English verb conjugation
COULD DEMEAN

Regular verb: demean - demeaned - demeaned

Affirmation

Simple form	V-ing form
I could demean you could demean she could demean we could demean you could demean they could demean	I could be demeaning you could be demeaning she could be demeaning we could be demeaning you could be demeaning they could be demeaning
Perfect	V-ing perfect
I could have demeaned you could have demeaned she could have demeaned we could have demeaned you could have demeaned they could have demeaned	I could have been demeaning you could have been demeaning she could have been demeaning we could have been demeaning you could have been demeaning they could have been demeaning

Negation

Simple form	V-ing form
I couldn't demean you couldn't demean she couldn't demean we couldn't demean you couldn't demean they couldn't demean	I couldn't be demeaning you couldn't be demeaning she couldn't be demeaning we couldn't be demeaning you couldn't be demeaning they couldn't be demeaning
Perfect	V-ing perfect
I couldn't have demeaned you couldn't have demeaned she couldn't have demeaned we couldn't have demeaned you couldn't have demeaned they couldn't have demeaned	I couldn't have been demeaning you couldn't have been demeaning she couldn't have been demeaning we couldn't have been demeaning you couldn't have been demeaning they couldn't have been demeaning

Interrogative form

Simple form	V-ing form
could I demean? could you demean? could she demean? could we demean? could you demean? could they demean?	could I be demeaning? could you be demeaning? could she be demeaning? could we be demeaning? could you be demeaning? could they be demeaning?
Perfect	V-ing perfect
could I have demeaned? could you have demeaned? could she have demeaned? could we have demeaned? could you have demeaned? could they have demeaned?	could I have been demeaning? could you have been demeaning? could she have been demeaning? could we have been demeaning? could you have been demeaning? could they have been demeaning?

Interro-negative form

Simple form	V-ing form
couldn't I demean? couldn't you demean? couldn't she demean? couldn't we demean? couldn't you demean? couldn't they demean?	couldn't I be demeaning? couldn't you be demeaning? couldn't she be demeaning? couldn't we be demeaning? couldn't you be demeaning? couldn't they be demeaning?
Perfect	V-ing perfect
couldn't I have demeaned? couldn't you have demeaned? couldn't she have demeaned? couldn't we have demeaned? couldn't you have demeaned? couldn't they have demeaned?	couldn't I have been demeaning? couldn't you have been demeaning? couldn't she have been demeaning? couldn't we have been demeaning? couldn't you have been demeaning? couldn't they have been demeaning?