demonetising we could have been demonetising you could have been demonetising they could have been demonetising
Negation
Simple form
I couldn't demonetise you couldn't demonetise she couldn't demonetise we couldn't demonetise you couldn't demonetise they couldn't demonetise
V-ing form
I couldn't be demonetising you couldn't be demonetising she couldn't be demonetising we couldn't be demonetising you couldn't be demonetising they couldn't be demonetising
Perfect
I couldn't have demonetised you couldn't have demonetised she couldn't have demonetised we couldn't have demonetised you couldn't have demonetised they couldn't have demonetised
V-ing perfect
I couldn't have been demonetising you couldn't have been demonetising she couldn't have been demonetising we couldn't have been demonetising you couldn't have been demonetising they couldn't have been demonetising
Interrogative form
Simple form
could I demonetise? could you demonetise? could she demonetise? could we demonetise? could you demonetise? could they demonetise?
V-ing form
could I be demonetising? could you be demonetising? could she be demonetising? could we be demonetising? could you be demonetising? could they be demonetising?
Perfect
could I have demonetised? could you have demonetised? could she have demonetised? could we have demonetised? could you have demonetised? could they have demonetised?
V-ing perfect
could I have been demonetising? could you have been demonetising? could she have been demonetising? could we have been demonetising? could you have been demonetising? could they have been demonetising?
Interro-negative form
Simple form
couldn't I demonetise? couldn't you demonetise? couldn't she demonetise? couldn't we demonetise? couldn't you demonetise? couldn't they demonetise?
V-ing form
couldn't I be demonetising? couldn't you be demonetising? couldn't she be demonetising? couldn't we be demonetising? couldn't you be demonetising? couldn't they be demonetising?
Perfect
couldn't I have demonetised? couldn't you have demonetised? couldn't she have demonetised? couldn't we have demonetised? couldn't you have demonetised? couldn't they have demonetised?
V-ing perfect
couldn't I have been demonetising? couldn't you have been demonetising? couldn't she have been demonetising? couldn't we have been demonetising? couldn't you have been demonetising? couldn't they have been demonetising?