2. Join the two sentences with a time expression. Put one of the verbs in the past perfect. 1) They left. She arrived at their house. By the time ___. 2) He finished using the computer. He switched it off. When ___. 3) They went into the cinema. They bought their tickets. After ___. 4) She did her homework. She went to bed immediately after. As soon as ___. 5) We ate our meal. We paid the bill. When ___. 6) They went into the house. They unlocked the door. They ___.

Перевод задания: Объедините два предложения с помощью выражения времени. Один из глаголов поставьте в Past Perfect.

1. By the time she arrived at their house, they had left. (К тому времени, когда она приехала к ним домой, они уже ушли.)
2. When he had finished using the computer, he switched it off. (Когда он закончил пользоваться компьютером, он выключил его.)
3. After they had bought their tickets, they went into the cinema. (После того как они купили билеты, они вошли в кинотеатр.)
4. As soon as she had done her homework, she went to bed. (Как только она сделала домашнее задание, она легла спать.)
5. When we had eaten our meal, we paid the bill. (Когда мы поели, мы оплатили счёт.)
6. They had unlocked the door before they went into the house. (Они отперли дверь, прежде чем вошли в дом.)

Past Perfect обозначает действие, завершившееся раньше другого действия в прошлом.