yeonchulgaga daeboneseo juyeongwa joyeoneul hwaginhaesseo.

The stage director checked the lead and supporting roles in the script.

Breakdown of yeonchulgaga daeboneseo juyeongwa joyeoneul hwaginhaesseo.

• 확인하다: to check
• 대본: the script
• 주연: the lead role
• 조연: the supporting actor or role

Questions & Answers about yeonchulgaga daeboneseo juyeongwa joyeoneul hwaginhaesseo.

How is this sentence broken down word by word?

A natural breakdown is:

• 연출가가 = 연출가

  • 가
  • 연출가 = director / stage director / producer-director, depending on context
  • 가 = subject marker

• 대본에서 = 대본

  • 에서
  • 대본 = script
  • 에서 = in / from / within, often marking the place or source where something happens or is found

• 주연과 조연을 = 주연

  • 과
    • 조연
      • 을
  • 주연 = leading role / main actor
  • 조연 = supporting role / supporting actor
  • 과 = and
  • 을 = object marker, attached to the whole phrase 주연과 조연

• 확인했어 = 확인하다 in the past casual form

  • 확인하다 = to check, confirm, identify
  • 했어 = did / checked / confirmed

So the structure is basically:

[Subject] 연출가가 [Location/Source] 대본에서 [Object] 주연과 조연을 [Verb] 확인했어

Why does 연출가 take 가 here?