1. When the police arrived.........................., the car (go)........................
2. They (eat)......................... everything by the time he (come)............................... to the party.
3. When I (come) came , the meeting (start)...............................
4. By the time you (get)....................... her letter, she (leave)......................... for Paris.
5. By the time I (arrive)..................the airport, I (realise)........................ that I (leave)....................... my passport at home.
6. They (lock)...................... the door before they (go)......................................... out.
7. After he (have)................... breakfast, he (drive)...................... to work.
8. Before they (build)...................... a new school, they (pull)....................... down the old one.
9. We (have)......................... lunch when we (hear)........................... the news.
10. Last night, I (eat).................... a new food. I really (never eat)............................... that food before.
11. Yesterday I (cross).........................the street when a truck (run)...................... very fast and nearly (hit)................ me.
12. After we (walk).................... for many hours, we (reach)..................... the top of the hill.
13. He (be)..................... a teacher for 20 years before he (retire)......................... in 2009.
14. By the time the boss (come)................... back, I (finish)...................... all the work.
15. Before he (cook).......................... the dinner, he (buy).......................... some food at the butcher’s.
16. Mary (make)........................ a sandwich and then (sit)........................ on the sofa.
17. He (die)........................... after he (be).............................. ill for a long time.
18. I (drink)...................... some coffe before I (go)......................... to bed last night.
19. She (wait)...................... for him until 7.00 but he (not come)............................ so she (leave).
20. When I (open)....................... the door I (recognise)........................... that someone (break).................... into my house and (take).......................... some things.
21. The match (go)........................... on when it (suddenly rain)............................... heavily.
22. The fire (start)............................... when the campers (have).................................. a party in the forest.
Exercise 2: Choose A/B/C OR D:
1. I ________ my uncle’s home many times when I ________ a child.
A. visited/ is B. visits/ was C. visited/ was D. visited/ were
2. It ________ me half an hour to get to the supermarket yesterday. A. take B. takes C. took D. spent
3. I___him well when he came last weekend. A. didn’t treat B. not treated C. have treated D. was treating
4. I can’t believe that my expensive bicycle ___last night. A. was stolen B. was stealing C. is stolen D. stole
5. As I ________ my homework, he came yesterday afternoon.
A. did B. were doing C. am doing D. was doing
6. At this time yesterday, everyone ________. in the room.
A. is dancing B. was dancing C. dances D. danced
7. After Mary ________ her degree, she went to work in her father's company.
A. had finished B. is finishing C. finishes D. have finished
8. A small stone struck the windshield while we ________ down the road.
A. drive B. were driving C. had driven D. had been driving
9. ______this letter ________ last night? A. Is/ written B. Is/ wrote C. Was/ written D. Were/ written
10. The houses where I used to live ________ very comfortable.
A. is B. was C. are D. were
11. After he ________ English course, he went to England to continue his study.
A. will finish B. has finished C. had finished D. have been finished.
12. Who ________ when I came?
A. were you talking to B. are you talking to C. you are talking to D. you were talking to
13. Before he ________ to bed, he ________ his homework.
A. went/ has done B. went/ had done C. goes/ have done D. goes/ did
14. He is the most wonderful person I ________.
A. have ever met B. had ever met C. ever meet D. am meeting
15. Millions of dollars ________ spent on advertising last year. A. is B. was C. are D. were
16. He found a watch in the street, and then he ________ to return it to the loser.
A. had tried B. was trying C. tried D. had been trying
Exercise 3: Find and correct the mistakes:
1. I had ran before you called me.
2. I had hidden your wallet before you find it yesterday.
3. Mary had dug before you plant trees yesterday afternoon.
4. I had have wonderful love before you appeared in my life.
5. I had burnt my body before they say good bye to me.
6. My aunt work in London before she moved to Norwich.
7. The Norwegians planted their flag at the summit just before the British team arrived.
8. By the time I come, they had finished watching film.
9. I thought he hasn't eaten anything.
10. After he come home, he continued going
i giúp mình với ạ
1. When the police arrived.........................., the car (go).................had gone.......
2. They (eat).............had eaten........... everything by the time he (come)....................came........... to the party.
3. When I (come) came , the meeting (start).................had started..............
4. By the time you (get)...........got............ her letter, she (leave).................had left........ for Paris.
5. By the time I (arrive)...........arrived......the airport, I (realise)......... realized ............... that I (leave).............had left.......... my passport at home.
6. They (lock).........had locked............. the door before they (go)..................went...................... out.
7. After he (have).............had had...... breakfast, he (drive).........drove............. to work.
8. Before they (build).......built............... a new school, they (pull).............had pulled.......... down the old one.
9. We (have)............were having............. lunch when we (hear)................heard........... the news.
10. Last night, I (eat)............ate........ a new food. I had really (never eat).............never eaten.................. that food before.
11. Yesterday I (cross).............was crossing...........the street when a truck (run)............ran.......... very fast and nearly (hit)......hit......... me.
12. After we (walk)........had walked............ for many hours, we (reach).......reached.............. the top of the hill.
13. He (be)............had been......... a teacher for 20 years before he (retire).................retired........ in 2009.
14. By the time the boss (come)............came....... back, I (finish).............had finíhed........ all the work.
15. Before he (cook)................cooked.......... the dinner, he (buy)...........had bought............... some food at the butcher’s.
16. Mary (make)..............made.......... a sandwich and then (sit).............sat........... on the sofa.
17. He (die)............đie............... after he (be)...........had been................... ill for a long time.
18. I (drink)..........had drunk............ some coffe before I (go)..............went........... to bed last night.
19. She (wait).............had waited......... for him until 7.00 but he (not come)..............came.............. so she (leave)left.
20. When I (open).............opened.......... the door I (recognise)..............recognised............. that someone (break)........had broken............ into my house and (take).............had taken............. some things.
21. The match (go)..................was going......... on when it (suddenly rain)......................rained......... heavily.
22. The fire (start)...................was starting............ when the campers (have)............had...................... a party in the forest.
