The document provides examples of using past tense forms of "to be" and examples using "there was/were" and "there is/are". For the past tense examples, the reader is prompted to fill in blanks with "was" or "were" to complete sentences about people's locations in the past. For the "there was/were" examples, the reader is given numbers in parentheses telling them how many of an item there was yesterday and is prompted to fill in blanks with "was/were" or "is/are" accordingly.