III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

III. Transformation

(Simple past vs Past perfect)

      1. Alex phoned the police. He saw the accident.

           → As soon as ..........................................................................................................................

      2. The police arrived so late, so the robbers escaped.

           → By the time ........................................................................................................................

      3. I turned off the lights. After that I left the room.

           → Before ..................................................................................................................................

      4. Everyone went home and afterwards this message arrived.

           → After ......................................................................................................................................

      5. Michael worked as a physicist after graduating from the university.

           → After ......................................................................................................................................

      6. He left school and then joined the army.

           → After ......................................................................................................................................

      7. Mary finished her homework and then went to bed.

           → Before ..................................................................................................................................

(Áp dụng những thì khác)

      8. The frying fan caught on fire. I was making dinner at that time.

           → While ....................................................................................................................................

      10. The flood raced down the valley and destroyed everything on its path

           → When ....................................................................................................................................

      9. I talked to Laura. This made me feel less nervous.

           → Since .....................................................................................................................................

      11. Ms. Johnson will return your call. She’ll have some free time.

           → As soon as ..........................................................................................................................

      12. Susan sometimes feels nervous. She chews her nails.

           → Whenever ...........................................................................................................................

Past perfect vs past simple

16. They (be) ............ out for an hour when it (start) ............... to rain.

17. They (leave). .................. the shop as soon as they (buy) ............. everything they (need)...........

18. The house (burn) .......... to the ground buy the time the firemen (arrive) .................

19. As he (do) ....... a lot of work that day he (be) .............. very tired.

20. I already (hear) ................. about the accident when he (tell) ............. me about it.

II. Give the correct forms of the verbs in brackets using the past simple or past perfect.

1. Mr. Brown (come) ______________ home as soon as he (finish) ______________ his work.

2. I (live) ______________ in Texas for 4 years before I (move) ______________ California.

3. When Mr. Smith (wake) ______________ yesterday morning, breakfast (already be) ______________ ready.

4. Before I (get) ______________ promotion, I (work) ______________ very hard.

5. Yesterday, my mother (pick) ___________ me up from school before we (go) ____________ shopping together.

6. Our grandparent (tell) ____________ us that he (serve) ____________ in the army in 1945.

7. After having dinner with my boyfriend, I (go) ______________ home.

8. Yesterday (be) ______________ the first time Jane (perform) ______________ in front of such large audience.

9. Peter (admit) _____________ he (break) _____________ my favorite vase the day before.

10. What ______________ (you/do) before you (come) ______________ there?

11. Yesterday I (feel) ____________ nervous as I (not prepare) ____________ my presentation carefully.

12. ______________ (Peter/ come) to see you after he (finish) ______________ his work?

13. Mary (prepare) ______________the meal before she (invite) ______________ her new neighbor to have lunch with her.

14. Before I (buy) ______________ a car, I (travel) ______________ by bus for nearly 5 years.

15. As soon as Jane (see) ______________ Jim, she (storm) ______________ out of the room.

mong mng giúp ạ 

Complete the sentence with the past simple or past perfect form of the verb in brackets.

1. As soon as I.... (download) the document, I knew I .......(make) a mistake.

2.By the time the firemen.... (arrive), the fire ......(destroy)three houses.

3.When I last.... (speak) to her, she still .....(not finish)her assignment

4. She said that she (already/see)……. Dr. Rice

5.After they (go) …………, I (sit) ….…….. down and (watch)………….TV

Complete the second part of the article. Use the past simple, past perfect simple or past perfect continuous of the verbs in brackets.

By 1717 Black Sam and his crew had captured over fifty ships but none was as large or as rich as the slave ship, the W. In April of 1717 the Whydah (15) ……………………………………………. (just / sell) a cargo of slaves and was returning to London when Black Sam (16) ………………………………. (begin) to chase her. By the time he (17) ……………………………………………. (capture) her, he (18) ……………………………………………. (chase) her for three days.

At last Black Sam (19) ……………………………………………. (find) the wealth he (20) ……………………………………………. (look) for and he (21) ……………………………………………. (decide) to sail back to Cape Cod. But the Whydah (22) ……………………………………………. (sail) into a storm and strong winds (23) ……………………………………………. (drive) her towards land. The ship (24) …………………………………. (strike) rocks a hundred yards from the shores of Cape Cod and (25) ………………………....…………. (sink). Two men (26) ………………..……..……………. (swim) to shore but Black Sam wasn't one of them.

According to legend. Black Sam (27) ……………………………………………. (travel) home to meet Maria Hallet. Some people believe he (28) ……………………………………………. (decide) to propose marriage. They also say Maria (29) ……………………………………………. (wait) for his return and was watching from the cliffs of Cape Cod when the Whydah (30) ……………………………………………. (go) down. Was Maria saddened to lose her lover - or was she glad to be rid of such a dangerous man? No one knows.

Complete the second part of the article. Use the past simple, past perfect simple or past perfect continuous of the verbs in brackets.

By 1717 Black Sam and his crew had captured over fifty ships but none was as large or as rich as the slave ship, the W. In April of 1717 the Whydah (15) ……………………………………………. (just / sell) a cargo of slaves and was returning to London when Black Sam (16) ………………………………. (begin) to chase her. By the time he (17) ……………………………………………. (capture) her, he (18) ……………………………………………. (chase) her for three days.

At last Black Sam (19) ……………………………………………. (find) the wealth he (20) ……………………………………………. (look) for and he (21) ……………………………………………. (decide) to sail back to Cape Cod. But the Whydah (22) ……………………………………………. (sail) into a storm and strong winds (23) ……………………………………………. (drive) her towards land. The ship (24) …………………………………. (strike) rocks a hundred yards from the shores of Cape Cod and (25) ………………………....…………. (sink). Two men (26) ………………..……..……………. (swim) to shore but Black Sam wasn't one of them.

According to legend. Black Sam (27) ……………………………………………. (travel) home to meet Maria Hallet. Some people believe he (28) ……………………………………………. (decide) to propose marriage. They also say Maria (29) ……………………………………………. (wait) for his return and was watching from the cliffs of Cape Cod when the Whydah (30) ……………………………………………. (go) down. Was Maria saddened to lose her lover - or was she glad to be rid of such a dangerous man? No one knows.