It was really only a little linnet singing outside his window, but it was so long since he had heard a bird sing in his garden that it seemed to him to be the most beautiful music in the world.* 동사 ing가 명사를 뒤에서 꾸미는 용법a little linnet singing outside his window* so 형용사 that절 구문so long... that it seemed...*과거 완료since he had heard... * 지각동사 구문he had heard a bird sing...* seem 구문it seemed to be...