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1. John has just driven them to the hospital.(Passive voice)
=> They have just been driven to the hospital by John
2.they have just built a new primary school in this area.(Passive voice)
=> a new primary school has just been built in this area
3. The teacher has told me about the changes of the timetable.(Passive voice)
=> I have been told about the changes of the timetable by the teacher
4. Nobody has used the building before. (Hasn't)
=> the building hasn't been used before
5. Has someone decorated my dinning room?(Passive voice)
=> Has my dinning room been decorated ?
6.people have discovered a new source of energy.(Passive voice)
=> a new source of energy has been discovered
7.people have changed the method of teaching languages since 1998.(Passive voice)
=> the method of teaching languages has been changed since 1998.
8. They have already built a new bridge over the canal(Passive voice)
=> a new bridge has already been built over the canal
9. They don't go to the church every sunday any longer. (Used to)
=> They used to go to the church every sunday
10. My father smoked a lot of cigarettes a day, but now he gives up smoking. (Used to)
=> My father used to smoke a lot of cigarettes a day, but now he gives up smoking.
11. We often went fishing on this river we were small children. (Used to)
=> We used to go fishing on this river we were small children.
12.he ate a lot of candies when he was a child. (Used to)
=> He used to eat a lot of candies when he was a child.
13.he took a great interest in photography. (Used to)
He used to take a great interest in photography.
14. Phong did his homework VERY QUICKLY. (Make question for the underlined phrase)
=> How did Phong do his homework ?
15.he bought the laptop at the super market. (Make question for the underlined phrase) ( gạch ở đâu ? )
16.i didn't write her BEACAUSE I DIDN'T HAVE HER ADDRESS. (Make question for the underlined phrase)
=> Why didn't you write her ?
17.Many and long are studing CHEMIST AND GEOGRAPHY now. (Make question for the underlined phrase)
=> What subjects are Many and long studying now ?
18.Mai did her morning exercise IN THE YARD. (Make question for the underlined phrase)
=> Where did Mai do her morning exercise
19. She has THREE BROTHERS. (Make question for the underlined phrase)
=> What does she have ?
20.My mother goes shopping TWICE A WEEK. (Make question for the underlined phrase)
=> How often does your mother go shopping ?
21. He went to school ON FOOT. (Make question for the underlined phrase)
=> How did he go to school ?
22. They no longer played teenis.
=>They used to play tennis
23. Mr. Vy drank some lemonade.
=>What did Mr Vy drink ?
24. My father has taught Physisc at Chu Van An school for two years.
=>Physics has been taught at Chu Van An school by my father for two years.
25. They have cancelled the meeting.
=> The meeting has been cancelled
26.They have already sent two million books to the America.
=> Two million books have been sent to the America.
27. No one has used this computer for a long time.
=> this computer hasn't been used for a long time.
28. They have taken her to hospital.
She has been taken to hospital
#Yumi
Câu 15: he bought the loptop AT THE SUPER MARKET. (make question for the underlined phrase)
Chọn câu đúng trong 4 câu sau
1. Somebody is using the computer at the moment.
a. The computer is being use at the moment.
b. The computer at the moment is being used.
d. The computer is used at the moment.
d. The computer is being used by some body at the moment.
2. They are building a new highway around the city.
a. A new highway is being built around the city.
b. A new highway is being built around the city by them.
c. A new highway around the city is being built.
d. Around the city a new highway is being built.
3. They have built a new hospital near the airport.
a. A new hospital has been built near the airport by them. |
b. A new hospital near the airport has been built.
c. A new hospital has been built near the airport.
d. Near the airport a new hospital has been.
4. They have changed the date of the meeting.
a. The date of the meeting has been changed.
b. The date of the meeting has been changed by them.
c. The meeting has been changed the date.
d. The date of the meeting has changed.
5. Somebody cleans the room every day.
a. The room every day is cleaned. b. The room is every day cleaned.
c. The room is cleaned every day.
d. The room is cleaned by somebody every day.
6. They cancelled all flights because of fog.
a. All flights because of fog were cancelled.
b. All flights were cancelled because of fog.
b. All flights were because of fog cancelled.
d. All flights were cancelled by them because of fog
7. People don't use this road very often.
a. This road is not used very often.
b. Not very often this road is not used.
c. This road very often is not used.
d. This road not very often is used.
