I could demean you could demean he could demean we could demean you could demean they could demean
V-ing form
I could be demeaning you could be demeaning he could be demeaning we could be demeaning you could be demeaning they could be demeaning
Perfect
I could have demeaned you could have demeaned he could have demeaned we could have demeaned you could have demeaned they could have demeaned
V-ing perfect
I could have been demeaning you could have been demeaning he could have been demeaning we could have been demeaning you could have been demeaning they could have been demeaning
Negation
Simple form
I could not demean you could not demean he could not demean we could not demean you could not demean they could not demean
V-ing form
I could not be demeaning you could not be demeaning he could not be demeaning we could not be demeaning you could not be demeaning they could not be demeaning
Perfect
I could not have demeaned you could not have demeaned he could not have demeaned we could not have demeaned you could not have demeaned they could not have demeaned
V-ing perfect
I could not have been demeaning you could not have been demeaning he could not have been demeaning we could not have been demeaning you could not have been demeaning they could not have been demeaning
Interrogative form
Simple form
could I demean? could you demean? could he demean? could we demean? could you demean? could they demean?
V-ing form
could I be demeaning? could you be demeaning? could he be demeaning? could we be demeaning? could you be demeaning? could they be demeaning?
Perfect
could I have demeaned? could you have demeaned? could he have demeaned? could we have demeaned? could you have demeaned? could they have demeaned?
V-ing perfect
could I have been demeaning? could you have been demeaning? could he have been demeaning? could we have been demeaning? could you have been demeaning? could they have been demeaning?
Interro-negative form
Simple form
could I not demean? could you not demean? could he not demean? could we not demean? could you not demean? could they not demean?
V-ing form
could I not be demeaning? could you not be demeaning? could he not be demeaning? could we not be demeaning? could you not be demeaning? could they not be demeaning?
Perfect
could I not have demeaned? could you not have demeaned? could he not have demeaned? could we not have demeaned? could you not have demeaned? could they not have demeaned?
V-ing perfect
could I not have been demeaning? could you not have been demeaning? could he not have been demeaning? could we not have been demeaning? could you not have been demeaning? could they not have been demeaning?