상담 간편 전화상담 상품 자세�?보기 The 2 commonest grammatical rules in which this happens is when conjugating prior to now or current tenses. For illustrations: - 국민건강보험종합계획 �?연도�?시행계획, 요양급여�?기준, 요양급여비용, 가입자�?보험�?수준 �?건강보험�?관