마쳤고

In a sentence

• 그는 오늘의 작업을 마쳤고 바로 집으로 향했다.

  He finished today's work and immediately headed home.

  In this sentence, '마쳤고' is used to indicate that the subject completed an action—finishing work—and connects to the subsequent action.

• 나는 모든 준비를 마쳤고 행사에 참여할 준비가 되었다.

  I finished all preparations and am ready to participate in the event.

  Here, '마쳤고' signifies successfully concluding the preparations, followed by stating readiness for the main activity.

• 우리는 프로젝트를 마쳤고 결과를 발표할 예정이다.

  We finished the project and are planning to present the results.

  '마쳤고' in this context emphasizes the completion of a project prior to announcing outcomes, illustrating its use to connect completed action with subsequent plans.