I could demoralise you could demoralise she could demoralise we could demoralise you could demoralise they could demoralise
V-ing form
I could be demoralising you could be demoralising she could be demoralising we could be demoralising you could be demoralising they could be demoralising
Perfect
I could have demoralised you could have demoralised she could have demoralised we could have demoralised you could have demoralised they could have demoralised
V-ing perfect
I could have been demoralising you could have been demoralising she could have been demoralising we could have been demoralising you could have been demoralising they could have been demoralising
Negation
Simple form
I could not demoralise you could not demoralise she could not demoralise we could not demoralise you could not demoralise they could not demoralise
V-ing form
I could not be demoralising you could not be demoralising she could not be demoralising we could not be demoralising you could not be demoralising they could not be demoralising
Perfect
I could not have demoralised you could not have demoralised she could not have demoralised we could not have demoralised you could not have demoralised they could not have demoralised
V-ing perfect
I could not have been demoralising you could not have been demoralising she could not have been demoralising we could not have been demoralising you could not have been demoralising they could not have been demoralising
Interrogative form
Simple form
could I demoralise? could you demoralise? could she demoralise? could we demoralise? could you demoralise? could they demoralise?
V-ing form
could I be demoralising? could you be demoralising? could she be demoralising? could we be demoralising? could you be demoralising? could they be demoralising?
Perfect
could I have demoralised? could you have demoralised? could she have demoralised? could we have demoralised? could you have demoralised? could they have demoralised?
V-ing perfect
could I have been demoralising? could you have been demoralising? could she have been demoralising? could we have been demoralising? could you have been demoralising? could they have been demoralising?
Interro-negative form
Simple form
could I not demoralise? could you not demoralise? could she not demoralise? could we not demoralise? could you not demoralise? could they not demoralise?
V-ing form
could I not be demoralising? could you not be demoralising? could she not be demoralising? could we not be demoralising? could you not be demoralising? could they not be demoralising?
Perfect
could I not have demoralised? could you not have demoralised? could she not have demoralised? could we not have demoralised? could you not have demoralised? could they not have demoralised?
V-ing perfect
could I not have been demoralising? could you not have been demoralising? could she not have been demoralising? could we not have been demoralising? could you not have been demoralising? could they not have been demoralising?