Question

존은 하품을 하다가는 턱이 빠졌어요 Less commonly, the -은/는 particle can be used to add emphasis to a specified piece of a sentence. In such case, -은/는 attaches to some connectives like -(으)니까 or -다가.In everyday speech, -은/는 sometimes shortens to ㄴ in cases like 난 (for 나는), and 이건 (for 이것은).While -은/는 can follow particles like -에(서) or -에게(서), it can never occur along with the subject (-이/가) or the object (-을/를) particles.The -은/는 particle cannot be used as a replacement for the -이/가 subject particle if the marked part represents information mentioned for the first time.An -은/는-marked part communicating old or trivial information can be dropped in casual speech.

Accepted Answer

John dislocated his jaw while yawing

Front	존은 하품을 하다가는 턱이 빠졌어요
Back	John dislocated his jaw while yawing
Notes	Less commonly, the -은/는 particle can be used to add emphasis to a specified piece of a sentence. In such case, -은/는 attaches to some connectives like -(으)니까 or -다가. In everyday speech, -은/는 sometimes shortens to ㄴ in cases like 난 (for 나는), and 이건 (for 이것은). While -은/는 can follow particles like -에(서) or -에게(서), it can never occur along with the subject (-이/가) or the object (-을/를) particles. The -은/는 particle cannot be used as a replacement for the -이/가 subject particle if the marked part represents information mentioned for the first time. An -은/는-marked part communicating old or trivial information can be dropped in casual speech.

은/는 Particle Subject Part Information 존은 하품을 하다가는