8. Somebody accused me of stealing money.
a. I was accused by somebody of stealing money. b. I was accused of stealing money
c. I was accused of stealing money by somebody.
d. I was accused stealing money.
9. These boys carried the box into the room.
a. The box was carried by these boys into the room.
b. The box was carried into the room.
c. The box into the room was carried by these boys.
d. The box was carried into the room by these boys.
10. Tom bought that book yesterday.
a. That book was bought yesterday by Tom.
b. That book was bought by Tom yesterday.
c. That book yesterday was bought by Tom.
d. That book was bought yesterday.
11. The refreshments _______________ by Karen.
a. are going to be prepared b. are going to prepare
c. are preparing
d. are to prepare
12. Recently, the best way to protect the environment _________ by some scientists.
a. is found b. is being found c. was found d. has been found
13. The book (publish) _________ before customers ordered to buy it.
a. published
b. was being published
c. had been published
d. had published
14. He broke my watch.
a. My watch were broken.
b. My watch be broken
c. My watch is broken
d. My watch was broken
15. I still cannot believe it. My bicycle ______ some minutes ago.
a. was stolen b. was stealing c. stolen d. stole
16. “ Can’t we do something about the situation?”- “ Something ___________ right now.”
a. is doing b. is do c. is being done d. has been doing
17. Tom carried the box into the room.
a. The box was carried by Tom into the room.
b. The box was carried into the room.
c. The box into the room was carried by Tom.
d. The box was carried into the room by Tom.
18. They have changed the date of the meeting.
a. The date of the meeting has been changed.
b.The date of the meeting has been changed by them.
c. The meeting has been changed the date.
d. The date of the meeting has changed.
19. Why _______________ on time ?
a. don't the exercises finish . b. weren't the exercises be finished.
c. aren't the exercises being finished .
d. aren't the exercises be finished.
20. ____________ students required to wear uniforms at all times ?
a. Are b. Do c. Did d. Will
21. _______________ to you yet ?
a. Are the book been giving back .
b. Was the book been given back.
c. Has been the book given back .
d. Have the books been given back.
22. Have they tested all the machines ?
a. have all the machines be tested?
b. have all the machines been testing?
c. Have all the machines be tested?
d. have all the machines been being testing?
23. The money ______ to him 2 months ago, but it ______ back yet.
a. was sent/ had not been given
b. has been sent/ was not given
c. was sent/ has not given
d. was sent/ has not been given
24. My shirt _______ by my sister on my last birthday.
a. gave b. was given c. had been given d. was being given
25. Tom bought that book yesterday.
a. That book was bought by Tom yesterday.
b. That book was bought by Tom yesterday.
c. That book yesterday was bought by Tom.
d. That book was bought yesterday.
26. Somebody cleans the room every day.
a. The room every day is cleaned.
b. The room is every day cleaned.
c. The room is cleaned every day.
d. The room is cleaned by somebody every day.
27. A : "Are we about to have dinner ?". – B : “Yes, it _________ in the dining room".
a. is serving b. serves
c. is being served d. served
28. "What a beautiful dress you're wearing!" - “Thank you. It_____ especially for me by a French tailor".
a. is made b. has made c. made d. was made
29. Gold ____________ in California in the nineteenth century.
a. was discovered
b. has been discovered
c. was discover
d. they discovered
30. "We're still looking for Thomas". - "Hasn't he_____ yet?".
a. been found
b. to find
c. found
d. being found __
31.French _______ in that college since 1979.
a. was taught
b. was being taught
c. has been taught
d. had been taught
32. The telephone ______________ by Alexander Graham Bell.
a. invented b. is inventing c. be invented d. was invented
33. The trees________________.
a. were grown by john yesterday in the backyard.
b. were grown in the backyard yesterday by john.
c. were grown in the backyard by john yesterday.
d. in the backyard were grown yesterday by john.
-Nhiều quá à...Làm giúp bạn một vài phần thôi,còn lại xem lại công thức nhé....
B. USING THE PRESENT CONTINUOUS REWRITE THE FOLLOWING SENTENCE WITH THE FORM OF PASSIVE
1. I am cleaning my room
-> my room is being cleaned .
2. they are rebuilding the damaged museum
-> the damaged museum is being rebuilt.
3. my mother is not preparing the dinner in the kitchen
-> the dinner isn't being prepared in the kitchen by my mother.
