1. Non-defining Relative Clauses
 Additional information
 Use comma

that
clause
whom, which , whose
who,
My uncle John, who owns a
department store, is very rich.

2. Non-defining Relative Clauses
Persons
Things
(Animals)
… , who ….
…, which …..
(2) Object of
…, whom….
the verb
(3) Object of
…. prep. +
the Preposition whom …
(4) Possessive
….whose…
…. which ….
(1) Subject
…. prep + which
……
…, of which
(or whose)

3. Non-defining Relative Clauses
Charles Dickens was a very famous writer.
He wrote „Oliver Twist‟.
Charles Dickens, who wrote „Oliver Twist‟,
was a very famous writer.

4. Non-defining Relative Clauses
Mr. John Brown received a reward. He got
high marks in the final examination.
Mr. John Brown, who got high marks in the
final examination, received a reward.

5. Non-defining Relative Clauses
In Bangkok we can see a lot of temples.
Bangkok is the capital of Thailand.
In Bangkok , which is the capital of
Thailand, we can see a lot of temples.

6. Non-defining Relative Clauses
Chiangmai is a fascinating city. It‟s in the
northern part of Thailand.
Chiangmai, which is in the northern part of
Thailand, is a fascinating city.

7. Non-defining Relative Clauses
Join the following sentences
1.) Tomayantee wrote many romantic
novels. She is very sentimental.
2.) Korn passed his exam. He always works
hard.

8. Non-defining Relative Clauses
Join the following sentences
3.) The Wright brothers were the first men to
fly. They lived in America.
4.) Whisky is the national drink of Scotland.
It is very expensive.

9. Non-defining Relative Clauses
David and Martin have arrived.
mentioned them to you.
I
David and Martin, whom I mentioned to you,
have arrived.

10. Non-defining Relative Clauses
Grass is always green in Thailand. Cows
and horses love it.
Grass, which cows and horses love, is
always green in Thailand.

11. Non-defining Relative Clauses
1.) “Treasure Island” is an exciting novel.
Students in M.5 study it.
2.) The English Grammar is very useful. I
dislike it very much.
3.) Air is made up of many gases. We
breathe it.