Verb conjugation of "vietare" in Italian

Do you think it would be good to put a regional box near each translation [optional of course]? That means a translator can check countries if it is only used there. Regional differences appear in all languages.
The last sentence is the hardest in the entire series. Writing may bore some people, but it is considered the best training in language learning. It is a skill that can lift you from intermediate to advanced level. Do not neglect it.
In school, we now are learning the grammar part, more specifically, the participles and so on. I understand it at all, but the conjugations, boy they are tough. A lot of patience is needed.