4. mary is performing magic tricks at Tom's party
-> magic tricks are being performed at Tom's party by mary.
5. she is decorating her house with many flowers
-> her house is being decorated with many flowers
6. i'm reading a famous novel named Gone with the wind
-> a famous novel is being read named Gone with the wind
7. are they washing his car at the garage?
->Is his car being washed at the garage?
8. the chairman of the comapny is presenting the annual report in the meeting room
-> the annual report is being presented in the meeting room by the chairman of the company
9. the zoo keeper is not feeding those dangerous tigers
-> those dangerous tigers aren't being fed by the zoo keeper.
10. is he watering the trees in the garden?
-> Are the trees being watered?
Phần còn lại nhìn công thức nha bạn.
B. USING THE PRESENT CONTINUOUS REWRITE THE FOLLOWING SENTENCE WITH THE FORM OF PASSIVE
1. I am cleaning my room
-> my mom is being cleaned
2. they are rebuilding the damaged museum
-> the damaged museum is being rebuilt.
3. my mother is not preparing the dinner in the kitchen
-> the dinner is not being prepared in the kitchen by my mother.
4. mary is performing magic tricks at Tom's party
-> magic tricks are being performed at Tom's party by Mary.
5. she is decorating her house with many flowers
-> her house is being decorated with many flowers
6. i'm reading a famous novel named Gone with the wind
-> a famous novel named Gone with the wind is being read.
7. are they washing his car at the garage
-> his car is being washed at the garage.
8. the chairman of the comapny is presenting the annual report in the meeting room
-> the annual report is being presented in the meeting room by the chairman of the company.
9. the zoo keeper is not feeding those dangerous tigers
-> those dangerous tigers are not being fed by the zoo keeper.
10. is he watering the trees in the garden
-> the trees are being watered in the garden.
c. Using the present perfect tense REWRITE THE FOLLOWING SENTENCE WITH THE FORM OF PASSIVE
1. no one has used this washing machine for ages
-> this washing machine hasn't been used for ages
2. he has opened his own restaurant in distric 1
-> his own restaurant in district has been opened.
3. she has cut her hair
-> her hair has been cut.
4. my sister has sliced the beef and put it into refrigerator
-> the beef has been sliced and put into refrigerator by my sister.
5. ourr company has displayed the new car model
- the new car model has been displayed by our company.
6. they have sent some elephants to the zoo
-> some elephants have been sent to the zoo
7. people have said that he has moved his house to Italy
-> he has been said to have moved his house to Italy.
8. have you ever told Alan's story to her mother
-> has alan's story been told to her mother?
9/ i haven't eaten snails before
->snails haven't been eaten before.
10. they've invited Mr. Brown to speak at the conference
- Mr. brown has been invited to speak at the conference.
E. USING THE PAST CONTINOUS REWRITE THE FOLLOWING SENTENCE WITH THE FORM OF PASSIVE
1. Julie was making pancakes in the kitchen
-> Pancakes were being made in the kitchen by Julie.
2. i was helping my little brother with his homework
-> my little brother was being helped with his homework
3. my mother was growing some flowers in the garden
-> some flowers were being grown in the garden by my mother.
4. what was he writing on the desk
-> what was being written on the desk?
5. the boy was throwing the snowball
-> the snowball was being thrown by the boy.
6. nobody was watching tv when we arrived
-> tv wasn't being watched when we arrived
7. why were you picking the leaves
->why were the leaves being picked ?
8. was she reading the magazine when the phone rang
-> Was the magazine being read when the phone rang?
9. mrs. smith was expecting her son to come back
-> mrs. smith's son was being expected to come back.
10. we weren't painting the gate
-> the gate wasn't being painted
F. using the past perfect REWRITE THE FOLLOWING SENTENCE WITH THE FORM OF PASSIVE
1. i had lost the key
- the key had been lost.
2. the little girl had broken the Chinese pot
-> the Chinese pot had been broken by the little girl.
3/ the americans had discovered another planet
-> another planet had been discovered by the Americans.
4. firefighters had put out the fire successfully
-> the fire had been put out successfully by firefighters.
5. the manager hadn't accepted my resighnation letter
-> my resignation letter hadn't been accepted by the manger.
6. had peter found the solutions to these problems
-> Had the solutions to these problems been found by Peter?
