Past Perfect Progressive

Past Perfect Progressive

1. Past Perfect Progressive

2. Structure (Form) Structure Auxiliary Verb: Had Been Affirmative Subject + Aux Verb + Verb -ING I had been working She had been sleeping Negative Subject + Aux Verb Not + Verb –ING I had not been working She had not benn sleeping Question (WH Question) + Aux Verb + Subject + Verb -ING (When) Had you been working ? (Why) Had she been sleeping ?

3. The Past Perfect Progressive is used: To emphasize the duration of an action that took place before another action in the past. He had been living in California for 15 years when he moved to B oston.

4. To refer to an action whose duration caused visible results at a later point of time in the past. They were tired because they had been cleaning the house all day.

5. TIME EXPRESSIONS Before + point in time By + point in time Before, After, When, By the time How long, For, Since