1.Al Gore, who won the Nobel Prize, gave a long and boring speech.

2. Starbucks, which does business all over the world, wants to open new stores in China.

3. Social network sites, which are very popular, will definitely change business.

4. Scientists are working with stem cells, which will revolutionize medicine.

5. Last week, Jim Taylor interviewed Sally Thomson, who is my neighbour.

6. Mr Brown, who enjoys going to the theatre, has been invited to join our club.

7. Whiting House, which was built in 1856, is an important local monument.

8. Bono, who is a famous musician, signed autographs at Tower Records yesterday.

9. John F. Kennedy, who was president of the USA, was assassinated in 1963.

10. The Queen will open a new hospital, which is in Jarvis Street.

1. The house has been built in the forest. It doesn’t have electricity.

___The house which has been built in the forest doesn’t have electricity____________

2. Do you know the man? He is coming towards us.

_____________Do you know the man who is coming towards us?______________

3. I sent my parents some postcards. They were not so expensive.

____________I sent my parents some postcards which were not so expensive_________________________________________________

4. I come from a city. The city is located by the sea.

_________I come from a city which is located by the sea____________

5. The soup was so delicious. I had it for lunch.

___The soup that I had for lunch was so delicious___

6. The man is her father. You met him last week.

➔ ___________The man whom you met last week is her father____________________________.

7. Carta has a sister. Her sister’s name is Juma.

➔ ____________Carta has a sister whose nam is Juma___________________________.

8. Show me the new hats. You bought them last night.

➔ __________Show me the new hats which you bought last night_____________________________.

9. Huyen likes the blue T-shirt. My sister is wearing it.

➔ _____________Huyen likes the blue T-shirt which my sister is wearing__________________________.

10. That is a company. It produces ring.

➔ _______That is a company which produces ring________________________________.

11. The children were attracted by the show. It was performed so many.

➔ _____________The children were attracted by the show which was performed so many__________________________.

12. Linda bought a new phone yesterday. I can use it to send and receive message.

➔ __________Linda bought a new phone yesterday which I can use to send and receive message_____________________________.

13. Tet is a festival. Tet often happens in late January or early February.

➔ ________Tet is a festival which often happens in late January or early February_______________________________.

14. My best friend can compose songs. Ly sings folk songs very well.

➔ _______My best friend can compose songs which Ly sings very well________________________________.

15. Cuong is the boy. He is giving my mom a gift.

➔ ______________Cuong is the boy who is giving my mom a gift_________________________.

1. The house has been built in the forest. It doesn’t have electricity.

➜ The house which has been built in the forest doesn't have electricity.

2. Do you know the man? He is coming towards us.

➜ Do you know the man who is coming towards us?

3. I sent my parents some postcards. They were not so expensive.

➜ I sent my parents some postcards which were not so expensive.

4. I come from a city. The city is located by the sea.

➜ I come from a city which is located by the sea.

5. The soup was so delicious. I had it for lunch.

➜ The soup which i had for lunch was so delicious.

6. The man is her father. You met him last week.

➔ The man who you met last week is her father.

7. Carta has a sister. Her sister’s name is Juma.

➔ Carta has a sister whose name is Juma.

8. Show me the new hats. You bought them last night.

➔ Show me the new hats which you brought them last night.

9. Huyen likes the blue T-shirt. My sister is wearing it.

➔ Huyen likes the blue T-shirt which my sister is wearing.

10. That is a company. It produces ring.

➔ That is a company which produces ring.

11. The children were attracted by the show. It was performed so many.

➔ The children were attracted by the show which was performed so many.

12. Linda bought a new phone yesterday. I can use it to send and receive message.

➔ Linda bought a new phone which can be used to send and receive message yesterday.

13. Tet is a festival. Tet often happens in late January or early February.

➔ Tet is a festival which often happens in late January or early February.

14. My best friend can compose songs. Ly sings folk songs very well.

➔ _______________________________________.

15. Cuong is the boy. He is giving my mom a gift.

➔ Cuong is the boy who is giving my mom a gift.

1. The house which has been built in the forest doesn’t have electricity.

2. Do you know the man who is coming towards us?

3. I sent my parents some postcards which were not so expensive.

4. I come from a city which is located by the sea.

5. The soup that/ which I had for lunch was so delicious.

6The man whom you met last week is her father.

7. Carta has a sister whose nam is Juma.

8 Show me the new hats which you bought last night.

9. Huyen likes the blue T-shirt which my sister is wearing.

10. That is a company which produces ring.

11. The children were attracted by the show which was performed so many.

12. Linda bought a new phone yesterday which I can use to send and receive message.

13. Tet is a festival which often happens in late January or early February.

14. My best friend can compose songs which Ly sings very well.

15 Cuong is the boy who is giving my mom a gift.

The hotel is near a beautiful lake so it is very expensive

Mr.James used to live in the countryside when he was a child

The hotel which near a beautiful lake is very expensive.

Mr James used to live in the countryside when he was a child. 

1. George Beauchamp, who was an American inventor, invented the electric guitar in 1932.

(George Beauchamp, một nhà phát minh người Mỹ, đã phát minh ra đàn guitar điện vào năm 1932.)

2. Philo T. Farnsworth, who was the first television's inventor, invented it in 1927.

(Philo T. Farnsworth, người phát minh ra tivi đầu tiên, đã phát minh ra nó vào năm 1927.)

3. Tom Kilburn, who developed the first software in 1948, worked for the University of Manchester.

(Tom Kilburn, người phát triển phần mềm đầu tiên vào năm 1948, làm việc cho Đại học Manchester.)

4. Edward Jenner, who created the first vaccine in 1796, was a country doctor in England.

(Edward Jenner, người đã tạo ra vắc-xin đầu tiên vào năm 1796, là một bác sĩ nông thôn ở Anh.)

1. The parcel which my mother sent reached me this morning.

2. This is the house which Jack built.

3. The boy whom the teacher punished didn’t do his homework. The teacher punished him.

4. He, who tells lies, deserves to be punished.

5. I know a man who wears a prosthetic leg.

6. Bring me the file which is on the table.

7. We met a girl who had lost her way.

8. I saw a soldier who had lost an arm.

9. Once upon a time there lived a giant who was very powerful and cruel.

10. The dog bit the burglar who was trying to break into the house.

Mệnh đề quan hệ là mệnh đề đứng sau danh từ để để bổ nghĩa cho danh từ.

Có 2 loại mệnh đề quan hệ quan hệ là:

-Mệnh đề quan hệ xác định 

-Mệnh đề quan hệ không xác định

Phần còn lại bạn tham khảo ở đây giúp mình

https://tienganhmoingay.com/ngu-phap-tieng-anh/menh-de-quan-he/