У вашего броузера проблема в совместимости с HTML5
Leonard Muellner (Professor Emeritus of Classical Studies at Brandeis University) and Belisi Gillespie present all the content covered in two semesters of a college-level Introduction to Ancient Greek course.
There are three different "voices" in Ancient Greek. In this short video, Professor Muellner explains what the voices are, why they exist, and how they can be confusing. Grasping these differences will serve to deepen your understanding of Greek when you begin reading full texts.