Упражнение 3: Поставьте глаголы из скобок в форму Past Perfect или Past Perfect Continuous.

1. had caught, 2. had called, 3. had been studying, 4. had just woken up, 5. had been waiting, 6. had not been, 7. had closed, 8. had failed, 9. had been walking, 10. had been looking for.