Paraphrasing Drill for Advanced Passive Voice
It is believed that the Mona Lisa was painted by Leonardo da Vinci.
The Mona Lisa is believed to have been painted by Leonardo da Vinci.
The Great Wall of China is known for being the longest wall in the world.
It is known that the Great Wall of China is the longest wall in the world.
It is thought that the pyramids of Giza were constructed over 4,500 years ago.
The pyramids of Giza are thought to have been constructed over 4,500 years ago.