受け身は能動態に、能動態は受け身にかえなさい。
Ken bought the bike. The bike was bought by Ken.
Did Mike take that picture? Was that picture taken by Mike?
Many students study English. English is studied by many students.
Do foreign people visit Kyoto? Is Kyoto visited by foreign people?
Young people don't read the book. The book isn't read by young people./The book is not read by young people.
Was that house built by Mr. Brown? Did Mr. Brown build that house?
The fish wasn't caught by Tom. Tom didn't catch the fish./Tom did not catch the fish.
Is English spoken by many people? Do many people speak English?
Many people watched the soccer game. The soccer game was watched by many people.
Emi doesn't clean this room. This room isn't cleaned by Emi./This room is not cleaned by Emi.