Home work Past perfect 1. Ms Smith (leave) before you phoned.
2. They (change) the flat tyre before they continued driving.
3. The thief (break) into our house before we returned.
4. By yesterday, the boss
5. The plane (read) all the letters. (take) off before the fire started.
6. Before he returned, she (drink) five cups of tea.
7. Ann A Davi (clean) the kitchen. (wash) the car.
8. David (wash) the car.
9. The boys (write) a lot of poems. 10. Tom (do) the homework.
11. Jack and Jill (buy) a new car.
12. Julia (open) the front door, before we arrived.
13. They (ride) their bicycle in the park.
14. Peter (phone) his best friend, before the party started
15, Bu the time the police appeared, the burglar (run) away. 16. After ! (brush) my teeth, I went to sleep.
17. Paul (speak) with his friends.
18. Jack and James (feed) the cat. 19. We (play) in the garden.
20. Mary (be) with a cute boy
​

1. Ms Smith had left before you phoned.
Explanation: We use the past perfect tense to show that an action was completed before another action in the past. In this sentence, the action of Ms Smith leaving (past perfect) was completed before the action of you phoning (simple past).

2. They had changed the flat tyre before they continued driving.
Explanation: Similar to the previous sentence, the action of changing the flat tyre (past perfect) was completed before the action of continuing driving (simple past).

3. The thief had broken into our house before we returned.
Explanation: Once again, the action of the thief breaking into our house (past perfect) was completed before the action of us returning (simple past).

4. By yesterday, the boss had already arrived.
Explanation: In this sentence, the past perfect tense is used to indicate that the boss had arrived (past perfect) before the specific point in the past which is "yesterday".

5. The plane had read all the letters before it took off before the fire started.
Explanation: The past perfect tense is used to show that the plane had finished reading all the letters (past perfect) before two other actions took place - taking off (simple past) and the fire starting (simple past).

6. Before he returned, she had drunk five cups of tea.
Explanation: The past perfect tense is used to express the idea that she had already drunk five cups of tea (past perfect) before he returned (simple past).

7. Ann had cleaned the kitchen and washed the car.
Explanation: In this sentence, the past perfect tense is not used because the order of the actions is not clear. We can understand that Ann cleaned the kitchen and washed the car, but we can't determine which action occurred first.

8. David washed the car.
Explanation: No additional tense is needed for this sentence since it describes a single action in the past.

9. The boys had written a lot of poems.
Explanation: The past perfect tense is used to indicate that the boys had completed writing a lot of poems (past perfect) before the present moment or another past action that is not specified.

10. Tom had done the homework.
Explanation: The past perfect tense is used to show that Tom had finished doing the homework (past perfect) before the present moment or another past action that is not specified.

11. Jack and Jill had bought a new car.
Explanation: The past perfect tense is used to indicate that Jack and Jill had purchased a new car (past perfect) before the present moment or another past action that is not specified.

12. Julia had opened the front door before we arrived.
Explanation: The action of Julia opening the front door (past perfect) was completed before the action of us arriving (simple past).

13. They had ridden their bicycle in the park.
Explanation: The past perfect tense is used to show that they had ridden their bicycle (past perfect) before the present moment or another past action that is not specified.

14. Peter had phoned his best friend before the party started.
Explanation: The past perfect tense is used to indicate that Peter had made a phone call to his best friend (past perfect) before the action of the party starting (simple past).

15. By the time the police appeared, the burglar had already run away.
Explanation: The past perfect tense is used to express the idea that the burglar had already finished running away (past perfect) before the police appeared (simple past).

16. After I had brushed my teeth, I went to sleep.
Explanation: The past perfect tense is used to show that I had finished brushing my teeth (past perfect) before the action of going to sleep (simple past).

17. Paul was speaking with his friends.
Explanation: No additional tense is needed for this sentence since it describes an ongoing action in the past.

18. Jack and James fed the cat.
Explanation: No additional tense is needed for this sentence since it describes a single action in the past.

19. We played in the garden.
Explanation: No additional tense is needed for this sentence since it describes a single action in the past.

20. Mary was with a cute boy.
Explanation: No additional tense is needed for this sentence since it describes a situation in the past.