# 1Multiple ChoiceWhat is the structure of the Past Perfect Progressive? Subject + had + been + verb-ingSubject+ have/has + been + verb -ingSubject + had + past participle
# 3Multiple Choice"They _______ (study) for hours before the test started." have been studyinghad been studying
# 4Multiple Choice"By the time we arrived, he _______ (wait) for over an hour." has been waitinghad been waiting
# 5Multiple ChoiceWhich sentence is in the Present Perfect Progressive? I had been studying English.She has been studying English.They were studying English.He studies English.
# 6Multiple ChoiceWhich sentence is in the Past Perfect Progressive? I have been working all day.She has worked here for years.They had been working all day.We are working now.
# 7Multiple Choice"She has been waiting for 30 minutes."Present Perfect ProgressivePast Perfect Progressive
# 8Multiple Choice"They had been traveling for hours."Present Perfect ProgressivePast Perfect Progressive
# 9Multiple ChoiceWhat is the main use of the Present Perfect Progressive?To talk about a completed action in the past.To describe an ongoing action that started in the past and continues now.To talk about habits.
# 10Multiple ChoiceWhat is the structure of the Present Perfect Progressive? Subject + had + been + verb-ingSubject + have/has + been + verb-ingSubject + have/has + past participle