2
1) Paula and Jim were not looking out pf the window
2)Tim was not reading a book
3)Kate and Bill were not writing on the board
4)Sam was not playing football
5)Ed and Lisa were not listening to music
3
1) Were Kate and Bill looking out of the window?
2)Were Kate and Lisa reading a book?
3)Were Paula and Jim writing on the board?
4)Was Anna playing football?
6)Was Sam listening to music?