This document discusses WH question words in English. It defines WH questions as questions that begin with interrogative words like who, what, when, where, why, and how. These words ask for specific information about people, things, times, places, reasons, or manners. The document provides examples of different WH question words and their functions, how to form WH questions depending on whether the topic is the subject or object, and how to respond to WH questions. It also briefly discusses the digraph "wh" and how it represents a single sound.