이 콘텐츠는 현재 영어로 제공됩니다.
페이지 로딩 중…
이 콘텐츠는 현재 영어로 제공됩니다.
강좌 접근 권한 확인 중…
Countable nouns are things you can count: one sandwich, two sandwiches, three cakes.
a sandwich · two sandwiches · three cakes
For one countable thing, use a or an: a sandwich, an apple.
Uncountable nouns are things you do not count one by one: water, bread, milk, sugar, soup.
some water · some bread · some milk
a water ✗ → some water ✓