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23. Jack left the office before I arrived
When I arrived, Jack had left the office
24. Nam did all his homework and then he went out with his friends
After Nam had done all his homework, he wen out withhis friends
25. Nam bought a new bicycle, but first he saved enough money.
Before Nam bought a new bicycle, he had saved enough money.
1. He had dinner before he went out to play with his friend.
After he had had dinner, he went out to play with his friend.
2. Mary finished her homework before we arrived.
When we arrived, Mary had finished her homework
3. After he had had a bath, he ate his dinner.
Before he ate his dinner, he had had a bath
4. Daisy went home before I arrived.
When I arrived, Daisy had gone home
Bài này chỉ cần xác định rõ hành động nào xảy ra trước ta đưa vào thì quá khứ hoàn thành, còn cái hành động xảy ra sau đưa vào thì quá khứ đơn là đc
1. The last bus left before Carol got to the bus stop. HAD
=> When Carol got to...the bus stop, the last bus had left
2. I made an appointment, and then I went to see the dentist. AFTER
=> I went to..see the dentist, I had..made an appointment.
3. The workmen finished, and then the new owners moved in. WHEN
=> The workmen..had finished, the new owners.moved in.
4. Their last holiday was in Nha Trang. TO
=> They..went to Nha Trang for...their last holiday.
5. The burglar escaped before the police arrived. HAD
=> When the police.arrived, the burglar had ..escaped.
6. Laura walked to the office in heavy rain. AS
=> It was.raining heavily when Laura..walked to the office.
7. I haven't been to my home town for two years. LAST
=> I....last went to my home town 2 years ago..two years ago.
8. I recognized her at once. SEEN
=> At once I knew...I had seen her.before.
9. She went to the capital city for the first time. NEVER.
=> She had...never been to the capital city.before.
10. The police arrived too late, so the robbers got away. ALREADY
=> By the time the police...arrived, the robber had got away.
11. How long have you had your motobike? BUY
=> When..did you buy your..motorbike?
12. The phone call interrupted my breakfast. WHEN
=> I was...having breakfast when the phone call..rang
13. I thought the house seemed familiar. SEEN
=> I thought...I had seen the house .before
. 14. I missed the bus so I took a taxi. HAD => I took..a taxi because I had missed.the bus
1/The burglar escaped , and then the police arrived.
-->Before ..... the police arrived, The burglar had escaped ..................................
2/Before he went to shool , he had ironed his clothes.
-->First...........he ironed his clothes, then he went to shool.....................................
3/ He had hardly left the office when the telephone rang.
-->No sooner.......had he left the office than the telephone rang.............................................
4/I had only just put the phone down when the boss rang back.
-->Hardly......had I put the phone down when the boss rang back..........................
5/As soon as I got into the bath , someone knocked at the door.
-->No sooner......did I got into the bath than someone knocked at the door........................
6/Just as she put the phone down, it rang again.
-->Barely......did she put the phone down when it rang again..........................................
7/He got down to writing the letter as soon as e returned from his walk.
-->No sooner......did he got down to writing the letter than e returned from his walk.......................................
8/ She had hardly begun to speak before people started interrupting her .
-->Hardly.......had shebegun to speak when people started interrupting her . ............................
9/Sam played tennis yesterday and it as his first game.(never)
-->....Sam played tennis yesterday and he had never played it before............................
10/Sam is playing tennis now and it is his first game.(never)
-->.....Sam is playing tennis now and has never play it before............................................
11/How long is it since they went to Nairobi?(When)
-->.......When did they go to Nairobi...................................
12/Mac Kenzie wrote four best-sellers before he was twenty. (By the age )
-->...............Mac Kenzie wrote four best-sellers by the age of twenty....................................
13/Alice made an appointment, and went to see the doctor.
-->After......making .an appointment, Alice went to see the doctor.................................................
1. They started working, and then the boss came in (When)
->They......were working when the boss.......................came in
2. I made an appointment, and then i went to see the customer (After)
->I went to.... see the customer after I had made an appointment
3. The thief escaped before the police arrived (Had)
->When the police.... arrived, The robber had run away.
4. She went to the capital city for the first time (Never)
->She..........have never gone to the capital city........................before
5. The phone call interrupted my breakfash (When)
->I was.... having breakfast when the phone rang
6. I missed the bus, so I caught the taxi (Had)
->I caught......the taxi after i had missed..................the bus
7. How long have you had your motorbike? (Buy)
->When........did you buy your............motorbike?
8. I have not been to Dalat for three years (Last)
->I.......was last to Dalat ..............three years ago
1 It's the first time my father has driven a car
2 This is the first time she has been to the ballet dancing
3 Before I went to school, I had gone over my lesson
4 After he had done all his exercises, he watched TV
5 I've never met a more generous person than my teacher
27.Before they came home,I had finished
28.After Jack had left the office,I arrived
29.Before jonh went to bed,he had finished the report
30.After Steven had saved enough money, he bought a new motorbike