사전청약을

In a sentence

• 나는 사전청약을 신청하려고 준비 중이에요.

  I am preparing to apply for the pre-sale reservation.

  The word '사전청약을' is used as a direct object, indicating the action of applying.

• 많은 사람들이 사전청약을 통해 집을 구입하려고 합니다.

  Many people plan to purchase houses through pre-sale reservations.

  Here, '사전청약을' is mentioned as the means through which individuals achieve home purchases.

• 사전청약을 할 때 주의할 점이 많습니다.

  There are many points to be careful about when doing pre-sale reservations.

  In this case, '사전청약을' functions as the topic being referred to regarding actions to take while engaging in it.