1) When father came home from work yesterday my brother and I were playing chess.
2)Yesterday my mother bought some sports magazines.
3)Alice was doing her lessons at 4 oclock yesterday.
4)Nelly was making a cake while her sisters were cooking a fruit salad.
5)When my mother came in I was playing a computer game.
6) I was doing my homework from 4.00 to 5.30 yesterday.
7) My classmates played volleyball last weekend.
8)The girls were dancing while the boys were singing a song at the stage at our yesterday concert.