1She was redaing a magazine when i saw her
2. Were they going to the mountains last winter??
3 I wasn't using your car last week
4 who was eatting your supper last night?
5when you bagun to practis the piano?
6 yesterday at 8pm i was still working
7 he came to see you yestrday but you were out
8 what time they came back last night??