Use an adjective clause to identify or give information about a noun or an indefinite pronoun such as someone, something, etc. Begin anadjective clause with the relative pronouns who or that for adjective clauses that describe people. Use that for adjective clauses that describe things.
A mariachi singer is someone who (or that)sings traditional Mexican music.
Carnaval is a great holiday for people who (or that) like parades.
Anyone who (or that) doesn’t wear a costume can’t go to the festival.
Halloween is acelebration that takes place in October.
The parade that takes place on Bastille Day is very exciting.
BE CAREFUL! Don’t use subject pronoun after the relative pronoun.
Don’t say: Halloween is acelebration that takes place in October.
GRAMMAR. Adjective clauses with object relative pronouns
In some adjective clauses, the relative pronoun is the subject of the clause.
The person whocomes for dinner should bring a gift.
[Who=subject because he or she is the performer of the action]
In other adjective clauses, the relative pronoun is the object of the clause.
The person who[or whom] you invite should bring a gift.
[Who (or whom) =object because her or she is the receiver of the action]
When the relative pronoun is the object of the clause, it may be omitted.The book that you bought gives great information about holidays. OR
The book you bought gives treat information about holidays.
When the relative pronoun is the subject of the clause, it may NOTbe omitted.
The author who wrote that book did a great job.
NOT the author wrote that book did a great job.
1. - The hotel clerk was very helpful. / He recommended the restaurant.
2.My cousin called today. / He lives in Nee Zealand.
3. We have a meeting every morning. / It begins at 9:30.
4. The celebration is spectacular. / It takes place in spring.