1. Sally was eating dinner last night when someone knocked on the door.
2. At 6:00 p.m., Bob sat down at the table and began to eat. At 6:05 Bob was eating dinner. While Bob was eating dinner, Ann came through the door. Bob went to bed at 10:30. At 11:00 Bob was sleeping. While Bob was sleeping, the phone rang.
3. My roommate's parents called him last night while we were watching TV. 4. I called Paul at 7:00 but it wasn't necessary because he already got up.
5. I began to study at seven last night. Fred came at seven-thirty. I was study when Fred came.
6. My mother called me around five. My husband came home a little after that. When he came home, I was talking to my mother on the phone.
7. While I was studying last night, Fred dropped by to visit me. 8. As I was crossing the road I stepped on a banana skin and fell heavily.
Do they study English?
2. They did not leave for Moscow yesterday.
Did they leave for Moscow yesterday?
3. We shall not go to Minsk in summer.
Shall we go to Minsk in summer?