Question

Ex. 4. Put the verbs into the correct form : 1.He (to drive) to work for ten minutes when suddenly his car broke down. 2. She looked tired. She (to work) all day. 3.Mara’s dress was wet. She (to wash) her toys. 4.It was reported that the government (to experiment) some changes in the country’s schools. 5.by that time teachers (to use) the textbooks as “platforms” for classroom exercises for two years. 6.They (to study) English for 3 years when they started to learn French. 7.I (to wait for) my friend so long before she came at last. 8.We (to listen) to music for some time when my parents returned from work. 9. It was known that for months the officials (to work) on the plan how to improve the life of disabled people. 10.A man (to be) unconscious for a few minutes when a doctor came. 11.I (talk) over the phone for a whole hour when my neighbour knocked at the door. 12.The girl (play) the piano for an hour when her parents came. 13. We (sit) in the room for twenty minutes when the taxi arrived. 14.The artist (paint) for many years but he couldn’t sell most of his works.

Answer 1

Ответ:

1. had been driving

2. have been working

3. have been washing

4. had been experimenting

5. have been using

6. they had been studying

7. I had been waiting

8. had been listening

9. have been working

10. had been being

11. had been talking

12. had been playing

13. had been sitting

14. have been painting

Объяснение:

Answer 2

Here is a detailed answer to exercise 4. Put the verbs into the correct form:

1. He was driving to work for ten minutes when suddenly his car broke down. (past continuous + past simple) 2. She looked tired. She had worked all day. (past simple + past perfect) 3. Mara’s dress was wet. She had washed her toys. (past simple + past perfect) 4. It was reported that the government had been experimenting some changes in the country’s schools. (past perfect continuous) 5. By that time teachers had been using the textbooks as “platforms” for classroom exercises for two years. (past perfect continuous) 6. They had studied English for 3 years when they started to learn French. (past perfect + past simple) 7. I had been waiting for my friend so long before she came at last. (past perfect continuous + past simple) 8. We were listening to music for some time when my parents returned from work. (past continuous + past simple) 9. It was known that for months the officials had been working on the plan how to improve the life of disabled people. (past perfect continuous) 10. A man was unconscious for a few minutes when a doctor came. (past continuous + past simple) 11. I had been talking over the phone for a whole hour when my neighbour knocked at the door. (past perfect continuous + past simple) 12. The girl had been playing the piano for an hour when her parents came. (past perfect continuous + past simple) 13. We had been sitting in the room for twenty minutes when the taxi arrived. (past perfect continuous + past simple) 14. The artist had painted for many years but he couldn’t sell most of his works. (past perfect + past simple)

If you want to learn more about the past tenses in English, you can check out these websites:

- [4 Past Tenses and When to Use Them](https://oxfordhousebcn.com/en/4-past-tenses-and-when-to-use-them/) - [Past tense | LearnEnglish](https://learnenglish.britishcouncil.org/grammar/english-grammar-reference/past-tense) - [English Past Tense Comparison](https://english.lingolia.com/en/grammar/tense-comparison/past-tenses) - [Past tenses in English](https://linguapress.com/grammar/past-tenses.htm) - [Past Tense: Simple, Continuous, Perfect & Perfect Continuous](https://www.toppr.com/guides/english/tenses/past-tense/)