SOME RULES FOR ARTICLES
A AND AN: INDEFINITE ARTICLES
- Use before countable nouns: A house, a book, a car.
- Do not use with uncountable nouns: Bread, furniture, money, news, water.
- To refer to something for the first time: Did I tell you I got a new job? / There is a man standing outside.
- To refer to a particular member of a group or class: John is an Englishman.
Kate is a dancer.