The document discusses tag questions in English. Tag questions are statements followed by a mini-question, called a question tag. They are used to ask for confirmation of a statement, meaning "am I right?" or "do you agree?". The structure is a positive statement followed by a negative tag, or a negative statement followed by a positive tag. Examples are given of common tag questions with different subjects, auxiliaries, and verbs. Special cases and the use of intonation to change meaning are also covered.