English verb conjugation
MUST STAND

Irregular verb: stand - stood - stood

Affirmation

Simple form	V-ing form
I must stand you must stand he must stand we must stand you must stand they must stand	I must be standing you must be standing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he stand? must we stand? must you stand? must they stand?	must I be standing? must you be standing? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been standing? must we not have been standing? must you not have been standing? must they not have been standing?