English verb conjugation
COULD DEMAND

Regular verb: demand - demanded - demanded

Affirmation

Simple form	V-ing form
I could demand you could demand he could demand we could demand you could demand they could demand	I could be demanding you could be demanding he could be demanding we could be demanding you could be demanding they could be demanding
Perfect	V-ing perfect
I could have demanded you could have demanded he could have demanded we could have demanded you could have demanded they could have demanded	I could have been demanding you could have been demanding he could have been demanding we could have been demanding you could have been demanding they could have been demanding

Negation

Simple form	V-ing form
I couldn't demand you couldn't demand he couldn't demand we couldn't demand you couldn't demand they couldn't demand	I couldn't be demanding you couldn't be demanding he couldn't be demanding we couldn't be demanding you couldn't be demanding they couldn't be demanding
Perfect	V-ing perfect
I couldn't have demanded you couldn't have demanded he couldn't have demanded we couldn't have demanded you couldn't have demanded they couldn't have demanded	I couldn't have been demanding you couldn't have been demanding he couldn't have been demanding we couldn't have been demanding you couldn't have been demanding they couldn't have been demanding

Interrogative form

Simple form	V-ing form
could I demand? could you demand? could he demand? could we demand? could you demand? could they demand?	could I be demanding? could you be demanding? could he be demanding? could we be demanding? could you be demanding? could they be demanding?
Perfect	V-ing perfect
could I have demanded? could you have demanded? could he have demanded? could we have demanded? could you have demanded? could they have demanded?	could I have been demanding? could you have been demanding? could he have been demanding? could we have been demanding? could you have been demanding? could they have been demanding?

Interro-negative form

Simple form	V-ing form
couldn't I demand? couldn't you demand? couldn't he demand? couldn't we demand? couldn't you demand? couldn't they demand?	couldn't I be demanding? couldn't you be demanding? couldn't he be demanding? couldn't we be demanding? couldn't you be demanding? couldn't they be demanding?
Perfect	V-ing perfect
couldn't I have demanded? couldn't you have demanded? couldn't he have demanded? couldn't we have demanded? couldn't you have demanded? couldn't they have demanded?	couldn't I have been demanding? couldn't you have been demanding? couldn't he have been demanding? couldn't we have been demanding? couldn't you have been demanding? couldn't they have been demanding?