Past Perfect 1) What time ... the participants ... (to arrive) at the conference last Wednesday? - They ... (to arrive) by nine o'clock in the morning. 2) How many clients ... he ... (to serve) by the end of the day? - He ... (to serve) twelve clients. 3) ... the performance... (to finish) by nine o'clock yesterday? - No, it 4) Unfortunately Samantha... (never to use) this computer program before. 5) Whom ... Robert... (to see) during his last visit to our town? - He ... (to meet) some of his friends and relatives. 6) What hotel... you... (to choose) to stay at during your last trip? - I... (to stay) at the Hilton Hotel. 7) Pam ... (to have) such an experience before. 8)... Steve ... (to be) to our Theme Park before this visit? - Yes, he 9) Which street... they... (to live) before they moved? - They ... (to live) in Oak Street. 10) By what time ... your grandparents their work in the garden yesterday? - They ... (to finish) their work by six o'clock. ... (to finish)

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