English verb conjugation
MUST DEMAND

Regular verb: demand - demanded - demanded

Affirmation

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

Negation

Simple form	V-ing form
I must not demand you must not demand she must not demand we must not demand you must not demand they must not demand	I must not be demanding you must not be demanding she must not be demanding we must not be demanding you must not be demanding they must not be demanding
Perfect	V-ing perfect
I must not have demanded you must not have demanded she must not have demanded we must not have demanded you must not have demanded they must not have demanded	I must not have been demanding you must not have been demanding she must not have been demanding we must not have been demanding you must not have been demanding they must not have been demanding

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not demand? must you not demand? must she not demand? must we not demand? must you not demand? must they not demand?	must I not be demanding? must you not be demanding? must she not be demanding? must we not be demanding? must you not be demanding? must they not be demanding?
Perfect	V-ing perfect
must I not have demanded? must you not have demanded? must she not have demanded? must we not have demanded? must you not have demanded? must they not have demanded?	must I not have been demanding? must you not have been demanding? must she not have been demanding? must we not have been demanding? must you not have been demanding? must they not have been demanding?