2)if Peter hadn't studied ,he would have failed his exam.
3)if you hadn't left the window opened ,the carpet wouldn't have got wet.
4)if Pocahontas hadn't lived with the English,she wouldn't have met her husband.
5)if she hadn't died in England,she wouldn't have been buried there.
6)if you hadn't broke a mirror ,you wouldn't have lost the game.
7)if the tourists had had a map,they wouldn't have lost their way.