TeacherJoy

These two verbs must be super confusing for learners: 하다 and 되다. Let me clear that up for you.

“하다” means to do. It’s an active, transitive verb. The subject, the doer, has full control over the action.

But “되다”? That’s the opposite. It’s more like to be or to become. It’s used when something happens, not when someone does it.

The verb “되다” is also tied to the idea of completion, something reaches a finished state or comes true. So it often sounds passive, unintentional, or out of your hands.

Here’s a common phrase: “좋은 하루 되세요.”

It literally means, “May your day be a good day.” Not you make your day good, your day becomes good. That’s why 되다 fits perfectly here.

Now, let’s look at some examples:

• 예약했어요. – I made a reservation.
• 예약됐어요. – The reservation has been made.

One focuses on the doer, the other on the state.

Next one:

• 준비했어요. – I finished preparing.
• 준비됐어요. – I’m ready. or It’s ready.

Same logic. 되다 is about the state, not the action.

So to warp up:

• 다 했어요. – I’m done doing it.
• 다 됐어요. – It’s all done.

Focus on the result, not the action.

In short, “하다” is about doing, and “되다” is about happening.

Reference

• 우인혜(1993), “되다” 피동 표현의 통시적 고찰, 한양어문연구, 제11집, 79-100.