There’s nothing wrong with trying to make sense of something new using terms and concepts you already know and that click for you. We all do it, me included.

I was speaking more broadly about learning Japanese and what I see on HN. Every six months or so, somebody discovers a clever pattern in the Japanese language. It’s almost always related to something taught in the beginning, the N5 level. And that pattern seems to have been eluding rest of us.

Specifically about your post, I think there's a shorter and simpler explanation of the verbs. One good example: https://kellenok.github.io/cure-script/5-verb-groups-and-the...