The past continuous tense is used to describe an action that was happening over a period of time in the past. It is formed by using was/were + verb+ing to convey that something was ongoing or in progress at a specific time in the past or simultaneously with another action. This tense can be used to talk about what someone was doing before or during another past action or event.

1. We use the past continuous tense to describe a past action over a period of time
Past Continuous Timeline