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 must not stand you must not stand she must not stand we must not stand you must not stand they must not stand	I must not be standing you must not be standing she must not be standing we must not be standing you must not be standing they must not be standing
Perfect	V-ing perfect
I must not have stood you must not have stood she must not have stood we must not have stood you must not have stood they must not have stood	I must not have been standing you must not have been standing she must not have been standing we must not have been standing you must not have been standing they must not 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
must I not stand? must you not stand? must she not stand? must we not stand? must you not stand? must they not stand?	must I not be standing? must you not be standing? must she not be standing? must we not be standing? must you not be standing? must they not be standing?
Perfect	V-ing perfect
must I not have stood? must you not have stood? must she not have stood? must we not have stood? must you not have stood? must they not have stood?	must I not have been standing? must you not have been standing? must she not have been standing? must we not have been standing? must you not have been standing? must they not have been standing?