"Що ви будете робити у середу?"

Translation: What will you do on Wednesday?

[AnjaNoppinger]

Why is "What are you going to do on Wednesday?" false?

[Vinnfred]

"going to" is usually translated to Ukrainian using "збиратись": "Що ви збираєтесь робити у середу?"

[jdc2179]

How interchangeable are бути and збиратись?

[philipparker]

A nice article on the accusative case: https://www.ukrainianlessons.com/accusativecase/