The document discusses how life used to be different in the past compared to now. It provides examples of how people used to dress differently, with women wearing long dresses and carrying parasols. It also notes that people didn't used to go out alone at night. The document then explains how the phrase "used to" is used to talk about past habits or things that no longer happen. It provides examples of forming questions and negatives using "did/didn't use to." Finally, it lists some other ways life was different, like people riding horses and not driving cars or watching TV in the past.