I must preauthorize you must preauthorize he must preauthorize we must preauthorize you must preauthorize they must preauthorize
V-ing form
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
I must have preauthorized you must have preauthorized he must have preauthorized we must have preauthorized you must have preauthorized they must have preauthorized
V-ing perfect
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
I must not preauthorize you must not preauthorize he must not preauthorize we must not preauthorize you must not preauthorize they must not preauthorize
V-ing form
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
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
V-ing perfect
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
must I preauthorize? must you preauthorize? must he preauthorize? must we preauthorize? must you preauthorize? must they preauthorize?
V-ing form
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
must I have preauthorized? must you have preauthorized? must he have preauthorized? must we have preauthorized? must you have preauthorized? must they have preauthorized?
V-ing perfect
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
must I not preauthorize? must you not preauthorize? must he not preauthorize? must we not preauthorize? must you not preauthorize? must they not preauthorize?
V-ing form
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
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?
V-ing perfect
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?