Which verb is in the past perfect progressive tense? Choose that verb to correctly complete the sentence. I __________ on the couch when the phone rang. A. have been sleeping B. had been sleeping C. had slept D. was sleeping
B. I had been sleeping I had been sleeping on the couch when the phone rang. This is the correct answer, because this tense shows a continuous action that has been completed in the past. It is formed by using "had" + "been", therefore B is correct.
