This document provides a lesson on using the past simple form of the verb "to be" in English. It discusses:
1. The conjugations of the positive, negative and interrogative forms of the past simple of "to be", including the short forms.
2. How the past simple of "to be" is used to talk about past time frames and situations. Examples are given using "was" and "were".
3. The use of "there was/were" to talk about something in the past, along with examples and questions.
4. Several exercises are provided to practice using the past simple of "to be" in sentences, filling in blanks, answering questions, and