받았고

In a sentence

• 친구에게서 선물을 받았고, 매우 기쁩니다.

  I received a gift from a friend and I'm very happy.

  In this sentence, '받았고' serves as a connector indicating that the action of receiving (받다) a gift has been completed and introduces a related emotional reaction.

• 저는 테스트 결과를 최근에 받았고, 예상보다 좋았습니다.

  I recently received my test results, and they were better than expected.

  Here, '받았고' shows sequential events where the reception of test results (받다) leads to making an observation about them.

• 우리가 초대를 받았고 모두 참석할 수 있기를 바랍니다.

  We received an invitation, and we all hope to be able to attend.

  In this context, '받았고' is used to link the act of having received (받다) an invitation to the subsequent hope for attendance.