English verb conjugation
CAN PREAUTHORIZE

Regular verb: preauthorize - preauthorized - preauthorized

Affirmation

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

Negation

Simple form	V-ing form
I can't preauthorize you can't preauthorize he can't preauthorize we can't preauthorize you can't preauthorize they can't preauthorize	I can't be preauthorizing you can't be preauthorizing he can't be preauthorizing we can't be preauthorizing you can't be preauthorizing they can't be preauthorizing
Perfect	V-ing perfect
I can't have preauthorized you can't have preauthorized he can't have preauthorized we can't have preauthorized you can't have preauthorized they can't have preauthorized	I can't have been preauthorizing you can't have been preauthorizing he can't have been preauthorizing we can't have been preauthorizing you can't have been preauthorizing they can't have been preauthorizing

Interrogative form

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

Interro-negative form

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