7.he had given an interesting book to me
-> an interesting book had been given to me
8. when i got home, i realized that someone had stolen my car
-> when i got home, i realized that my car had been stolen
9. they hadd raised many pigs and chickens on theirs farm
- many pigs and chickens on their farm had been raised
10. the scientists had placed the chemical in the test tube
-> the chemical in the test tube had been placed by the scientists.
WRITE A SENTENCE WITH IF FOR EACH SITUATION
1. he is poor, so he can't make an abroad tour
-> were he not poor, he could make an abroad tour
2. we came home from ourr holiday early because we ran out of money
-> had we not run out of money,we wouldn't have come home from ourr holiday early
3. i can't enter the room now because i left the key at home
-> if I hadn't left the key at home,I would have entered the room now
4/ the men is wearing protective clothing, so they are safe
-> the men wouldn't be safe if they weren't wearing protective clothing
5. be patient or you will destroy everything
-> if you aren't patient, you will destroy everything
6. they used to drink beer for breakfast in england years ago
-> beer used to be drunk for breakfast in england years ago
#cont
REWRITE THE FOLLOWING SENTENCES
1. i think you shouldn't take part in this dancing club
-> if i were you,I wouldn't take part in this dancing club
2. i advise you to listen to the teacher during the lesson
-> if i were you,I would listen to the teacher during the lesson
3. leave me alone or i will call the police
-> if you leave me alone , i will call the police
4. finish your paper or you can't go home
-> if you don't finish your paper , you can't go home
5. they made the little boy climb the chimneys to clean them
-> the little boy was made to climb the chimneys to clean them
6. they say exercise is good for health
-> exercise is said to be good for health
7. you need to have your hair cut
-> your hair needs cutting
8. andrew wanted to ask Frank Sinatra for his autograph, but he wasn't brave enough
-> had andrew been brave enough,he would have asked Frank Sinatra for his autograph.
9. i don't know anything about plumbing so i can't fix the leak in the sink myself
-> were I to know anything about plumbing ,I could fix the leak in the sink myself
10. you need to have your housse rebuilt
-> your house needs rebuilting
11. my parents have just given one of my most favorite toy to me
-> one of my most favorite toys has just been given to me by parents
12. it is said that on of the workers quits the job
-> one of the workers is said to quit the job
13. the students need to do homework every day
-> the homework needs doing be the students everyday
14. my father made me get to school by bike
-> i was made to get to school by bike
15. the kind boss has allowed the unemployed to work in his company
-> the unemployed have been allowed to work in the kind boss's company
16. he doesn't like people laughing at him
-> he doesn't like being laughed at
17. mrs. lan has taken care of the old in my neighborhood recently
-> the old in my neighborhood has been taken care by mrs lan recently
18. no one in my family has eaten a snail before
-> a snail has never been eaten before in my family
19. nobody in the party has tasted my dishes
-> my dishes has never been tasted in the party
20. bring the raincoat with you or you will get wet on the way back
-> should you bring the raincoat with you or you will get wet on the way back
21. there is a grammar error in this English essay, that's why it can't get a full mark
-> if there weren't a grammar error in this English essay, it could get a full mark
22. because i don't have a typewriter, i can't type it myself
-> i could type it if I had a typewriter
23. he was tired so he made a mistake
-> if he weren't tired ,he wouldn't have made a mistake
24. he has just brought some cups of tea to the visitors in the next room
-> some cups of tea have just been bought for the visitors in the next room
25. she can't be employed because she doesn't have college degree
-> if she had college degree,she could be employed
26. there are industrial factories inside the city, that's why pollution can't be reduced
-> pollution could be reduced if there weren't industrial factories inside the city
27. it rained heavily so they didn't go camping last sunday
-> had it not rained heavily ,they would have gone camping last sunday
28. although the weather was bad, i still got to schoold
-> in spite of the bad weather,i still got to schoold
29. he still went to work although he felt too tired
-> despite being tired,he still went to work
30. because it rained , we decided to stay home and watch tv
-> because of raining, we decided to stay home and watch tv
WRITE A SENTENCE WITH IF FOR EACH SITUATION
1. he is poor, so he can't make an abroad tour
-> were he to be rich, he could make an abroad tour
