This second volume presents 50 more Italian irregular verbs arranged alphabetically and conjugated in all persons, tenses and moods.
Unfortunately, there is no general rule that can help you guess what their endings will be.
They are irregular, so you'll just have to live with it and learn them by heart.
By the same author:
Italian Irregular Verbs (Book 1)
Scrivi una recensione per "Italian Irregular Verbs Fully Conjugated in all Tenses"