3. Match the halves. Левая часть: 1. When we got to the theatre, 2. She was late, 3. While he was fixing the car, 4. By the time I finished the test, 5. They didn’t recognize me. Правая часть: A. because she had forgotten her keys. B. the concert had already started. C. I had been studying for three hours. D. his friend brought him a new tool. E. because I had changed my hairstyle.

Перевод задания: Соедините половинки предложений.

1. When we got to the theatre, the concert had already started. (Когда мы пришли в театр, концерт уже начался.)
2. She was late because she had forgotten her keys. (Она опоздала, потому что забыла ключи.)
3. While he was fixing the car, his friend brought him a new tool. (Пока он чинил машину, его друг принёс ему новый инструмент.)
4. By the time I finished the test, I had been studying for three hours. (К тому времени, как я закончил тест, я занимался уже три часа.)
5. They didn’t recognize me because I had changed my hairstyle. (Они меня не узнали, потому что я изменил причёску.)

Пары: 1—B, 2—A, 3—D, 4—C, 5—E. Past Perfect обозначает действие, завершившееся до другого момента или действия в прошлом; Past Perfect Continuous подчёркивает его длительность.