N (vật) +which + V / S + V 

N (người) + who + V 

N + whose  +N 

thời gian + when + V / S +V 

N (người) + whom + S+ V

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1. The Great Barrier Reef, which is the world's biggest single structure made by living organisms, can be seen from outer space.

2. Landon, who robbed a bank in New York two weeks ago, was arrested last Sunday.

3. That lady, whose son studied in my class, is a very successful businesswoman.

4. This is my new house which my father has just bought.

5. The medicine which the doctor prescribed yesterday was very expensive.

6. I haven't seen them since the year when they got married.

7. I don't know the name of the woman to whom I talked on the phone.

8. The man whom the manager wanted to see was always on holiday.

9. The house where I was born and grew up was destroyed in an earthquake ten years ago.

10. Max, who is very interested in flying, attends a training course to become a pilot.

11. His house which has a front yard and many rooms inside is very big.

12. I like the present which you gave to me on my birthday.

13. These people who volunteer to do charity work are very enthusiastic.

14. This is Mrs. Jenny, who taught us English last year.

15. Gina found a cat whose leg was broken.

`color{orange}{~LeAiFuRuiHuiBao~}`