The document discusses affirmative and negative courtesy phrases. It provides examples of affirmative phrases like "Open the door" and "Close your book" paired with their negative counterparts "Don't open the door" and "Don't close your book". It also shows the polite version of each phrase added with "please".

46. affirmative Negative Courtesy
Open the door Don`t open the door Open the door,please
Close your book Don`t close your book Don`t close your book,please