English verb conjugation
MUST STAGE

Regular verb: stage - staged - staged

Affirmation

Simple form	V-ing form
I must stage you must stage he must stage we must stage you must stage they must stage	I must be staging you must be staging he must be staging we must be staging you must be staging they must be staging
Perfect	V-ing perfect
I must have staged you must have staged he must have staged we must have staged you must have staged they must have staged	I must have been staging you must have been staging he must have been staging we must have been staging you must have been staging they must have been staging

Negation

Simple form	V-ing form
I must not stage you must not stage he must not stage we must not stage you must not stage they must not stage	I must not be staging you must not be staging he must not be staging we must not be staging you must not be staging they must not be staging
Perfect	V-ing perfect
I must not have staged you must not have staged he must not have staged we must not have staged you must not have staged they must not have staged	I must not have been staging you must not have been staging he must not have been staging we must not have been staging you must not have been staging they must not have been staging

Interrogative form

Simple form	V-ing form
must I stage? must you stage? must he stage? must we stage? must you stage? must they stage?	must I be staging? must you be staging? must he be staging? must we be staging? must you be staging? must they be staging?
Perfect	V-ing perfect
must I have staged? must you have staged? must he have staged? must we have staged? must you have staged? must they have staged?	must I have been staging? must you have been staging? must he have been staging? must we have been staging? must you have been staging? must they have been staging?

Interro-negative form

Simple form	V-ing form
must I not stage? must you not stage? must he not stage? must we not stage? must you not stage? must they not stage?	must I not be staging? must you not be staging? must he not be staging? must we not be staging? must you not be staging? must they not be staging?
Perfect	V-ing perfect
must I not have staged? must you not have staged? must he not have staged? must we not have staged? must you not have staged? must they not have staged?	must I not have been staging? must you not have been staging? must he not have been staging? must we not have been staging? must you not have been staging? must they not have been staging?