How to use A, An, The in English Using A in English A is used in front of singular countable nouns (a person, animal or thing) which are not specific. We don’t use a before uncountable or plural nouns. If a noun starts with a consonant sound (b, c, d, f, g, h, j, k, etc.), “a” comes before the noun. Examples; a cat, a bird, a child, a doctor Using An in English An is used in front of singular countable nouns which are not specific. We don’t use a before uncountable or plural nouns. If the noun