How to Use ~는지 "Whether/if" (~지, ~는지) | Live Class Abridged

The grammar form ~지 has SO MANY uses, from the most beginning stages up to the advanced level. Depending on how it's used, it can mean anything from "how to" to "whether" or "if" - or it can even have no translation outside of context.

But because ~지 is a common grammatical form that appears everywhere, I wanted to do a live stream detailing all of its uses. This live stream covers from its most basic uses to its advanced ones, and this abridged video does it all in a much shorter amount of time.

What was the harder part of ~지 for you to master?