Поставьте следующие предложения в вопросительную и отрицательную формы 1) he opened the window before classes. 2) ann translated a lot of foreign letters at the office last week .3) i finished work at five o'clock the day before yesterday .4)he lived in kiev five years ago. 5) they returned home in the evening. 6)they discussed a lot of articles from these french magazines last week-end.

1. Did he open the window before classes?
He didn't open the window before classes.
2. Did Ann translate a lot of foreign letters at the office last week?
Ann didn't translate a lot of foreign letters at the office last week.
3.Did I finish work at five o'clock the day before yesterday?
I didn't finish work at five o'clock the day before yesterday.
4. Did he live in Kiev five years ago?
He didn't live in Kiev five years ago.
5. Did they return home in the evening?
They didn't return home in the evening.
6. Did they discuss a lot of articles from these French magazines last week-end?
They didn't discuss a lot of articles from these French magazines last week-end.