English verb conjugation
MUST STAND

Irregular verb: stand - stood - stood

Affirmation

Simple form	V-ing form
I must stand you must stand she must stand we must stand you must stand they must stand	I must be standing you must be standing she must be standing we must be standing you must be standing they must be standing
Perfect	V-ing perfect
I must have stood you must have stood she must have stood we must have stood you must have stood they must have stood	I must have been standing you must have been standing she must have been standing we must have been standing you must have been standing they must have been standing

Negation

Simple form	V-ing form
I mustn't stand you mustn't stand she mustn't stand we mustn't stand you mustn't stand they mustn't stand	I mustn't be standing you mustn't be standing she mustn't be standing we mustn't be standing you mustn't be standing they mustn't be standing
Perfect	V-ing perfect
I mustn't have stood you mustn't have stood she mustn't have stood we mustn't have stood you mustn't have stood they mustn't have stood	I mustn't have been standing you mustn't have been standing she mustn't have been standing we mustn't have been standing you mustn't have been standing they mustn't have been standing

Interrogative form

Simple form	V-ing form
must I stand? must you stand? must she stand? must we stand? must you stand? must they stand?	must I be standing? must you be standing? must she be standing? must we be standing? must you be standing? must they be standing?
Perfect	V-ing perfect
must I have stood? must you have stood? must she have stood? must we have stood? must you have stood? must they have stood?	must I have been standing? must you have been standing? must she have been standing? must we have been standing? must you have been standing? must they have been standing?

Interro-negative form

Simple form	V-ing form
mustn't I stand? mustn't you stand? mustn't she stand? mustn't we stand? mustn't you stand? mustn't they stand?	mustn't I be standing? mustn't you be standing? mustn't she be standing? mustn't we be standing? mustn't you be standing? mustn't they be standing?
Perfect	V-ing perfect
mustn't I have stood? mustn't you have stood? mustn't she have stood? mustn't we have stood? mustn't you have stood? mustn't they have stood?	mustn't I have been standing? mustn't you have been standing? mustn't she have been standing? mustn't we have been standing? mustn't you have been standing? mustn't they have been standing?