Past Perfect
We had played before she came back. Мы играли, прежде чем она вернулась.
3 She had finished the letter before I found my phone. Она закончила письмо, прежде чем я нашел свой телефон.
4 I had told her the story by the time my parents called. Я рассказал ей историю, к тому времени как мои родители позвонили.
5 The book had been written by 1890. Книга была написана к 1890
Past peefect continious
1.She had been running for two hours before she saw a village. – Она бежала два часа, пока не увидела какое-то село.
2.John had been speaking all morning, so he lost his voice. Джон разговаривал всё утро, так что потерял голос.
3.They had been sitting here since last evening before they bought the tickets. Они сидели здесь с вечера, пока не купили билеты.
4.She hadn’t been driving a car for an hour before she came to the gas station.Она не вела машину час, до того как приехала на заправку.
5.
We had not been searching for a room for two hours before we found a free one.
Если вопросительное: Can dogs run?