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A4 : Combine sentence using : Giới Từ + Whom/Which
1. The movie was interesting . We went to it .
The movie to which we went was interesting
2. I met the people . You told me about them .
i met the people about whom you told me
3. I couldn't understand the woman . I talked to her on the phone .
I couldn't understand the woman to whom I talked on the phone
4. I want to tell you about the party . I went to it last night .
I want to tell you about the party to which I went last night
5. The music was gentle . We listened to it last night .
The music to which we listened last night was gentle .
6. Alice likes the foreign family . She is living with them .
Alice likes the foreign family with whom she is living
7 * . The market has refresh vegetables . I usually go to it .
The market to which i usually go has refresh vegetables
8. The man is over there. I told you about him.
The man about whom I told you is over there
9. The film is fantastic . They are talking about it .
The film about which they are talking is fantastic
10. She's the nurse . We gave the flowers to her .
the woman to whom we gave the flowers is the nurse
11 * . We are speaking to the man . The man was our new history teacher .
The man to whom we are speaking was our new history teacher .
12. The teacher is Mr Pike . We studied with him last year .
The teacher with whom we studied last year is Mr Pike.
13. We are very interested in the problem . It has been discussed in class .
the problem which we are very interested in has been discussed in class .
14. Lung cancer is very dangerous . Million of people died of it .
Lung cancer of which million of people died is very dangerous
15. I like standing at the window . I can see the park from the window .
I like standing at the window from which I can see the park
16. The woman lives next door to me . You gave place to her on the bus .
The woman to whom you gave place on the bus lives next door to me
17. The examination lasted 2 days . I was successful in this exams .
The examination in which i was successful lasted 2 days
18. This is the result of our work . I'm pleased with it .
This is the result of our work with which I'm pleased
19. Mr Brown is the man . I'm responsible to him for my work .
Mr Brown is the man to whom I'm responsible for my work .
20. This snake is dangerous . I'm afraid of it .
This snake of which i am afraid is dangerous
21. There are a number of factors . We have no control over them .
There are a number of factors over which we have no control
22. The picture was beautiful . She was looking at it .
The picture at which she was looking was beautiful
23. That's the woman . John used to be married to her .
That's the woman to whom John used to be married
24 * . My sister has 2 daughters . I often have to look after them .
My sister has 2 daughters whom I often have to look after
25 * . This is the book . I'm looking for it.
This is the book which I'm looking for
26. The boy fell in love with the girl . She left him after a few weeks .
the girl with whom the boy fell in love left him after a few weeks .
B1 : Fill in each gap with suitable relative pronoun : which , that , whose , whomor who :
1. Stop him . He's the man ____who___ stole my wallet .
2. There are many people ___who___ are living in very poor condition .
3. I've ever read the book ___that____ Huong gave me yesterday .
4. The man ___whom__ I saw last weekend said something totally different.
5. They have invented a television set ___that___ is small as a watch .
6. This is the building __which____ was destroyed badly in the fire last night .
7. I'm talking about Tom, ___who___ is really friendly.
8. The boy ___whose___ sister is in my class can speak Japanese and Korean languages .
9. The dictionary ____which____ is on the table belongs to Long .
10. He wore a hat ___which____ made him look like a cowboy .
11. The gentleman ___who___ gave him the picture was his old teacher .
12. Mr David , __who_____ comes from England , has never been to Vietnam .
13. Mr David , ___whose____son studies with us , has never been to Vietnam .
14. A bricklayer is a person ____who__ builds houses .
15. Peter couldn't come to the party last night , __which___ was really a pity .
16. We visited children ___whose____ parents are dead .
17. Do you have a good relationship with the person ___who___ lives next door to you .
18. The student __who____ did this exercise might be very intelligent.
19. I'll catch the train ___which___ leaves at 10 am .
20. Ly Duc ,__who_____ won 2 gold medal at the Games , comes from Vietnam .
21. He can't swim , ___which___ makes me surprised.
22. We are visiting Ha Long , __which____ is in the north of Viet Nam .
23. I'm staying with the boy ___whose___ brother looks very handsome.
24. He talked about the books and writers __that_____ made us bored .
25. This is the photo ___which____ was taken yesterday .
26. Henry , __whom___ you'll met tomorrow , is also a member of the board .
27. Can you answer the questions __which____ I ask you ?
28. The lady __whose___ son went on a picnic with us last weekend is a teacher at our school .
29. The woman __whose____ book I borrowed is very generous .
30. He is the only friend ___that__ I like .
A4 : Combine sentence using : Giới Từ + Whom/Which
1. The movie was interesting . We went to it .
The movie which we went to it was interesting .
