Model paragraph
Psychologists who are interested in work tell us that vacation are an essential part of life. Workers return to their job feeling more relaxed and energetic. It is interesting that different people take such different kinds of vacations. There are some people who like very quite, relaxing vacation while others prefer more activity and spend their outdoors attract many vacationers. But large cities which have interesting shops, restaurants, museums, and nightclub are the choice any individuals. Then there are always people who would rather not take vacations at all. They take work with them when they go on vacation and can not wait to get back to the office.
An adjective clause modifies a noun or other substantive, it can be connected to the substantive in two way:
1. By a relative pronoun ( who, whose, whom, which, that)
2. By a relative pronouns ( such as where, when, and why) the relative pronouns who, whom, whose, that, and why are used when the noun is a person, that and which are used for animals or things. Use where for a place, when for time, why for a reason.
Examples:
Using who, whom, that, in adjective clauses
- (The man is friendly. He lives next to me.)
- The man who/that lives next to me is friendly.
- (the man was friendly. I met him yesterday.)
- The man who met was friendly.
Using whose in adjective clauses
- (The man called the police. His car was stolen.)
- The man whose car was stolen called the police.
- I know a girl. Her brother is a movie star.
- I know a girl whose brother is a movie star
- The people are moving to Hawaii. We bought their house.
- The people whose house we bought are moving to Hawaii.
Using which and that in adjective clause
- The river is polluted. If flows through town.
- The river which flows through town is polluted.
- The books were expansive. I bought the books.
- The books that I bought were expansive.
Examples of adjective with relative adverb
- This is the place where we will build our new house.
- The reason why he studied in BSI is interesting.
- I’ll never forget the time when I gave my first lecture.
A relative clause is a dependent clause, it describes a noun or pronoun occurring in the independent clause.

Independent Clause Dependent Clause
I prefer vacation which are very relaxing
We have a classmate who took a trip to Tahiti
My sister likes the sweater which I gave her
Did you like the women whom we met last night
I talked to everyone whom you invited to the wedding.