This document discusses the use of the auxiliary verbs "do" and "does" in the present simple tense in English. It lists which pronouns each auxiliary verb is used with, including "I", "you", "we", "they", "she", "he", and "it" for "does" and the third person singular for "do". It also notes that "do" and "does" are used with the present tense and to form questions, answers, short affirmative and negative statements, and short and long questions.