This chapter discusses the past continuous tense and how to identify and use it in both spoken and written interactions. It provides examples of using the past continuous tense, such as "She was sleeping" and "We were talking." It then gives a story about a family experiencing a mud flood in their home as their village was hit by lava from an erupting volcano. The story describes how the mud quickly filled their home and they had to escape to the roof to survive. It aims to teach students to identify and use the past continuous tense through examples and a narrative text.