1)Was my sister having supper in the kitchen at 7 p.m.?
Was my sister having supper in the kitchen at 7 or 8 p.m.?
My sister was having supper in the kitchen at 7 p.m., wasn't she?
Who was having supper in the kitchen at 7 p.m.?
What was my sister having in the kitchen at 7 p.m.?
What time was my sister having supper in the kitchen?
Whose sister was having supper in the kitchen at 7 p.m.
2
1 Yes, I was
2 When the teacher came into the classroom I was reading.
3 My mom was going to work at 7 a.m. yesterday.
4 No, it wasn't
5 My friends were doing their homework the whde evening yesterday.