Grammar: passive voice (1) 4a Complete. Use the correct form of be. constructed 1 Stonehenge was thousands of years ago. 2 The stones from far away. 3 The stones are old, and they by the weather. 4 These days, Stonehenge admired all over the world. 5 Perhaps the mystery transported solved in the future. 4b Complete. Use the passive voice. 1 The wheel (not/ invent) was not invented then. 2 Since 1978, tourists (keep) damaged away from the stones. 3 I hope the answer to the mystery (find) 7 It (often / show) a few metres 8 It (make) 4 Stonehenge (discuss) ever since it was built. 5 The Statue of Liberty (design) in the nineteenth century. 6 The Statue of Liberty (give) in the future. in films about America. by a Frenchman to the Americans. of metal.​