ARTICLES A/AN
by Katerine Cortéz
1. a/an are considered indefinite articles
2. write a and an:
2.1. A: with consonants
2.1.1. A book
2.2. an: With vowels
2.2.1. A book
3. Use "a" and "an":
3.1. A: with singulars nouns
3.2. An: With word that start with a vowel sound
4. EXAMPLES:
4.1. -An alarm
4.1.1. An idea
4.2. A door
4.2.1. A pen