relative clauses
We talked about the party. Sarah wants to organize it for my birthday.
We talked about the party that/which Sarah wants to organize for my birthday.
Ingrid went to see the doctor yesterday. He is a friend of hers.
Yesterday Ingrid went to see the doctor, who is a friend of hers.
Mrs Flowers has paintings in her house. They are worth over $10,000.
Mrs Flowers has paintings in her house that are worth over $10,000.
Mrs Flowers has paintings which are worth over 10,000 in her house.
Mr Reynolds had to do all the work himself. His secretary left a few days ago.
Mr Reynolds, whose secretary left a few days ago, had to do all the work himself.
The couple lives next to us. Their daughter has two charming dogs.
The couple, whose daughter has two charming dogs, lives next to us.
The boy took the photograph. He gave it to his mother.
The boy took the photograph that/which he gave to his mother.
This is the house. I had my first party here.
This is the house where I had my first party.
That is the man. I met him at Alice’s party.
That is the man who/whom I met at Alice’s party.
Jerry received a bad mark on his essay. It was only one page long.
Jerry received a bad mark on his essay, which was only one page long.
The boy smiled. Mary gave him some money.
The boy who/whom Mary gave some money, smiled.