2. If I had loved Magritte's paintings, I would have bought the posters with his art.
3. If my friends had had a lot of money, they would have hitchhiked from Florence to Barcelona.
4. If I had known about the Van Gogh museum in Amsterdam, I would have gone there.
5. If Europeans hadn't conquered America, ancient Indian monuments would have survived.
6. If van Gogh hadn't been mentally ill, he wouldn't have killed himself.