The document defines and provides examples of the past continuous tense in English grammar. Specifically: - The past continuous tense, also called the past progressive tense, describes a continuing action or state that was happening in the past. It uses was/were plus the present participle (-ing form) of the main verb. - Common uses of the past continuous tense include describing past conditions or ongoing actions that were interrupted by other past events. - Examples are provided of positive, negative, and interrogative sentences in the past continuous tense, as well as examples contrasting it with the past perfect continuous tense.