1. The document provides instruction on using the past continuous tense in English to describe actions that were ongoing in the past. It gives examples like "Jane was working in the garden yesterday afternoon."
2. It also discusses using the past continuous tense along with the past simple tense and the word "when" to describe two simultaneous past actions, with one being interrupted by the other.
3. The document then shifts to discussing using the present continuous tense to describe future planned events, like "I am having a party next week."