Page 44 - Grammar For YDT - 11

EXERCISES

ENGLISH B) Circle the correct option to complete the sentences.

1. As soon as the necessary equipment arrives, the experiment will start / will have started.
2. The research team will have been studying / will study this topic for 9 years by the time they publish their
comprehensive report.
3. Advancements in nanotechnology will lead to / will have led to groundbreaking innovations in the fields of medicine,
electronics, and materials science in a few years.
4. The scientists will be discussing / will have discussed the behaviours of black holes at the conference at 2 o’clock
tomorrow.
5. The couple will have completed / will have been completing their doctoral dissertation by the end of the semester.
6. Based on the detailed market analysis, the company is going to launch / will have launched a new product line
to meet the increasing demand.
7. By the time the conference takes place, our team will be preparing / will have been preparing the presentation for
several months to make sure it is complete and effective.
8. In the coming years, renewable energy sources will be playing / will have been playing a crucial role in reducing
carbon emissions and addressing climate change.

C) Complete the sentences with the correct forms of the words in parentheses.
1. When I _________________ (arrive) at the party, everyone _________________ (already / eat) dinner, and the
band _________________ (play) their last song.
2. The children _________________ (build) sandcastles on the beach while their parents _________________
(relax) under the umbrella.
3. By the time George and Linda _________________ (reach) the airport, the flight _________________ (depart),
and they _________________ (wait) for the next available one.
4. Last weekend, while John and his wife _________________ (hike) in the mountains, it _________________ (start)
to rain heavily, so they _________________ (take) shelter under a big tree until the storm _________________
(pass).
5. Before I _________________ (move) to this city, I _________________ (live) in a small town for most of my life so
I _________________ (never / see) so many people and tall buildings before.
6. Janet _________________ (study) for the exam all night long, and when she _________________ (take) the test,
she _________________ (feel) quite confident about her answers.
7. The sun _________________ (set) and the waves _________________ (crash) against the shore as the birds
_________________ (sing) their evening songs.
8. When Mary finally _________________ (wake up), the sun _________________ (shine) brightly, and her mother
_________________ (already / prepare) the breakfast in the garden.
D) Match the halves to make meaningful sentences.

1. As soon as scientists had discovered the new species ___ a. they will be much less likely to have accidents and
of plant, hurt themselves or the environment.
___ b. they published their findings in a prestigious
2. After the students hand in their assignments,
scientific journal.
3. Once people know how to store and handle chemicals ___ c. its citizens will continue to face numerous
properly, challenges in various aspects of their lives.
___ d. the nurses had prepared the patient’s room and
4. By the time the experiment reaches its conclusion,
gathered all of the medical supplies they could need.
5. Before the doctor arrived at the hospital, ___ e. ecosystems on earth had already suffered
6. Until Nigeria improves its infrastructure and invests in irreparable harm.
quality education and healthcare, ___ f. they had cordoned off the area and began
collecting critical evidence.
7. By the time people realised the seriousness of the ___ g. the researchers will have collected a lot of data to
environmental crisis, analyse and draw meaningful conclusions from.

8. When the police arrived at the crime scene, ___ h. they will have some free time to relax and unwind
before the next class.

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