2. we came home from ourr holiday early because we ran out of money
-> had we not run out of money, we would not have come home from our holiday early
3. i can't enter the room now because i left the key at home
-> if I hadn't left the key at home, I could enter the room now
4/ the men is wearing protective clothing, so they are safe
-> the men would be safe with protective clothing
5. be patient or you will destroy everything
-> if you aren't patient, you will destroy everything
6. they used to drink beer for breakfast in england years ago
-> beer used to be drunk for breakfast in england years ago
REWRITE THE FOLLOWING SENTENCES
1. i think you shouldn't take part in this dancing club
-> if i were you, i wouldn't take part in this dancing club
2. i advise you to listen to the teacher during the lesson
-> if i were you, i would listen to the teacher during the lesson
3. leave me alone or i will call the police
-> if you don't leave me alone, i will call the police
4. finish your paper or you can't go home
-> if you don't finish your paper, you can't go home
5. they made the little boy climb the chimneys to clean them
-> the little boy was made to climb the chimneys to clean them
6. they say exercise is good for health
-> exercise is said to be good for health
7. you need to have your hair cut
-> your hair needs cutting
8. andrew wanted to ask Frank Sinatra for his autograph, but he wasn't brave enough
-> had Andrew been brave enough, he would have asked Frank Sinatra for his autograph
9. i don't know anything about plumbing so i can't fix the leak in the sink myself
-> were i to know something about plumbing, i could fix the leak in the sink myself
10. you need to have your housse rebuilt
-> your house needs to be rebuilt
11. my parents have just given one of my most favorite toy to me
-> one of my most favorite toys has just been given to me by my parents
12. it is said that on of the workers quits the job
-> one of the workers is said to quit the job
13. the students need to do homework every day
-> the homework needs to be done by the students every day
14. my father made me get to school by bike
-> i was made to get to school by bike by my father
15. the kind boss has allowed the unemployed to work in his company
-> the unemployed have been allowed to work in his company by the kind boss
16. he doesn't like people laughing at him
-> he doesn't like being laughed at
17. mrs. lan has taken care of the old in my neighborhood recently
-> the old in my neighborhood has been taken care of by mrs lan recently
18. no one in my family has eaten a snail before
-> a snail has never been eaten by a member in my family before
19. nobody in the party has tasted my dishes
-> my dishes have never tasted in the party
20. bring the raincoat with you or you will get wet on the way back
-> should you to bring the raincoat with you, you won't get wet on the way back
21. there is a grammar error in this English essay, that's why it can't get a full mark
-> if there weren't a grammar error in this english essay, it could get a full mark
22. because i don't have a typewriter, i can't type it myself
-> i could type myself if i had a typewriter
23. he was tired so he made a mistake
-> if he hadn't been tired, he wouldn't have made a mistake
24. he has just brought some cups of tea to the visitors in the next room
-> some cups of tea has just been bought to the visitors in the next room
25. she can't be employed because she doesn't have college degree
-> if she had a college degree, she could be employed
26. there are industrial factories inside the city, that's why pollution can't be reduced
-> pollution could be reduced if there weren't industrial factories inside the city
27. it rained heavily so they didn't go camping last sunday
-> had it not rained heavily, they could have gone camping last sunday
28. although the weather was bad, i still got to schoold
-> in spite of the bad weather, i still got to school
29. he still went to work although he felt too tired
-> despite feeling too tired, he still went to work
30. because it rained , we decided to stay home and watch tv
-> because of raining weather, we decided to stay home and watch tv
tents come in ___ shapes and sizes
A. vary B. variety C. various D. variously
12/ ____, we'll arrive before dark
A. Hope B. hopeful c. hopefully d. hopefulness
13/ we're reading a ___ book this week
a. differ b. difference c. different d. differently
14/ she has been ___ criticized in the press
a. heavy b. heaviness c. heavier d. heavily
15/ after the accident he suffered from loss of____
a. momory b. memorize c. memorable d. memorably
16/ diet plays an important role in the ___ of heart disease
a. manage b. manager c. management d. manageable
17/ students say it is helpful if teachers ____ their pronunciation
a. correct b, correction c. correctuve d. correctly
