Заменяя форму действительного залога глаголов на страдательную. 1 That man stole my wallet. 2 Everyone knew them. 3 A snake bit him 4 Thomas and his brother built that house.
1.My wallet was stolen by that man. 2. They were known by everyone. 3. He was bitten by the snake 4. That house was built by Thomas and his brother