Welcome to the Past Perfect Progressive – Negative Questions Quiz!
This quiz focuses on forming negative questions in the Past Perfect Progressive tense. These questions are used to ask whether an action had not been continuing before another action in the past.
- The Core Idea: Negative questions confirm a gap, interruption, or absence in an expected ongoing past action.
- Structure: Had + Subject + not + been + Verb-ing?
- Important Rule: NOT stays in the question only. Answer options remain affirmative.
- Common Use: Expressing doubt, surprise, or clarification about past background activity.