'거든'하고 '면'은 어떻게 다릅니까?
(가정) if, when, provided (that)
그를 만나거든 들러 달라고 전해다오
If you meet him, tell him to call on me.
다 썼거든 돌려주게나
Return it to me when you have done with it.
작거든 큰 것으로 바꾸어라
If it is too small, change it with a bigger one.
청소를 다하였거든 돌아가라
You may leave when you have done with cleaning.