Several students were late , as playing football in the yard .
2. 4 to 5 am yesterday was rain .
3. He was reading a book when I came .
4. I read this book in the past year .
5. I called him yesterday, but he was not home .
6. He was watching TV when the phone rang .
7. When she played with the children , her brother . I am watering the flowers .
8. She wrote , when someone knocked on the door .
9. I'm waiting for my friend , when the bell rang .
10. We repeated grammar when Dean came .
11. We were having dinner when the phone rang .
12. My brother translated the report of the day.