2. I met the people . You told me about them .
=> I met the people which you told me about them.
3. I couldn't understand the woman . I talked to her on the phone .
=> I couldn't understand the woman which I talked to her on the phone .
4. I want to tell you about the party . I went to it last night .
=> I want to tell you about the party which I went to last night .
5. The music was gentle . We listened to it last night .
=> The music which we listened to was gentle last night .
6. Alice likes the foreign family . She is living with them .
=> Alice likes the foreign family which she is living with .
7 * . The market has refresh vegetables . I usually go to it .
=> The market which I usually go to has refresh vegetables .
8. The man is over there. I told you about him.
=> The man which I told you about is over there.
9. The film is fantastic . They are talking about it .
=> The film which is they are talking about fantastic .
10. She's the nurse . We her .
=> The one who we gave the flowers to is a nurse.
11 * . We are speaking to the man . The man was our new history teacher .
=> The man who we are speaking to was our new history teacher .
12. The teacher is Mr Pike . We studied with him last year .
=> The teacher which we studied with last year is Mr Pike.
13. We are very interested in the problem . It has been discussed in class .
=> We are very interested in the problem which has been discussed in class .
14. Lung cancer is very dangerous . Millions of people died of it .
=> Lung cancer is very dangerous which millions of people died.
15. I like standing at the window . I can see the park from the window .
=> I like standing at the window . I can see the park from the window .
16. The woman lives next door to me . You gave place to her on the bus .
=> The woman which you gave place to her on the bus lives next door to me .
17. The examination lasted 2 days . I was successful in this exams .
=> The examination which I was successful in lasted 2 days .
18. This is the result of our work . I'm pleased with it .
=> I'm pleased with which the result of our work .
19. Mr Brown is the man . I'm responsible to him for my work .
=> Mr Brown is the man which I'm responsible to him for my work .
20. This snake is dangerous . I'm afraid of it .
=> This snake which I'm afraid of is dangerous.
21. There are a number of factors . We have no control over them .
=> There are a number which we have no control over of factors .
22. The picture was beautiful . She was looking at it .
=> . The picture which she was looking at was beautiful .
23. That's the woman . John used to be married to her .
=> That's the woman . John used to be married to .
24 * . My sister has 2 daughters . I often have to look after them .
=> My sister has 2 daughters which I often have to look after .
25 * . This is the book . I'm looking for it.
=> This is the book which I'm looking for .
26. The boy fell in love with the girl . She left him after a few weeks .
ð The boy fell in love with the girl which left him after a few weeks .
B1 : Fill in each gap with suitable relative pronoun : which , that , whose , whom or who :
1. Stop him . He's the man ____WHO___ stole my wallet .
2. There are many people ___WHO___ are living in very poor condition .
3. I've ever read the book ____WHICH___ Huong gave me yesterday .
4. The man __WHICH___ I saw last weekend said something totally different.
5. They have invented a television set ___WHICH___ is small as a watch .
6. This is the building ___WHICH___ was destroyed badly in the fire last night .
7. I'm talking about Tom, ___WHO___ is really friendly.
8. The boy __WHOSE____ sister is in my class can speak Japanese and Korean languages .
9. The dictionary ____WHICH____ is on the table belongs to Long .
10. He wore a hat ____WHICH___ made him look like a cowboy .
11. The gentleman ___WHO___ gave him the picture was his old teacher .
12. Mr David , ____WHO___ comes from England , has never been to Vietnam .
II- Use a relative pronoun/ adverb to combine each pair of the sentences below.
1. You sent me a present. Thank you very much for it.
Thank you very much for the present which you sent me
2. Romeo and Juliet were lovers. Their parents hated each other.
Romeo and Juliet whose parents hated each other were lovers.
3. This is Mrs. Jones. Her son won the championship last year.
This is Mrs. Jones whose son won the championship last year.
4. This is the house. We often stay in this house in the summer.
This is the house where we often stay in the summer.
5. That was the time. He managed the enterprise at that time.
That was the time when he managed the enterprise
6. I was sitting in a chair. It suddenly collapsed.
I was sitting in the chair which suddenly collapsed.
7. This is the story of a man. His wife suddenly loses her memory.
This is the story of the man whose wife suddenly loses her memory.
