review some passive voice sentences and some negative and tag questions and get familiar with some unappreciated technologies that we use everyday

in this video they talk about some unappreciated technologies that have changed our lives

Unappreciated Technologies That Have Changed Our Lives

unappreciated-technologies-that-have-changed-our-lives

Let's do English ESL general grammar practice. review some passive voice sentences and some negative and tag questions and get familiar with some unappreciated…