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1. The man had left before we arrived at the place
-> By the time we arrived at the place, the man had already left.
Tick nhen 
1. => By the time we arrived at the place, the man had already left.
I. Change the following sentences to passive voice.
1. Her sister is preparing the breakfast in the kitchen,
=> The breakfast is being prepared in the kitchen by her sister..
2. We should clean our teeth at least once a day.
=> Our teeth should be cleaned at least once a day.
3. The shop assistant handed the packages to the customer.
=> The packages were handed to the customer by the shop assistant
4. The director award the first prize to the best competitor.
=.> The first prize to the best compertitor was awarded by the director
5. The organizer says that the performance will start at 7 p.m.
=> The performance is said to start at 7 p.m by the orgaanizer
6. He recommended that we shouldn't stay in the suburb.
=>We were recommended not being stayed in the suburb by him.
7. I had a technician repair my mobile phone.
=> I had my mobile phone repaired by a technician
8. They often get the technician to maintain the water heater.
=> They often get the water heater maintained by the technician
9. How long have you waited for the dentist?
=> How long has the dentist been waited for?
10. People saw her plant the tree.
=> She was seen to plant the tree.
II. Find ONE mistake in each of the following sentences and correct it.
1. I came back home after my sister had finish her dinner.=> finished
2. Frank said that he has met Sir. Alex Ferguson before.=> had
3. Before Christine goes to bed, she had drunk a glass of wine.=> went
4. She told her husband she hadn't wore such a kind of dress before.=> worn
5 When I arrived at the stadium, the football match had starting. => started.
III. Use the given words to write the complete sentences.
1. What/ I / do/ make you sad/ so much?
=> What did I do make you sad so much?
2. I/ already/ quit/job/ when/ she/join/company.
=> I had already quitted the job when she joined company.
3. He/ not be able to eat/ dinner/ before/ his wife/ come home.
=> He is not able to eat dinner before his wife comes home
4. Anna/ work/ accountant/ four years before she/ promote.
=> Anna had worked as a accountant for four years before she promoted.
5. My sister/ finish lunch/ by the time/ 1/ walk/ kitchen.
=> My sister had finished lunch by the time I walked to the kitchen.
- co j sai sot mong thong cam :(
Rewrite sentences by combining two sentences into one sentence and using suggested clues:
1. David had gone home before we arrived.
- After David had gone home, we arrived.
2. We had lunch then we took a look around the shops.
- Before we took a look around the shops, we had lunch.
3. The light had gone out before we got out of the office.
- When we got out of the office, the light had gone out.
4. After she had explained everything clearly, we started our work.
- By the time we started our work, she had explained eveerything clearly.
5. My father had watered all the plants in the garden by the time my mother came home.
- Before my mother came home, my father had watered all the plants in the garden.
6. Bill will invite Ann to the party.
- Ann will be invited to the party by Bill.
7. I didn't write that letter.
- That letter wasn't written by me.
8. Hundreds of people visit the White House everyday.
- The White House is visited by hundreds of people everyday.
9. Everyone doesn't know this fact very well.
- This fact isn't known very well.
10. Do you wash the dishes everyday?
- Are the dishes washed by you everyday?
11. Shakespeare wrote that play.
- That play was written by Shakespeare.
12. They are opening a new ring road round the city.
- A new ring road is being opened round the city.
13. They have moved nothing in your room.
- Nothing has been moved in your room.
14. The teacher is going to explain the lesson.
- The lesson is going to be explained by the teacher.
15. Kathy had returned the book to the library.
- The book had been returned to the library by Kathy.
16. They have to repair the engine of the car.
- The engine of the car have to be repaired.
17. They may use this room for the classroom.
- This room may be used for the classroom.
18. They can’t make tea with cold water.
- Tea can't be made with cold water.
19. The chief engineer was instructing all the workers of the plant.
- All the workers of the plant were being instructed by the chief engineer.
20. The air is so dirty. I sneeze so much.
- If the air wasn't so dirty, I wouldn't sneeze so much.
21. Their children have birth defects. The parents were exposed to radiation.
- Because the parents were exposed to radiation, their children have birth defects.
22. The air pollution causes breathing problems. (LEADS)
The air pollution leads to breathing problems.
23. The environment is polluted. Birds leave their habitats and plants die. (MAKES)
The polluted environment makes birds leave their habitats and plants die.
24. Plastic bags are major source of waste. We should not theow plastic bags everywhere. (SO)
Plastic bags are major source of waste so we should not throw plastic bags everywhere.
25. The food is contaminated. People’s health is poor. (RESULT IN)
The food is contaminated results in people's poor health.
26. Factories release fumes. The air people breathe gets polluted. (DUE TO)
The air people breathe gets polluted due to factories' releasing fumes.
