This document provides examples of countable and uncountable nouns, examples using "a/an" with countable nouns, and examples using "a/an", "some", and "any" in different contexts. It contains 4 sections: A) identifying nouns as countable or uncountable, B) using "a/an" with countable nouns, C) using "a/an", "some", and "any", and D) more examples using "a/an", "some", and "any". The document is designed to help practice different uses of nouns and determiners in English.