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 mustn't preauthorize you mustn't preauthorize he mustn't preauthorize we mustn't preauthorize you mustn't preauthorize they mustn't preauthorize	I mustn't be preauthorizing you mustn't be preauthorizing he mustn't be preauthorizing we mustn't be preauthorizing you mustn't be preauthorizing they mustn't be preauthorizing
Perfect	V-ing perfect
I mustn't have preauthorized you mustn't have preauthorized he mustn't have preauthorized we mustn't have preauthorized you mustn't have preauthorized they mustn't have preauthorized	I mustn't have been preauthorizing you mustn't have been preauthorizing he mustn't have been preauthorizing we mustn't have been preauthorizing you mustn't have been preauthorizing they mustn't 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
mustn't I preauthorize? mustn't you preauthorize? mustn't he preauthorize? mustn't we preauthorize? mustn't you preauthorize? mustn't they preauthorize?	mustn't I be preauthorizing? mustn't you be preauthorizing? mustn't he be preauthorizing? mustn't we be preauthorizing? mustn't you be preauthorizing? mustn't they be preauthorizing?
Perfect	V-ing perfect
mustn't I have preauthorized? mustn't you have preauthorized? mustn't he have preauthorized? mustn't we have preauthorized? mustn't you have preauthorized? mustn't they have preauthorized?	mustn't I have been preauthorizing? mustn't you have been preauthorizing? mustn't he have been preauthorizing? mustn't we have been preauthorizing? mustn't you have been preauthorizing? mustn't they have been preauthorizing?