1. Many readers have used this card catalogue. It is very helpful in finding the titles of the books. 

Many readers have used this card catalogue, which is very helpful in finding the titles of the books. 

2. The picture, which Tom is looking at is very beautiful.

3. Do you know the dentist who pulled Mary’s tooth yesterday. 

4. The girl who is reading a magazine is my classmate.

5. The acrobat whom we saw on TV last night is his uncle.

6. The man whom I saw was Mr. John.

7. I am looking for the boy whose shirt is blue. 

8. The man whose son is a friend of mine is very friendly.

9. The books which are on the desk are on science.

10. The movie which e want to see was interesting.

11. That is the boy who broke your windows yesterday. 

12. The doctor whom I visited yesterday is famous.

13. He is the young boy whose father is a famous writer. 

14. He has just bought a table whose surface is made of precious wood. 

15.  Nobody thinks of the poor workers whose life is very hard. 

The bicycle is mine. The bicycle is in my house.

……The bicycle which is in my house is mine.…………….

I am using a sentence. It contains an adjective clause.

………………I am using a sentence which contains an adjective clause.……………………………………………………………………………….

The building belongs to my father. It was built on the side if a hill.

…The building which was built on the side if a hill belongs to my father..…………………………………………………………………………………………….

The mechanic is my uncle. He is repairing my bike.

…………The mechanic who is repairing my bike is my uncle..…………………………………………………………………………………….

The scientist is well-known for his research. He met you yesterday.

………………The scientist who met you yesterday is well-known for his research..……………………………………………………………………………….

The students explained their absence to the teacher. They didn’t come to the class yesterday.

…………The students explained to the teacher why they didn’t come to the class yesterday.…………………………………………………………………………………….

Miss Loan thanks the students. The students had given her some beautiful flowers.

………………Miss Loan thanks the students who had given her some beautiful flowers.……………………………………………………………………………….

The river is not safe for swimming. The river is polluted.

…………The river which is polluted is not safe for swimming. .…………………………………………………………………………………….

Tom got into the car. The car was park behind the house.

……………………Tom got into the car which was park behind the house.………………………………………………………………………….

I live in a small village. The village is situated on the bank of a river.

……………I live in a small village which is situated on the bank of a river.………………………………………………………………………………….

I was born in Danang. Danang is famous for its beautiful beach.

………I was born in Danang which is famous for its beautiful beach.……………………………………………………………………………………….

The fences are made of wood. They surround our house.

……The fences which surround our house are made of wood..………………………………………………………………………………………….

The girl is Miss Van. She is carrying the red umbrella.

…………The girl who is carrying the red umbrella is Miss Van..…………………………………………………………………………………….

The doctor was very gentle. He examined the sick child.

……………The doctor who examined the sick child was very gentle..………………………………………………………………………………….

1. The bomb which went off this morning caused a lot of damage .

2. The girl whom You met her at the party is a famous singer .

3. Jane has received a greetings card which Her pen pal sent her a greetings card this morning.
4. Lan whom She has a special talent in art is my close friend .

The dress which she wear is new

The dress which she is wearing is new

-> The dress which she is wearing is new

Combine each pair of sentences, using suitable relative pronouns or relative adverbs:

1.      Her book is widely read. It is well- written.

Her book, which is well-written, is widely read.…

2.      He is a famous writer in our time. I read many his books.

…… He, many of whose books I read, is a famous writer in our time.

3.      Cuc Phuong is a famous nation park. I came there a long time ago.

…… Cuc Phuong, where I came a long time ago, is a famous national park.

4.      He is a manager in this factory. You have talked to his mother in the company.

…… He, whose mother you have talked to in the company, is a manager in this factory.

5.      Alice is my friends. Alice’s mother died in an accident last year.

…… Alice, whose mother died in an accident last year, is my friend.

6.      These flowers are roses. I bought them for my sister on her birthday.

…… These flowers which I bought for my sister on her birthday are roses.

7.      The female mosquito can suck blood and transmit malaria. It can survive in new and different environments.

……The female mosquito which can survive in new and different environments can suck blood and transmit malaria .

8.      I remember the day. I was afraid to use my new computer then.

…… I remember the day when I was afraid to use my new computer

9.      I work in an office. In my office the software changes frequently.

……  I work in an office where the software changes frequently

10.  The secretary gives you information. She sits at the first desk on the right. The secretary who sits at the first desk on the right gives you information.

……

11.  The Southern Chess Club meets weekly on Friday evenings. It has more than 50 members.

…… The Southam Chess Club which has more than 50 members meets weekly on Friday evenings.

Combine each pair of sentences, using suitable relative pronouns or relative adverbs:

1.      Her book is widely read. It is well- written.

…Her book, is widely read, is well- written.

2.      He is a famous writer in our time. I read many his books.

……He is a famous writer in our time, whose books I read many 

3.      Cuc Phuong is a famous nation park. I came there a long time ago.

……Cuc Phuong, where I came a long time ago, is a famous nation park. 

4.      He is a manager in this factory. You have talked to his mother in the company.

……He, whose mother you have talked to in the company, is a manager in this factory. 

5.      Alice is my friends. Alice’s mother died in an accident last year.

…… Alice, whose mother died in an accident last year is my friends.

6.      These flowers are roses. I bought them for my sister on her birthday.

……These flowers, which I bought for my sister on her birthday are roses.

7.      The female mosquito can suck blood and transmit malaria. It can survive in new and different environments.

……The female mosquito which can survive in new and different environments can suck blood and transmit malaria.

8.      I remember the day. I was afraid to use my new computer then.

…… I remember the day when I was afraid to use my new computer

9.      I work in an office. In my office the software changes frequently.

…… I work in an office where the software changes frequently.

10.  The secretary gives you information. She sits at the first desk on the right.

……The secretary who sits at the first desk on the right gives you information.

11.  The Southern Chess Club meets weekly on Friday evenings. It has more than 50 members.

……The Southern Chess Club, which has more than 50 members, meets weekly on Friday evenings. 

1.Mark liked people who aren’t too serious.

2.The school boy who fell asleep in his class is my friend.

3.Ho Chi Minh city is the city which is more crowded than Hanoi.

4.The photographs which were published in that newspaper were extraordinary.

5.That is an umbrella which I bought yesterday.

6.Is this the man whom you are waiting for ?

7.The film which have just finished will be shown on TV next Sunday.

8.Who is the woman whom we met here last year?

9.The office where I work is on the 22^nd floor. 

10.The children whom I saw at the park were playing football.

11.The meeting which I went to was interesting.

12.The man whom I talked to yesterday was very kind.

13.The book which I read yesterday was good

14.The people whom we visited two days ago were very nice.

15.They are repairing the house which they bought it in July.