This lesson teaches the past simple form of the verb "to be" (was/were). Key components include:

- Learning when to use "was" and "were"

- Forming negative sentences with "wasn't" and "weren't"

- Creating questions with "Was...?" and "Were...?"

- Practicing time expressions for the past 

- Describing past situations and states

- Exercises reordering words to form sentences and transforming present tense to past tense