8. Charlie Chaplin died in 1977. His films amused millions of people in the world.
Charlie Chaplin whose films amused millions of people in the world died in 1977
9. Please post these letters. I wrote them this morning.
Please post these letters which I wrote this morning.
10. The building is the church. Its tower can be seen from afar.
The building is the church whose tower can be seen from afar.
11. I’ll show you the second-hand bookshop. You can find valuable books in this shop.
I’ll show you the second-hand bookshop in which you can find valuable books
12. The police want to know the hotel. Mr. Bush stayed at this hotel two weeks ago.
The police want to know the hotel at which Mr. Bush stayed two weeks ago.
13. The reasons are basic grammatical ones. I’m scolded by the teacher fro these reasons.
The reasons why I’m scolded by the teacher are basic grammatical ones
14. I have not decided the day. I’ll go to London on that day.
I have not decided the day when I’ll go to London
15. The airport is the most modern one. We are going to arrive at this airport.
The airport at which we are going to arrive is the most modern one
16. She doesn’t want to speak to the cause. She divorced her husband for this cause.
She doesn’t want to speak to the cause for which/why She divorced her husband
17. He doesn’t want to sell the house. He was born in this house.
He doesn’t want to sell the house in which he was born
18. The teacher is Mr. Pike. We studied with him last year.
The teacher whom We studied with last year is Mr. Pike
19. The problem has been discussed in class. We are very interested in it
The problem which we are very interested in has been discussed in class
20. Many diseases are no longer dangerous. People died of them years ago.
Many diseases which people died of years ago are no longer dangerous
21. Do you see my pen? I have just written the lesson with it.
Do you see my pen which I have just written the lesson with ?
22. I like standing at the windows. I can see the park from this window.
I like standing at the windows from which I can see the park
23. The boy is my cousin. You made fun of him
The boy whom you made fun of is my cousin
24. This is rare opportunity. You should take advantage of it to get a better job.
This is rare opportunity of which You should take advantage to get a better job.
25. This matter is of great importance. You should pay attention.
This matter is of great importance which You should pay attention.
1. Choose one suitable word to completethe following passage:
fishing; singer; Join; Join in; off; watching; when; spend; movies; things; house; home
I only have Sunday .....OFF...... so I have very little free time. Sunday is a wonderful day for me to ....SPEND...... time with my friends and family. One of the .....THINGS........ I really enjoy doing on Sunday morning is to go .....FISHING...... with my friends, although I am not always successful in catching fish. It is a time to relax and talk about the previous week's events and future plans. I usually go ....HOME......... late in the afternoon. My family sometimes ......JOIN IN...... other relatives on Sunday evening at a karaoke restaurant and we all have a good time together. It is especially fun ....WHEN....... my father gets up to sing. Please. don't tell him I said this, but he is a very bad .....SINGER..... ! Once in a while I go to the .....MOVIES..... with my friends of my brother. Sometimes, I just stay at home, listening to music, .....WATCHING...... videos or reading novels.
2. Fill in each numbered blank with one suitable word.
Alice is a new English friend of ...MINE....... . She is very ......EXCITED..... to tell me about her new .....SCHOOL.......... Her lessons begin at nine each morning and ......LAST....... until half past ten. Then she has a ..BREAK....... for aquarter of an hour. During this time she usually talks to her friend about many things such ....AS....... the last class or last night's movie. She has five ....PERIODS.... in the morning and three in the afternoon. Alice's favorite .....SUBJECT.... English. The first term lasts four months from September to December. Alice tries her .....BEST......... to become a good student in the class.
1. Choose one suitable word to completethe following passage:
fishing; singer; Join; Join in; off; watching; when; spend; movies; things; house; home
I only have Sunday off so I have very little free time. Sunday is a wonderful day for me to spend time with my friends and family. One of the things I really enjoy doing on Sunday morning is to go fishing with my friends, although I am not always successful in catching fish. It is a time to relax and talk about the previous week's events and future plans. I usually go home late in the afternoon. My family sometimes join other relatives on Sunday evening at a karaoke restaurant and we all have a good time together. It is especially fun when my father gets up to sing. Please. don't tell him I said this, but he is a very bad singer! Once in a while I go to the movies with my friends of my brother. Sometimes, I just stay at home, listening to music, watching videos or reading novels.
2. Fill in each numbered blank with one suitable word.
Alice is a new English friend of mine . She is very happy to tell me about her new school . Her lessons begin at nine each morning and last until half past ten. Then she has a break for aquarter of an hour. During this time she usually talks to her friend about many things such as the last class or last night's movie. She has five periods in the morning and three in the afternoon. Alice's favorite subjects English. The first term lasts four months from September to December. Alice tries her best to become a good student in the class.
