6.The man turned out to be my friend’s father. He sat next to me on the bus.

->The man who sat next to me on the bus turned out to be my friend’s father.

7.The woman was wearing a green hat. I was sitting behind her.

-> The woman whom I was sitting behind was wearing a green hat.

8.He works in a factory. It makes bicycles.

-> He works in the factory which makes bicycles.

9.Is that the girl? Her horse won the Derby last week.

-> Is that the girl whose horse won the Derby last week ?

10.The book was too expensive. It was written by Mark Twain.

-> The book which was written by Mark Twain was too expensive.

11.He married a girl called Jill. He met her there.

6.The man turned out to be my friend’s father. He sat next to me on the bus.

->The man who sat next to me on the bus turned out to be my friend’s father.

7.The woman was wearing a green hat. I was sitting behind her.

-> The woman whom I was sitting behind was wearing a green hat.

8.He works in a factory. It makes bicycles.

-> He works in the factory which makes bicycles.

9.Is that the girl? Her horse won the Derby last week.

-> Is that the girl whose horse won the Derby last week ?

10.The book was too expensive. It was written by Mark Twain.

-> The book which was written by Mark Twain was too expensive.

11.He married a girl called Jill. He met her there