1.Toyoto cats aren't made in Germany.
2.John Lennon wasn't singing on stage when he was killed.
3.We haven't been in class for eight hours.
4.Gagarin didn't fly to space in 1969.
5.We haven't been sitting at home. (проверь, так написано?)
6.We haven't been studying English for twelve years.
7.The sun doesn't rise in the west.
8.Rice isn't grown in Britain.