# 구먼

Source: https://rickcarlino.com/notes/korean-language/patterns/구먼.html

Older form of <a href="/notes/korean-language/patterns/는-구나-는군-는군요.html">-는 구나, -는군, -는군요</a>
Usually casual.
==Not commonly used==, but typically seen in writing or spoken by older people.
[Go! Billy Korean](https://www.youtube.com/watch?v=klLIyR9yUgA)
There is also <a href="/notes/korean-language/patterns/구먼-구만.html">-구먼 -구만</a> which is a "grammatically incorrect" flavor of this pattern.