2. simple past and past progressive

The document discusses the simple past and past progressive tenses in English grammar. The simple past is used to describe completed actions or events that happened at a specific time in the past. The past progressive describes actions or events that were ongoing or in progress over a period of time in the past. Some examples are provided to illustrate using the simple past to talk about completed actions and the past progressive to talk about background activities that were happening simultaneously with the main event.