Uncountable Nouns

What are Uncountable Nouns?
Uncountable nouns (also called mass nouns) refer to things that we cannot count as individual units. They are often:
 * Abstract ideas: love, happiness, knowledge, advice
 * Materials or substances: water, sand, air, rice
 * Groups of items: furniture, luggage, clothing
 * Languages: English, Spanish, Mandarin
 * Activities: reading, swimming, traveling
Key Points
 * Singular form: Uncountable nouns always take a singular verb.
   * Incorrect: The informations are helpful.
   * Correct: The information is helpful.
 * No "a/an": We don't use the articles "a" or "an" before uncountable nouns.
   * Incorrect: I need an advice.
   * Correct: I need advice.
 * "Some" or "any": Use "some" in positive sentences and "any" in questions or negative sentences.
   * Examples: I need some water. Do you have any information?
 * Quantifying: To measure or count uncountable nouns, use units of measurement or containers.
   * Examples: a cup of coffee, a grain of sand, a piece of furniture
Common Examples of Uncountable Nouns
 * Abstract: beauty, education, fun, health, hope, knowledge, luck, music, peace, time, work
 * Food: bread, butter, cheese, coffee, meat, pasta, salt, sugar, tea, water
 * Materials: air, cement, cloth, cotton, gold, glass, iron, paper, plastic, silver, wood
 * Natural phenomena: darkness, fog, heat, humidity, light, rain, snow, weather
 * Other: advice, baggage, clothing, equipment, furniture, homework, information, luggage, money, news, progress, research, traffic, travel