I _____ for the postman for long? (According to the Past Perfect Continuous Tense).

Review the verified answer and explanation for this Anti Narcotics Force (ANF) past-paper question on CampusFin.

I _____ for the postman for long? (According to the Past Perfect Continuous Tense). Answer: Had been waiting

The past perfect continuous tense uses “had been” followed by an -ing form. Therefore, “had been waiting” correctly describes an action continuing for a period before another past reference point.