This document provides information about different types of questions in English grammar. It discusses 'Wh-questions', which use question words like who, what, when, where, why and how to ask for specific information. It also discusses 'Yes/No questions' which can be framed using forms of the verbs 'be' or 'do/does' and require a yes or no answer. The document then explains how to form 'Wh-questions' and 'Yes/No questions' with examples. It also discusses 'question tags', which are short questions added to statements to ask for confirmation, and lists the 24 'special verbs' or 'auxiliaries' that are commonly used to form question tags.