Поставьте следующие предложения в отрицательную и вопросительную форму .
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 Omsk five years ago.5) They returned home in the evening. 6) They discussed a lot of articles from these French magazines last weekend. помогите прошу

1) He opened the window before classes.
He didn't open the window before classes.
did he open the window before classes?

2) Ann translated a lot of foreign letters at the office last week.
Ann didn't translate a lot of foreign letters at the office last week.
did Ann translat a lot of foreign letters at the office last week?



3) I finished work at five o'clock the day before yesterday.
I didn't finish work at five o'clock the day before yesterday.
did I finish work at five o'clock the day before yesterday?

4)He lived in Omsk five years ago.
He didn't live in Omsk five years ago.
did he live in Omsk five years ago?

5) They returned home in the evening.
They didn't return home in the evening.
did they return home in the evening?

6) They discussed a lot of articles from these French magazines last weekend.
They didn't discuss a lot of articles from these French magazines last weekend.
did they discuss a lot of articles from these French magazines last weekend?