The document summarizes the use of the past continuous tense in English. It discusses how the past continuous can be used to describe background events or ongoing actions in the past. It then provides examples of how to form past continuous sentences in the affirmative, negative, yes/no questions, and WH-questions. Specifically, it notes that affirmative sentences use was/were + verb+ing, negatives add not, yes/no questions invert the subject and auxiliary verb, and WH-questions begin with an interrogative before the inverted subject and auxiliary verb.