English verb conjugation
MUST PREAUTHORIZE

Regular verb: preauthorize - preauthorized - preauthorized

Affirmation

Simple form	V-ing form
I must preauthorize you must preauthorize he must preauthorize we must preauthorize you must preauthorize they must preauthorize	I must be preauthorizing you must be preauthorizing he must be preauthorizing we must be preauthorizing you must be preauthorizing they must be preauthorizing
Perfect	V-ing perfect
I must have preauthorized you must have preauthorized he must have preauthorized we must have preauthorized you must have preauthorized they must have preauthorized	I must have been preauthorizing you must have been preauthorizing he must have been preauthorizing we must have been preauthorizing you must have been preauthorizing they must have been preauthorizing

Negation

Simple form	V-ing form
I must not preauthorize you must not preauthorize he must not preauthorize we must not preauthorize you must not preauthorize they must not preauthorize	I must not be preauthorizing you must not be preauthorizing he must not be preauthorizing we must not be preauthorizing you must not be preauthorizing they must not be preauthorizing
Perfect	V-ing perfect
I must not have preauthorized you must not have preauthorized he must not have preauthorized we must not have preauthorized you must not have preauthorized they must not have preauthorized	I must not have been preauthorizing you must not have been preauthorizing he must not have been preauthorizing we must not have been preauthorizing you must not have been preauthorizing they must not have been preauthorizing

Interrogative form

Simple form	V-ing form
must I preauthorize? must you preauthorize? must he preauthorize? must we preauthorize? must you preauthorize? must they preauthorize?	must I be preauthorizing? must you be preauthorizing? must he be preauthorizing? must we be preauthorizing? must you be preauthorizing? must they be preauthorizing?
Perfect	V-ing perfect
must I have preauthorized? must you have preauthorized? must he have preauthorized? must we have preauthorized? must you have preauthorized? must they have preauthorized?	must I have been preauthorizing? must you have been preauthorizing? must he have been preauthorizing? must we have been preauthorizing? must you have been preauthorizing? must they have been preauthorizing?

Interro-negative form

Simple form	V-ing form
must I not preauthorize? must you not preauthorize? must he not preauthorize? must we not preauthorize? must you not preauthorize? must they not preauthorize?	must I not be preauthorizing? must you not be preauthorizing? must he not be preauthorizing? must we not be preauthorizing? must you not be preauthorizing? must they not be preauthorizing?
Perfect	V-ing perfect
must I not have preauthorized? must you not have preauthorized? must he not have preauthorized? must we not have preauthorized? must you not have preauthorized? must they not have preauthorized?	must I not have been preauthorizing? must you not have been preauthorizing? must he not have been preauthorizing? must we not have been preauthorizing? must you not have been preauthorizing? must they not have been preauthorizing?