Countable nouns refer to things you can count (e.g., one apple, two apples). Uncountable nouns refer to substances or concepts that cannot be divided into separate elements (e.g., water, information). This guide explains the rules and shows how to use these nouns correctly.

Countable Nouns

Countable nouns name things that can be counted as individual units. They have both singular and plural forms. You can use numbers directly with these nouns and use quantifiers like “many,” “few,” “a few,” “some,” and “several.”

Usage

  • Singular countable nouns use a or an (e.g., a book, an apple).
  • Plural countable nouns use -s or -es (e.g., books, boxes).
  • Can be preceded by numbers (e.g., three cars, ten chairs).

Examples

SingularPluralExample Sentence
appleapplesShe has an apple.
carcarsThere are five cars.
dogdogsI saw two dogs.

Uncountable Nouns

Uncountable nouns name substances, concepts, or groups that cannot be counted individually. They do not have a plural form and cannot be used with numbers directly. Use quantifiers like “some,” “much,” “a little,” and “a lot of” instead.

Usage

  • Do not use a or an with uncountable nouns.
  • No plural form (e.g., informations is incorrect).
  • Use quantifiers to indicate quantity (e.g., some water, a little sugar).

Examples

NounExample Sentence
waterI need some water.
sugarShe put a little sugar in tea.
informationWe received a lot of information.

Common Mistakes

Using “a” or “an” with Uncountable Nouns

  • Incorrect: I need a water.
  • Correct: I need some water.

Using Plural Forms for Uncountable Nouns

  • Incorrect: There are many informations.
  • Correct: There is much information.

Using “many” with Uncountable Nouns

  • Incorrect: How many sugar do you want?
  • Correct: How much sugar do you want?

Quantifiers for Countable and Uncountable Nouns

QuantifierCountable ExampleUncountable Example
someI have some books.I need some milk.
anyAre there any apples?Is there any water?
manyThere are many chairs.
muchThere is much noise.
a fewI have a few pens.
a littleI have a little time.

Conclusion

  • Use countable nouns for things you can count directly.
  • Use uncountable nouns for substances or concepts that cannot be divided.
  • Choose quantifiers and articles based on whether the noun is countable or uncountable.

Last updated: Wed Jun 18, 2025

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