TeacherJoy

It’s time to learn another pre-noun forming ending: ‘-는.’ 

As I’ve always said, pre-nouns always come before nouns in Korean. The ending ‘-는’ represents the ongoing state of an action. And it’s only one shape—nothing changes when conjugating!

Today, let’s zoom in on a very common dependent noun: “중.”

A dependent noun can’t stand alone. “중” is a Sino-Korean noun, meaning “middle.”
Because of this meaning, “중” always implies that something is currently ongoing.

I’ve got the noun “사용,” meaning ‘use.’
When you put “중” after “사용,” you get “사용 중,” which means “in use.” Since these are two separate words, a space is usually correct: “사용 중.”

You won’t find “사용중” in a dictionary as a single word. But it’s so commonly used as an idiomatic expression that you’ll often see it without a space in real life! 

Now, how would you say “I’m on the way” in Korean?
You already know this: “가고 있어요,” right?
But here’s another common way: “가는 중이에요.” It means exactly the same thing! 

Because of “중’s” core meaning,
it’s inappropriate to combine it with an action that’s already done or a static state. 

It must always be “-는 중.” That’s why you learn this specific grammar pattern as a fixed chunk expression.

Let’s have just one more example.
“동안” means the time span of an action or an event. It lasts until something interrupts the action or the event. 

That’s why “동안” takes pre-noun formed verbs like “먹는 동안,” “자는 동안,” and so on. The action is ongoing!

Many of the grammar patterns you learn are like this.
So, mastering these pre-noun forming endings will truly help you grasp the big picture of Korean grammar.

But remember, no single rule can explain an entire language.
Understanding the big picture—that’s what’s most important!