18. many locals are ___ opposed to the development
a. strength b. strong c. strengthen d. strongly
19/ keep ___ by eating well and exercising regularly
a. health b. healthful c. healthy d. healthily
II Grammar
1. the taxi driver's strike ____ last month
a. began b. had begun
2. we ___ her brother since last sunday
a. didn't see b. haven't seen c. don't see d. hadn't seen
3. she has worked forr this company ___ many years ,____1990
a. since/ since b. for / since c. for/ in d. since / in
4. i haven't see Julie ___ christmas
a. for b. from c. since d. during
5. my wife and i ___ three time since we ___ married
a. moved/ got b. move / have got c. have moved / got d. have moved / have got
6. we are talking about the car __ has a red roof
a. who b. whom c. which d. where
7.they have changed the law
a. the law has been change
b. the law has been changed
c. the has to be changed
d. the law has been changing
8. this is the bank __ was robbed yesterday
a. which b. that c. who d. a&b
9. he came with a friend ___ waited outside
a. whom b. which c. who d. when
10. i have received your letters
a. your letters have been received
b. your letters have been receive
c. yourr letters has been receive
d. your letters have received
11. mary , __ knew nothing about the mountain thought it would be safe to climb alone
a. who b. that c. whom d. a&b
12. the book about ____ i told you yesterday has been stolen
a. that b. who c. whom d. which
13. look at the those dark clouds!. Yes, it looks like ___ any minute
a. it's going to rain b. it's raining c. it will rain
14. i'd better get back to the hotel room before the storm. OK___ you later
a. i'm seeing b. i'll see c. i see
15. hi, honey. how's is going ? Great ___ fishing with Grandpa tomorrow
a. i go b. i'm going to c. i'm going
16. have fun but don't forget. you have to finish that paper. I know. Mom ___ it tomorrow. i already have the envelope
a. i'm mailing b. i won't mail c. i mail
17 . Ann is in hopspital. Yes i know ___her tomorrow
a. i visit b. will visit c. are going to visit
18. would you like to join linda and me tomorrow? we __ the natural history museum." sure. I've never been there
a. visit b. will visit c. are going to visit
19. we can't go to Julia's party __ we're going away that weekend
a. because b. because of c. although d. in spite of
20. she walked home by herself __ she knew that it was dangerous
a. because b. although c. and d. despite
21. __ some German and British management styles are similar, there are many differences between them
a. in spite b. in spite of c. although d. despite
22. I could not eat ___ I was very hungry
a. even though b. in spite c. despite d. in spite the fact that
23. julie passed the exam __ of woking very har
a/ despite b. because c. in spite d. though
24. ___ he had enough money, he could buy a new car
a. despite b. in spite of c. because of d. because
25. ___, he walked to the station
a. despite being tired b. although to be tired c. in spite being tired d. despite tired
26 the children slept well, despite_____
a. it was noise b. the noise c. of the noise d. noisy
27. she left him __ she still loved him
a. even if b. even though c. in spite of d. despite
28. ___ her lack of hard work, she wasn't promoted
a. because b. even though c. because of d. in spite of
29/ ourr new neighbors are quite nice ___ they are sometimes talkative
A. despite b. in spite of the fact c. though d. despite of
30/ __ of the difficulty they managed to climb to the top of the mountain
a. in spite b. despite c. but a. although
31. because __ , we arrived late
a. of the traifec b. the traffic b. the heavy traffic. d. of there was heavy traffic
IV.
Change
these
sentences into the passive veice:
1. They make a big cake.
A big cake is made.
2. She has studied English.
E has been studied by her.
3. They repaired the house.
The house was repaired.
4. They have planted coconut trees.
Coconut trees have been planted.
5. She had cleaned her room.
Her room had been cleaned.
6. I am reading books.
Books are being read.
7. I met her in the supermarket yesterday
She was met in the supermarket yesterday.
8. My mother was washing clothes at 8:00 am yesterday
Clothes were being washed by my mother at 8:00 am yesterday.
9. The dog is catching the cat.
The cat is being caught by the dog.
10. She sends me a letter.
a letter is sent to me by her.
1. conservation
2. contribution
3. entrapment
4. challenges
5. mysterious
6. covered
7. maintenance
8. investigation
9. discoveries
10. independent
1. Has Lan been informed of the change?
2. The date of the meeting has been changed.
3. That cake has been made by my mother in the kitchen since 2pm.
4. I have never been treated with such kindness.
5. Has the window of the laboratory been changed?
6. Has the work been finished by Tom?
7. How long has the doctor been waited?
8. Nothing has been moved in your room.