The document provides information about using the past simple form of the verb "to be" in English. It discusses using "was" and "were" to describe states, qualities, ages in the past. It provides examples of affirmative, negative, yes/no questions, and specialized questions using the past form of "to be". It also gives examples of time expressions that can be used with the past simple, such as "yesterday", "last week", and "two years ago".