Ex1.Combine each pair of sentences, Using “whose”
1.Do you know the woman? Her daughter has won the contest.
=>Do you know the woman whose daughter has won the contest?
2.We will tell you about the boy. You met his parents last night.
=>We will tell you about the boy whose parents You met last night.
3.The girl feels happy. Her husband has just won a big prize.
=>The girl whose husband has just won a big prize feels happy
4.The author is an English. You are reading his book.
=>The author whose book you are reading is an E
5.The pupils study hard. Their parents are proud of them.
=>The pupils whose parents are proud of them study hard
6.My sister is trying to get a job. HEr children are at school all day.
=>My sister, whose children are at school all day, is trying to get a job.
7.The girl is beautiful. Her dress is red.
=>the girl whose dress is red is beautiful
8.The man is a doctor. My parents bought the man’s house
=>The man whose parents bought the man's house is a doctor
9.The woman is a nurse. We saw the woman’s daughter last week.
=>The woman whose daughter we saw last week is a nurse
10.Lan is my friend. Her mother died last year.
=>Lan ,whose mother died last year,is my friend
11.The girl is my sister. You took the girl’s picture.
=>The girl whose picture you took is my sister
Ex1.Combine each pair of sentences, Using “whose”
1.Do you know the woman? Her daughter has won the contest.
-> Do you know the woman whose daughter has won the conteset.
2.We will tell you about the boy. You met his parents last night.
-> We will tell you about the boy whose parents you met last week.
3.The girl feels happy. Her husband has just won a big prize.
-> The girl whose husband has just won a bia prize feels happy.
4.The author is an English. You are reading his book.
-> The author whose book you are reading is an English.
5.The pupils study hard. Their parents are proud of them.
-> The pupils whose parents are pround of them study hard.
6.My sister is trying to get a job. HEr children are at school all day.
-> My sister whose children are at school all day is trying to get a job.
7.The girl is beautiful. Her dress is red.
-> The girl whose dress is red is beautiful.
8.The man is a doctor. My parents bought the man’s house
-> The man whose house my parents bought is a doctor.
9.The woman is a nurse. We saw the woman’s daughter last week.
-> The woman whose daughter we saw last week is a nurse.
10.Lan is my friend. Her mother died last year.
-> Lan whose mother died last year is my friend.
11.The girl is my sister. You took the girl’s picture.
-> The girl whose picture you took is my sister.
I. Fill each blank
1. He knows a lot of people who live in Dalat
2. Where is the book that he gave you on your birthday ?
3. A deaf person is the one who is not able to hear
4. I met the girl whom you talked about last night
5. This is the woman whose daughter is a doctor
6. I can’t come to your party, what is a pity
7. What’s the name of the girl whose house has just been sold ?
8. The boy who broke the window was arrested
9. The man whom we met is working in my office
10. The boy whose sister works for your father is my classleader
11.We will soon gather at the village where the festival is taking place
12.Do you know the mane of the tourist who came and talked about New Year in Canada?
13.I’m looking for a book which tells us about traditional festivals of Asian people
14.I couldn’t go to the show which was held in Hoi An last summer
15.This is the photo of a Hero whom our teacher talked about in the lecture
16.My brother has told me about the festival which is held in Hue City every twoyears
