Измените предложения. Используйте глаголы в скобках в пассивном залоге в следующих предложениях: 1) Some philosophers

1) In ancient times dreams were believed to be important messages from the gods or visions of things to come by some philosophers. 2) Dreams are caused by disturbing wishes. 3) Unacceptable thoughts are often disguised as symbolic elements in dreams. 4) In Christian theology, blood or salvation is represented by wine. 5) Strong religious feelings are experienced by people who neglect their spiritual needs. 6) He believed that spiritual and moral concerns are expressed by dreams.