The document explains two kinds of questions in English: wh- questions, which request specific information using words like 'who,' 'what,' 'where,' 'when,' 'why,' and 'how,' and yes/no questions, which can only be answered with 'yes' or 'no.' Examples of both question types are provided, illustrating how each is formed and used in conversation. Additionally, the document includes sample questions and answers to demonstrate their practical application.