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 mustn't demand you mustn't demand she mustn't demand we mustn't demand you mustn't demand they mustn't demand	I mustn't be demanding you mustn't be demanding she mustn't be demanding we mustn't be demanding you mustn't be demanding they mustn't be demanding
Perfect	V-ing perfect
I mustn't have demanded you mustn't have demanded she mustn't have demanded we mustn't have demanded you mustn't have demanded they mustn't have demanded	I mustn't have been demanding you mustn't have been demanding she mustn't have been demanding we mustn't have been demanding you mustn't have been demanding they mustn't 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
mustn't I demand? mustn't you demand? mustn't she demand? mustn't we demand? mustn't you demand? mustn't they demand?	mustn't I be demanding? mustn't you be demanding? mustn't she be demanding? mustn't we be demanding? mustn't you be demanding? mustn't they be demanding?
Perfect	V-ing perfect
mustn't I have demanded? mustn't you have demanded? mustn't she have demanded? mustn't we have demanded? mustn't you have demanded? mustn't they have demanded?	mustn't I have been demanding? mustn't you have been demanding? mustn't she have been demanding? mustn't we have been demanding? mustn't you have been demanding? mustn't they have been demanding?