1. Поставьте следующие предложения в вопросительную и отрицательную формы 1) He opened the window before the classes .2) Ann translated a lot of foreiqn letters at the office last week .3) I finished work at 5 o clock the day b...

1) Did he open the window before the classes? He didn't open the window before the classes . 2) Did Ann translate a lot of foreiqn letters at the office last week? Ann didn't translate a lot of foreiqn letters at the office last week . 3) Did I finish work at 5 o clock the day before yesterday . I didn't finish work at 5 o clock the day before yesterday . 4) Did they return home in the eveninq . They didn't return home in the eveninq . Кажется, как-то так)))