The document discusses various English verb tenses used to talk about the past, including:
1. Simple Past (e.g. "I went to the store yesterday")
2. Past Progressive/Continuous (e.g. "I was watching TV when the phone rang")
3. Past Perfect (e.g. "I had finished my homework before going out")
4. Past Perfect Progressive (e.g. "I had been waiting for over an hour when she arrived")
It provides examples of how to use each tense and exercises for learners to practice forming sentences in the past tenses.