Among English tenses , the past perfect continuous tense is a particularly nuanced form that allows us to express the duration of an action that began in the past and continued until another point in the past . The past perfect continuous tense , also known as the past perfect progressive tense, describes an action that began in the past and continued until a specified later point in the past. Past perfect continuous tense is also one of the forms of verb tenses . Today, we are going to discuss past perfect continuous with examples, formula, and exercises at the end. Definition The past perfect continuous tense is used to describe the action that was not completed by a certain date or time in the past . We can say that we add the idea of the past continuous tense to the idea of the past perfect tense .
