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 a snake. 4.That house was built by Thomas and his brother.