The document provides examples and exercises on using auxiliary verbs "do" and "does" for questions and negative sentences in English. It explains that "do" is used for first person plural and third person plural subjects, while "does" is used for third person singular subjects. Examples are given for forming yes/no questions and short answers using auxiliary verbs. Multiple choice and fill-in-the-blank exercises are included for practice identifying and using auxiliary verbs in questions and negative sentences.