월세를

In a sentence

• 저희는 매달 월세를 꼬박꼬박 냅니다.

  We consistently pay the monthly rent every month.

  '월세를' is being used here to denote the monthly rent that is being paid by the subject every month.

• 월세를 내지 못해서 집주인과 상담을 했습니다.

  I was unable to pay the monthly rent, so I consulted the landlord.

  '월세를' is used as the object of the action 'unable to pay', indicating the rent that could not be fulfilled.

• 그 집은 월세를 내야 하므로 비용이 많이 든다.

  That house requires monthly rent payments, so it is expensive.

  '월세를' here is used to refer to the concept of requiring monthly rental payment tied to living in the mentioned house.