17. I recently visited the school which I used to study five years ago
18. I coundn't understand the dance which I saw at the festival last spring
19. I'm really intersted in the present which you gave me on my birthday
20. Have you seen the photos which I took at the camp last spring
21. Stop him. He's the man who stolen my wallet
22. There are many people whose lives have been spoiled by that factory
23. Is that the button that you preesed?
24. The firm, which employs five hundred people, makes video recoders
25. My boss, who work takes him to a lot of different countries, has decided he needs an assistant in London. That's me
26. The work, which increases a lot when the boss is away, is always interesting
27. Vicky, whose name was missed off the list, was not pleased
28. The picture which Laura painted is being shown in an exhibition
29. Aunt Joan, who is a bit deaf, didn't here the phone
30. Henry, whom you'll meet tomorrow, is also the member of the board
31. The concert which we're looking forward to is next Saturday
32. Many people who moved form the country are now returning to the city
33. A pacifist is a person who believes that all wars are wrong
34. An orphan is a child whose parents are dead
35. I don't know the name of the woman whom I met yesterday
36. The woman whom I wanted to see was away on holiday
37. A coward is someone who is not brave
38. The girl who was injured in the accident is in the hospital now
29. I met Jane's father who works at the university
II. Combine 2 sentences using relative clauses
1. I bought a motor. I can use it to travel to work every day
=> I bought a motor which I can use to travel to work every day
2. My cell phone has become necessary part of my life. I only bought it a month ago
=> My cellphone, which I only bought a month ago, has become necessary part of my life
3. My roomate has never been on the Internet. She is afraid of computer
=> My roomate, who is afraid of computer, has never been on the Internet
4. Some people dream of a job. They can do the job without technology
=> Some people dream of a job that they can do without technology
5. The man is a computer expert. You were talking to him
=> The man whom you were talking to is a computer expert
6. Some documents have been found. They were stolen from a car
=> Some documents which were stolen from a car have been found
7. Marta has a brother. Her brother's name is Manuel
=> Marta has a brother whose name is Manuel
8. Show me the shoes. You bought them yesterday
=> Show me the shoes which you bought yesterday
9. Edward has just moved to France. His mother died last year
=> Edward, whose mother died last year, has just moved to France
10. That man looks very lonely. He lives in the next floor
=> That man who lives in the next floor looks very lonely
11. The house is empty now. I used to live there
=>The house which I used to live is empty now
12. We often go to the town culture house. The town culture house always opens on public holidays
=> We often go to the town culture house which always opens on public holidays
13. I like reading books. Books tell about different peoples and their cultures
=> I like reading books which tell about different peoples and their cultures
14. My aunt Judy id the woman. She is holding Jack
=> My aunt Judy is the woman who is holdingJack
15. Linda is the girl. She is giving my mom a present
=> Linda is the girl who is giving my mom a present
16. That is the man. He bought her car last month
=> That is the man who bought his car last month
17. Those are the books. He has just bought them from the bookstore
=> Those are the books which he has just bought from the bookstore
18. The students are from China. They are sitting in the front row
=> The students who are sitting in the front row are from China
19. I like the girl. I met her at the party last night
=> I like the girl whom I met at the party last night
20. The boy is very happy. He won the race yesterday
=> The boy who won the race yesterday is very happy
21. The teacher liked the composition. She wrote it last Monday
=> The teacher liked the composition that she wrote it last Monday
22. The people are very friendly. We visited the two week ago
=> The people whom we visited the two week ago are very friendly
23. The book is very interesting. It was written by Jane Austen
=> The book which was written by Jane Austen is very interesting
24. The lady gave me good advice. I spoke to her an hour ago
=> The lady whom I spoke to an hour ago gave me a good advice
25. Is that the computer. Your father bought it last month?
=> Is that the computer which your father bought it last month?
26. Mr Nam is an experienced doctor. His house is near mine
=> Mr Nam, whose house is near mine, is an experienced doctor
27. The records are mostly classical. He owns them
=> The records which he owns are mostly classical
28. I saw some people and some animals. They were working on the farm
=> I saw some people and some animals that were working on the farm
29. My husband sent me this postcard. He is on a business trip to Rome all this week
=> My husband, who is on a business trip to Rome all this week, sent me this postcard
30. He is the famous scientist. Many books have been written about him
=> He is the famous scientist whose many books have been written about him
31. I've seen the little girl and her puppy. They've lived next door for ages
=> I've seen the little girl and her puppy that have lived next door for ages
32. The loud noise woke everybody up. He made the noise
=> The loud noise that he made woke everybody up
33. The birthday party was too noisy. We went to it
=> The birthday party that we went to was too noisy
34. Who was that boy? You were with him this morning
=> Who was that boy you were with him this morning ?
35. I don't like the tie. John was wearing it
=> I don't like the tie which John was wearing
36. Have you found the keys? You have lost them
=> Have you found the keys which you have lost ?
37. I like the dress. Trang is wearing it
=> I like the dress which Trang is wearing
38. The fish is really delicious, we had it for dinner
=> The fish which we had for dinner is really delicious
39. We stay at the hotel. Peter recommended it
=> We stay at the hotel which Peter recommended
40. The church is 200 years old. Our class visited it
=> The church that our class visited is 200 years old
41. The film was interesting. I watch it on TV last night
=> The film that I watch on TV last night was interesting
EXERCISE I:Write who, that, which, or nothing to complete these sentences :
1.Have you got the money _____which______ I lent you yesterday ?
2.Peter, _____whom______ I had seen earlier, wasn’t at the party. 3.This is the machine ______which_____ cost half a million pounds.
