Make the sentences negative and interrogative. use simple past. 1. he opened the windows 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 the french magazines last week-end.

1.he didn't open the windows before classes.   did he open the windows before classes? 2.ann didn't translate a lot of foreign letters at the office last week. did ann translate a lot of foreign letters at the office last week? 3. 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 didn't live in kiev five years ago. did he live in kiev five years ago? 5. they didn't return home in the evening. did they return home in the evening? 6. they didn't discuss a lot of articles from the french magazines last week-end.   did they discuss a lot of from the french magazines last week-end

a - have been

b - have not had. saw 

a - was

b - left. came. have found/