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Ответ:

Sally was reading a book when the doorbell rang. – Сэлли читала книгу, когда в зазвонил звонок.

The children were playing football all day long in the yard. – Дети весь день играли в футбол во дворе.

Between 2 and 3 p.m. o’clock Emily was cooking a dinner. – Между 2 и 3 часами дня Эмили готовила обед.

I was watching TV while he was doing his homework. – Я смотрела телевизор пока он делал домашнее задание.

They were walking along the seaside from 8 to 10 yesterday. – Они гуляли по набережной с 8 до 10 часов вчера.

Подробнее: https://obrazovaka.ru/english/past-continuous-primery-predlogeniy.html

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