Key to Bachillerato 1

REWRITE THE FOLLOWING SENTENCES WITHOUT CHANGING THEIR ORIGINAL MEANING.

1. [THE PASSIVE VOICE] A young artist painted that modern mural last summer.

   • That modern mural was painted by a young artist last summer.

2. [CONDITIONALS] We won't finish the history project unless we work together this afternoon.

   • If we don't work together this afternoon, we won't finish the history project.

3. [VERB TENSES / TIME CLAUSES] My laptop stopped working during my online English class.

   • While I was having my online English class, my laptop stopped working.

4. [REPORTED SPEECH] “Have you ever visited London before?” the tour guide asked Lucas.

   • The tour guide wanted to know if Lucas had ever visited London before.

5. [MODAL VERBS] It is a strict rule to turn off your mobile phones during the exam.

   • You must turn off your mobile phones during the exam.

6. [RELATIVE CLAUSES] A technician fixed my smartphone yesterday. He was very professional.

   • The technician who fixed my smartphone yesterday was very professional.

7. [THE PASSIVE VOICE] The school principal has delivered the graduation diplomas this morning.

   • The graduation diplomas have been delivered by the school principal this morning.

8. [CONDITIONALS] I didn't get a good mark because I didn't pay attention to the instructions.

   • If I had paid attention to the instructions, I would have got a good mark.

9. [VERB TENSES / TIME CLAUSES] Mr. Green bought his new car three years ago.

   • Mr. Green has had / owned his new car for three years.

10. [REPORTED SPEECH] “Where are you planning to go for your summer holidays?” Sofia asked me.

    • Sofia asked me where I was planning to go for my summer holidays.

11. [MODAL VERBS] I advise you to read this book before writing your essay.

    • You should / ought to read this book before writing your essay.

12. [RELATIVE CLAUSES] London is an exciting city. We spent our last school trip there.

    • London, where we spent our last school trip, is an exciting city.

13. [THE PASSIVE VOICE] The local bakery gave the customers a free cookie on opening day.

    • (1) The customers were given a free cookie by the local bakery on opening day.

    • (2) A free cookie was given to the customers by the local bakery on opening day.

14. [CONDITIONALS] Take a jacket or you will feel cold during the evening walk.

    • If you don't take a jacket, you will feel cold during the evening walk.

15. [VERB TENSES / TIME CLAUSES] Our plane took off, and shortly after that, the flight attendants served lunch.

    • After our plane had taken off, the flight attendants served lunch.

16. [REPORTED SPEECH] “Don't touch the laboratory equipment, students!” the science teacher said.

    • The science teacher told the students not to touch the laboratory equipment.

17. [MODAL VERBS] It is possible that my family will travel to France next weekend.

    • My family may / might travel to France next weekend.

18. [RELATIVE CLAUSES] That is the English teacher. I talked to her about my exam yesterday.

    • That is the English teacher who / whom I talked to about my exam yesterday.

19. Someone stole my sister’s bicycle from the garage last night.

    • My sister’s bicycle was stolen from the garage last night.

20. I don’t have enough money, so I can’t buy tickets for the music festival.

    • If I had enough money, I could / would buy tickets for the music festival.

21. David started learning German in 2024.

    • David has been learning German since 2024.

22. “When did you arrive at the train station?” my mother asked my brother.

    • My mother asked my brother when he had arrived at the train station.

23. Students are not allowed to run in the school corridors.

    • Students must not run in the school corridors.

24. I bought a second-hand laptop. It was advertised on a popular website.

    • I bought a second-hand laptop which / that was advertised on a popular website.

25. The mechanic is repairing my mother's car at the moment.

    • My mother's car is being repaired by the mechanic at the moment.

26. They didn't arrive on time because they missed the early bus.

    • If they hadn't missed the early bus, they would have arrived on time.

27. We finished the dinner preparation and then our guests arrived.

    • By the time our guests arrived, we had finished the dinner preparation.

28. “Please, close the window because it is very windy,” Julia said to me.

    • Julia asked me to close the window because it was very windy.

29. Perhaps Liam is at the library studying for the final test.

    • Liam may / might be at the library studying for the final test.

30. Valencia is a beautiful coastal city. My grandparents live there.

    • Valencia, where my grandparents live, is a beautiful coastal city.

31. The sports company will offer the winner a fantastic prize.

    • (1) The winner will be offered a fantastic prize by the sports company.

    • (2) A fantastic prize will be offered to the winner by the sports company.

32. Eat healthy food regularly and you will feel much more energetic.

    • If you eat healthy food regularly, you will feel much more energetic.

33. I haven't eaten traditional Italian pizza for six months.

    • The last time I ate traditional Italian pizza was six months ago.

34. “Are you going to attend the photography workshop tomorrow?” Tom asked Clara.

    • Tom wanted to know if / whether Clara was going to attend the photography workshop the following day.

35. It is necessary for us to buy the ingredients for the cake today.

    • We must / need to buy the ingredients for the cake today.

36. This is the new student. Her father works as a doctor in the local hospital.

    • This is the new student whose father works as a doctor in the local hospital.

37. Someone has found the keys under the teacher's desk.

    • The keys have been found under the teacher's desk.

38. My friend didn't remember your email address, so she didn't send you the link.

    • If my friend had remembered your email address, she would have sent you the link.

39. The match started in the middle of our outdoor gym lesson.

    • While we were having our outdoor gym lesson, the match started.

40. “Don't worry about the results,” the basketball coach told the team.

    • The basketball coach told the team not to worry about the results.

41. I advise you to study a little bit every day before the exams.

    • You had better study a little bit every day before the exams.

42. The old building was demolished last month. I used to study there.

    • The old building, where I used to study, was demolished last month.

43. A security guard stopped the man at the supermarket entrance.

    • The man was stopped by a security guard at the supermarket entrance.

44. Without your explanation, I wouldn't have understood the grammar exercise.

    • If you hadn't explained, I wouldn't have understood the grammar exercise.

45. This is my first time visiting a digital art museum.

    • I have never visited a digital art museum before.

46. “How old are you?” the camp monitor asked the young boy.

    • The camp monitor asked the young boy how old he was.

47. It isn't necessary to bring a dictionary to the English class tomorrow.

    • You don't have to / needn't bring a dictionary to the English class tomorrow.

48. The boy broke the classroom window. He ran away immediately.

    • The boy who broke the classroom window ran away immediately.

49. They took the injured dog to the nearest vet clinic.

    • The injured dog was taken to the nearest vet clinic.

50. You don't practice speaking English often, that's why you don't improve quickly.

    • If you practiced speaking English more often, you would improve more quickly.