결정할

In a sentence

• 나는 내일 어떤 옷을 입을지 결정할 것이다.

  I will decide what clothes to wear tomorrow.

  In this sentence, '결정할' is the future form of '결정하다', meaning 'to decide'. It describes the act of making a decision in the future concerning the selection of clothing.

• 그는 중요한 프로젝트를 어떻게 진행할지 결정할 책임이 있습니다.

  He is responsible for deciding how to proceed with an important project.

  Here, '결정할' functions to denote a decision that must be made, carrying a sense of responsibility for the process in regard to the progression of an important project.

• 우리는 여행 일정을 지금 결정할 필요가 있어요.

  We need to decide the travel schedule now.

  In this instance, '결정할' expresses an immediate need to make a decision about something specific, namely the travel schedule.