Exercise on Relative Clauses (Contact clauses)

Relative pronouns – necessary or not?

Decide whether the relative pronouns must be used or not.

1. The book which is on the table belongs to Brandon.
   relative pronoun is necessary
   relative pronoun is not necessary
2. The museum which we visited last month is closed now.
   relative pronoun is necessary
   relative pronoun is not necessary
3. The man who you saw in the house is my cousin.
   relative pronoun is necessary
   relative pronoun is not necessary
4. Bob, who I know very well, is going out with Mary.
   relative pronoun is necessary
   relative pronoun is not necessary
5. I cannot forget the song which they played last night.
   relative pronoun is necessary
   relative pronoun is not necessary
6. The woman who is talking to Sue is my aunt.
   relative pronoun is necessary
   relative pronoun is not necessary
7. I cannot remember the hotel that we stayed at.
   relative pronoun is necessary
   relative pronoun is not necessary
8. Lucy, who I haven't seen for ages, rang me last night.
   relative pronoun is necessary
   relative pronoun is not necessary
9. A person that you don't trust won't trust you either.
   relative pronoun is necessary
   relative pronoun is not necessary
10. My father, whom I helped to install his computer, always forgets his password.
    relative pronoun is necessary
    relative pronoun is not necessary