In this edition, the following improvements have been made:

• In the Introduction, at the end, the rules regarding the quantity of the dual of the past participle of the heavy verbs were added.
• Other verbs were included and forms that are found in Tragic or later authors taught in Gymnasium were listed.
• Very irregular verb forms, such as egrēgora, edēdoka, enēnoka, etc., were listed as lemma with a reference to the verbs they belong to.
• The quantity of the dual thematic vowel was marked only for exceptions to the rules regarding the quantity of the dual of the past participle or verbs not mentioned there. For the quantity of the dual of the past participle of all other verbs, the reader should refer to these rules.
• The book was supplemented with etymological information.