The Indefinite Article

The indefinite article is a or an. The form a is used before a word beginning with a consonant, or a vowel sounded like a consonant.

For examples:

• a table
• a university
• a useful thing

The form an is used before words beginning with a vowel (a, e, u, i, o) or words beginning with a mute h:

For examples:

• an hour
• an egg
• an apple

It is the same for all genders:

• a man
• a woman
• an actor
• an actress