1. They *had been working* (naudokite Past Perfect Progressive) on the project before the deadline.
2. She *had been studying* (naudokite Past Perfect Progressive) for hours when I arrived.
3. We *had been waiting* (naudokite Past Perfect Progressive) at the bus stop for 20 minutes.
4. He *had been playing* (naudokite Past Perfect Progressive) football before it started raining.
5. The children *had been sleeping* (naudokite Past Perfect Progressive) when the phone rang.
6. I *had been reading* (naudokite Past Perfect Progressive) the book all evening.
7. They *had been traveling* (naudokite Past Perfect Progressive) for days before they reached the city.
8. She *had been cooking* (naudokite Past Perfect Progressive) dinner when the guests arrived.
9. We *had been talking* (naudokite Past Perfect Progressive) about the problem before the meeting.
10. He *had been driving* (naudokite Past Perfect Progressive) for hours when he stopped for a break.

1. Before she left, she *had been cleaning* (naudokite Past Perfect Progressive) the house all morning.
2. They *had been practicing* (naudokite Past Perfect Progressive) the song before the concert.
3. I *had been thinking* (naudokite Past Perfect Progressive) about the problem for days.
4. He *had been feeling* (naudokite Past Perfect Progressive) tired after working late.
5. We *had been learning* (naudokite Past Perfect Progressive) English for two years before moving.
6. She *had been waiting* (naudokite Past Perfect Progressive) for the train when it finally arrived.
7. They *had been arguing* (naudokite Past Perfect Progressive) about the plan before deciding.
8. I *had been jogging* (naudokite Past Perfect Progressive) every morning before the injury.
9. The team *had been preparing* (naudokite Past Perfect Progressive) for the tournament for months.
10. He *had been repairing* (naudokite Past Perfect Progressive) the car all afternoon.