We ordered a book. It was very expensive.
We ordered a book which was very expensive.
The girl works in a bank. The girl is from India.
The girl who is from India works in a bank
A doctor was really kind. He examined me last Friday.
A doctor who examined me last Friday was very kind.
We broke the computer. The computer belonged to my father.
We broke the computer which/that belonged to my father.
Mr Black took over the company. His wife died last year.
Mr Black, whose wife died last year, took over the company.
I'll never forget the day. I got my first bike on that day.
I'll never forget the day (when) I got my first bike.
I met a woman. Her son is a student in my class.
I met a woman whose son is a student in my class.
She worked for a man. The man used to be an athlete.
She worked for a man who/that used to be an athlete.
My uncle lives near the forest. He loves hunting.
My uncle, who lives near the forest, loves hunting.
Nobody can find the boy. He has been lost since January.
Nobody can find the boy who has been lost since January.
The pupils missed the test. They came late
The pupils who came late missed the test.