1. I was sure that I _______ the woman before.
a) seen b) had seen c) have seen d) has see
2. Tim wanted to know what _______ to his backpack.
a) have happened b) happened c) had happened d) happens
3. Marcia ______ by the time we got there.
a) left b) leaves c) have left d) had left
4. I realized that I ________ the wrong book from the library.
a) had taken b) took c) have taken d) take
5. Melissa ate the cake that I ______.
a) baked b) have bake c) bake d) had baked
6. The teacher asked why I _______ class early.
a) have left b) left c) had left d) leave
7. What did Andrew say that he __________ with my Cd?
a) had done b) did c) have done d) has done
8. At the party Susan ________ some cake.
a) have ate b) have eaten c) has ate d) has eaten
9. The teacher corrected the composition I ____.
a) have wrote b) have written c) had written d) has written
10. The last time I was there it _________ a very good restaurant.
a) had been b) have been c) been d) be
Final del formulario
11. Principio del formulario1. 1.1
Sam washed the car after he ______it with gas.
a) had filled b) have filles c) fills d) filled
12. Frank left the table after he _______ eating.
a) finishes b) have finished c)finish d)had finished
13. By the time my wife came home, I ______ the laundry
a) do b) had done c) did d) have done
14. I went to work after I _______ dog.
a) had walked b) walks c) have walked d) walks
15. Susan was late. By the time she got to school the class _______ already.
a) have started b) starts c) was starting d)had started
16. We watched TV after our daughter _______ to bed.
a) had gone b) go c) have went d) goes
17. We _____ that car for ten years before we sold it.
a) have b) did have c) had d) had had
18. By the time Maria finished her report, she _______ working on the computer for over three hours.
a) be b) has c) had been d) have been
19. She ______ Victoria once in 1993 before she moved there in 1996.
a) visit b) have visited c) had visited d) visits
20. Ming _____ as a carpenter before he was laid off.
a) works b) have worked c) work d) had worked
1,it's three years since i lost saw nam
=> i haven't seen Nam for three years
2, the last time she visited me was five months ago
=> she hasn't visited me for five months
3, i last wrote to my cousin mai in june
=> i haven't written to my cousin Mai since June
4, it's a long time since we became close friends
=> we have became close friends for a long time
5, this is the first time he went abroad
=> he hasn't gone abroad before
6, we began eating when it started to rain
=> we have begun eating since it started to rain
7, i last had my hair out when i left her
=> i haven't had my hair out since i left her
Rewrite the following sentences unchanging the meaning:
1, It's three years since I last saw Nam.
=> I haven't seen Nam for three years.
2, The last time she visited me was five months ago.
=> She hasn't visited me for five months.
3, I last wrote to my cousin Mai in June.
=> I haven't written to my cousin Mai since June.
4, It's a long time since we became close friends.
=> We have become close friends for a long time.
5, This is the first time he went abroad.
=> He hasn't gone abroad before.
6, We began eating when it started to rain.
=> We have eaten since it started to rain.
7, I last had my hair out when I left her.
=> I haven't had my hair out since I left her.
1. I'm not her, but I think she should learn harder.
➝ If I were she, I would learn harder
( I'm not her No Never will Never gonna move like her, move like
I'm not her :))) ) ( đừng chép cái này :)) )
2. The rain was heavy, so we could not go to school on time.
➝ Because of the heavy rain, we could not go to school on time
3. She had a bad cold because she played in the rain.
➝ Since she played in the rain, she had a bad cold
4. I became fatter because I ate a lot of sugar.
➝ Due to eating a lot of sugar, i became fatter
5. My mother had gone to work before I got up.
➝ After my mother had gone to work, I got up
1)chuyển thành câu bi động
he had decorated the house before last Tet
---> the home had been decorated before last Tet.
2) chuyển đổi giữa if và unless
we won't go on holiday unless we have enough money
----> If we don't have enough money, we won't go on holiday.
she can't apply for the job if she doesn't know French
----> Unless she know French, she can't apply for the job.
1)chuyển thành câu bi động
he had decorated the house before last Tet
---> the home had been decorated by him before last Tet
we have our mother washed the clothes
---> our clothes have been washed by our mother
2) chuyển đổi giữa if và unless
we won't go on holiday unless we have enough money
----> If we have enough money , we will go on holiday
hoặc
----> If we don't enough money , we won't go on holiday
she can't apply for the job if she doesn't know French
----> Unless she knows French , she can't apply for the job
hoặc
----> Unless she doesn't know French , she can apply for the job
1 After David had gone home , we arrived
2 Before we took a look ảound the shops, we had had lunch
3 When we got out of the office, the light had gone out
4 By the time we started our work, she had explained everything dearly
5 Before my mother came home, my father had watered all the plants in the garden