bakkeseo keun soriga naseo gongbureul banghaehaeyo.

location particle

Breakdown of bakkeseo keun soriga naseo gongbureul banghaehaeyo.

• ~를: object particle
• ~가: subject particle
• 공부: study

Questions & Answers about bakkeseo keun soriga naseo gongbureul banghaehaeyo.

Why does it use 밖에서 and not 밖에?

밖에서 marks the location where the sound originates/occurs: 밖에서 큰 소리가 나다 = a loud sound happens/comes from outside.
밖에 usually means outside (as a place you’re at/going to) or appears in patterns like 밖에 없다 (there’s only…). For “a sound occurs outside,” -에서 is the natural choice.

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What does 소리가 나다 literally mean, and why not 소리를 내다?

• 소리가 나다 = a sound comes out / is heard (the sound “happens” on its own; focus on the sound occurring).
• 소리를 내다 = to make a sound (someone actively produces it).

Here the sentence focuses on the fact that a loud noise occurred outside, not on who intentionally made it, so 소리가 나서 is appropriate.

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What is -아서/어서 doing in 나서?

나서 is 나다 + -아서/어서, meaning “because/since (a sound) occurs” or “and then” depending on context.
In this sentence it functions as a cause: 큰 소리가 나서 … = Because a loud sound happened…

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Can -아/어서 here mean “and then” instead of “because”?