Worksheet: Countable nouns & and collective nouns - Countable and uncountable nouns

Noun worksheets: countable or uncountable?

Countable nouns (e.g. trees) represent items we can count with numbers; they can be singular or plural. Uncountable nouns (e.g. sugar or knowledge) are not individual objects and cannot be counted; they are almost always singular. In these worksheets students classify nouns as countable or uncountable.