Uncountable nouns, also known as mass nouns, are nouns that cannot be counted individually. They generally represent substances, concepts, or qualities that cannot be divided into separate elements. Uncountable nouns do not have a plural form and are not used with the indefinite article "a" or "an".
Uncountable nouns are used with specific quantifiers or containers when referring to their quantity. They can be used with words like "some", "any", "a lot of", "much", "little", "a cup of", "a bottle of", etc. to express their amount or volume.
Here are some tips to remember when dealing with uncountable nouns:
Remember, understanding uncountable nouns is important for constructing grammatically correct sentences and developing a strong vocabulary.