The document provides a review of countable and uncountable nouns. It begins by listing examples of common nouns and indicating whether they are countable or uncountable. It then discusses the use of articles like "a", "an", and "some" with countable and uncountable nouns. The document also covers nouns that can be both countable and uncountable depending on the context. It provides partitive expressions that can be used with uncountable nouns and includes examples. Finally, it includes an exercise for the reader to practice identifying countable and uncountable nouns.