A, An, or Some
“A,” “an,” and “some” are all determiners in English, but they are used in slightly different ways.
“A” and “an“:
- These are indefinite articles and are used to refer to non-specific items or things. The choice between “a” and “an” depends on the sound that follows the article, not the written letter.
- Use “a” before words that begin with a consonant sound.
- e.g., a car, a book, a dog, a knee, a knife
- Use “an” before words that begin with a vowel sound.
- e.g., an igloo, an hour, an honest person, an elephant, an echo
“Some”:
- “Some” is used as a determiner before plural countable nouns or non-countable nouns when the exact quantity is unknown or not specified.
Examples:
- “I have some friends coming over.”
- “Can you pass me some salt?”
- “There are some books on the shelf.”
- “She has some experience in marketing.”
- “I need some advice about my job.”
- “We bought some groceries for the week.”
- “There are some clouds in the sky.”
“Some” is also used in affirmative sentences to express a positive quantity:
- “She has some experience in marketing.”
In summary, “a” and “an” are used to refer to non-specific singular items based on the sound that follows, while “some” is used for non-specific quantities of plural countable nouns or non-countable nouns.
Test yourself!

a, an, or some?
Choose the correct answer in each sentence.