N (người) +who + V 

N (người) +whom + S + V

N + whose + N 

N (thời gian) + when + S+ V 

N (người / vật) + that + V / S+ V 

N (người) + which + V / S +V 

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1. The boy who knows the truth has just moved.

2. I don't remember the man whom you said you met at the canteen last week.

3. Carol, who is only 9 years old, plays the piano brilliantly.

4. The beautiful girl whose hair I like very much lives in the city.

5. He whom I met at the bar yesterday was Tom.

6. The children often go swimming on Sundays when they have much free time.

7. The police are looking for the man and his dog that have lost the way in the forest.

8. The tree which stands near the gate of my house has lovely flowers.

9. My wife to whom you were speaking wants to come to dinner.

10. The boy whom I know from school is very nice.

11. This is Mr. Smith, whose son Bill plays in our team.

12. The book which I was reading yesterday was a lovely story.

13. The botanist will never forget that day when he found a strange plant.

14. The shoes which my mother bought for me are too big.

15. This is my house where my grandparents live.

16. The girl who is in hospital now was injured in the accident.

17. Can you pick up the papers which are lying on the floor?

18. Conan Doyle, who wrote the Sherlock Holmes stories, was born in Edinburgh.

19. Yesterday I met a man who works with your brother.

20. I know the shop which sells really good meat.

`color{orange}{~MiaMB~}`