Odpowiedź:
1 If Napoleon hadn't invaded Russia in 1812, his French army wouldn't have suffered a terrible defeat.
2 If he hadn't become a scientist, Einstein would have become a watchmaker.
3 I would have got the job if I hadn't been late for my interview.
4 I would have stayed in Krakow if my wife hadn't got a job in Warsaw.
5 I'm sure I would have known if you had told me about it.