The document provides information about things to do and see in various cities in Mexico and Argentina using modal verbs like "can" and "should". It discusses what visitors can do in places like Acapulco, Monterrey, and Buenos Aires, including staying in hotels, visiting attractions, going to nightclubs, restaurants, and more. It also recommends things visitors shouldn't miss, like live music, parks, and neighborhoods. The document encourages discussing activities in one's own hometown using modal verbs to describe options and recommendations for visitors.