Articles “a/an”
We use “a” when the noun starts with a consonant sound.

a dog

a house

a church
We use “an” when the noun starts with a vowel sound.

an apple

an umbrella

an egg
Exceptions
- When the “u” sounds like a “y”.
- a university
- a UFO
- a unicorn
- When consonants have a vowel sound.
- an MBA
Plural nouns
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