4.Mary, ______who_____ had been listening to the conversation, looked angry.
5.Have you read the book ___which________ I gave you ?
6.The hous, ______which_____ they bought three months ago, looks lovely.
7.Mrs.Jackson, ___who________ had been very ill, died yesterday.
8.Is this the person ___who________ stole your handbag ?
9.The dog, ______which_____ had been very quiet, suddenly started barking.
10.I didn’t receive the letters __which_________ she sent me.
11.My mother, ________who___ hadn’t been expecting visitors, looked surprised.
12.The old man, _who_____ had been talking to them earlier, knew that they were in thebuilding.
13.The horse, _____which____ had been injured by the flying stones, was very frightened.
14.We didn’t like the secetary __whom_________ the agency sent.
15.I didn’t find the money ______which_____ you said you’d left.
EXERCISE I:Write who, that, which, or nothing to complete these sentences :
1.Have you got the money ___that________ I lent you yesterday ?
2.Peter, _____that______ I had seen earlier, wasn’t at the party.
3.This is the machine ____which_______ cost half a million pounds.
4.Mary, ______who_____ had been listening to the conversation, looked angry.
5.Have you read the book ___that________ I gave you ?
6.The hous, _____which______ they bought three months ago, looks lovely.
7.Mrs.Jackson, _____who______ had been very ill, died yesterday.
8.Is this the person ____who_______ stole your handbag ?
9.The dog, _____which______ had been very quiet, suddenly started barking.
10.I didn’t receive the letters ____that_______ she sent me.
11.My mother, _____who______ hadn’t been expecting visitors, looked surprised.
12.The old man, __who____ had been talking to them earlier, knew that they were in thebuilding.
13.The horse, _____which____ had been injured by the flying stones, was very frightened.
14.We didn’t like the secetary ____which_______ the agency sent.
15.I didn’t find the money _____which______ you said you’d left.
Use a relative pronoun preceded by a preposition to combine each pair of the sentences below:
1/ The teacher is Mr John. We studied with him last year.
-> The teacher with whom we studied last year is Mr John.
2/Many diseases are no longer dangerous. People died of them years ago.
-> Many diseases, which people died of years ago, are no longer dangerous.
3/The problem has been discussed in class. We are very intersted in it.
-> The problem, which we are very interested in, has been discussed in class.
4/ Do you see my pen? I have just written my lesson with it.
-> Do you see my pen which I have just written my lesson with?
5/ I like standing at the window. I can see the park from this window.
-> I like standing at the window from which I can see the park.
6/ We are crossing the meadow. We flew kites over it in our childhood
-> We are crossing meadow over which we flew kites in our childhood.
7/ They are repairing the tubes. Water is brought into our house through the tubes
-> They are repairing the tubes through which water is brought into our house.
8/ In the middle of the village there is a well. The villagers take water from this well to drink.
-> In the middle of the village there is a well from which the villagers take water to drink.
9/ The middle aged man is the director. My father is talking to him.
-> The middle aged man, whom my father is talking to, is the director.
10/ This is a rare opportunity. You should take advantage of it to get a better job.
-> This is a rare opportunity which you should take advantage of to get a better job.
Use a relative pronoun preceded by a preposition to combine each pair of the sentences below:
1/ The teacher is Mr John. We studied him last year.
=> The teacher with whom we studied last year is Mr John.
2/Many diseases are no longer dangerous. People died of them years ago.
=> Many diseases of which people died years ago are no longer dangerous.
3/The problem has been discussed in class. We are very intersted in it.
=> The problem in which we are very interested has been discussed in the class.
4/ Do you see my pen? I have just written my lesson with it.
=> Do you see my pen, with which I've just written the lesson.
5/ I like standing at the window. I can see the park from this window.
=> I like standing at the window from which I can see the park.
6/ We are crossing the meadow. We flew kites over it in our childhood
=> We are crossing the meadow over which we flew kites in our childhood.
7/ They are repairing the tubes. Water is brought into our house through the tubes
=> They are repairing the tubes through which water is brought into our house.
8/ In the middle of the village there is a well. The villager take water from this well to drink.
=> In the middle of the village there is a well from which the villagers take water to drink.
9/ The middle aged man is the director. My father is talking to him.
=> The middle-aged man to whom my father is talking is the director
10/ This is a rare oppurtunity. You should take advatage of it to get a better job.
=> This is a rare opportunity of which you should take advantage to get a better job.