1. Мы играли в шахматы, когда зазвонил телефон. — We were playing chess when the phone rang.
2. Вчера в 9 вечера мы смотрели телевизор. — Yesterday at 9 pm we were watching TV.
3. Я проснулся, позавтракал и пошел в школу. — I woke up, had breakfast, and went to school.
4. Пока Мэри писала статью, Макс читал книгу по истории. — While Mary was writing an article, Max was reading a history book.
5. Я был в школе вчера. — I was at school yesterday.