Indefinite Article ( a / an )
저자: Alexander Martinez
1. Use "a" if the word starts with consonant.
1.1. Example
1.1.1. a girl
1.1.2. a cat
1.1.3. a bird
2. Don´t use a/an to identify uncontable nouns. For example: Sugar, Milk, Salt, Wine, etc.
3. Use "an" if the word starts with a vowel.
3.1. Example
3.1.1. an apple
3.1.2. an umbrella
3.1.3. an eraser