1) The document provides guidance on how to introduce oneself and others. It gives examples of introducing yourself by stating your name, age, hobbies, and saying phrases like "How do you do?" or "Nice to meet you." 2) When introducing someone else, it recommends saying something like "Dad, I'd like you to meet Ms. Yuniarti, she is my teacher" and having each person state their name and say "How do you do." 3) The document also covers asking for and denying information by using subject-verb-complement sentence structures like "I am not Sarah" or "She is a teacher."