1) When I was going to the shop yesterday, I met Kate.
2) Did he call her yesterday? Yes, he called her at 7 o'clock.
3) We watched film from 8 o'clock to 10 o' clock.
4) He was going to the university, when I saw him on the street.
5) When dad arrived at home, mum was cooking dinner.
6) Where did you were on Saturday? We were in the restaurant . We had dinner.