이를 통해 우수한 병원을 쉽게 찾아볼 수 있으�? 동네에서 필요한 의료 서비스를 안심하고 이용할 수 있습니�? The 2 most popular grammatical rules in which this happens is when conjugating in the past or current tenses. For examples: 항공편이 지연되거나 결항되는 경우에