1. Question 1 of 50

   Choose the correct sentence: 'By the time the pandemic is declared over, healthcare workers _______ tirelessly for years.'

   A will have been serving B will serve C serve D will have served
2. Question 2 of 50

   Choose the correct sentence: 'When you arrive, I _______ for you for over an hour.'

   A will have been waiting B will wait C wait D will have waited
3. Question 3 of 50

   Choose the correct interrogative future perfect continuous form: '_______ you have been studying English for ten years by the time you take the CSS exam?'

   A Do B Will C Are D Have
4. Question 4 of 50

   Distinguish 'will have worked' (future perfect) from 'will have been working' (future perfect continuous) in emphasis.

   A 'Will have worked' emphasizes the completed result/fact; 'will have been working' emphasizes the continuous duration of the activity leading up to the future point. B 'Will have been working' is used only with past time references. C 'Will have worked' cannot be used with any duration expression. D Both forms always mean exactly the same thing.
5. Question 5 of 50

   Choose the correct sentence: 'By the time the anniversary event begins, the organizing committee _______ for this occasion for nearly a year.'

   A will plan B plan C will have been planning D will have planned
6. Question 6 of 50

   Choose the correct sentence summarizing the key distinction between future perfect and future perfect continuous, useful for CSS essay precision.

   A The future perfect can never be used with a specific time reference. B The future perfect emphasizes a completed action or result before a future point, while the future perfect continuous emphasizes the ongoing duration of an activity leading up to that point. C The future perfect continuous can only refer to past actions. D The future perfect and future perfect continuous are always fully interchangeable with no distinction.
7. Question 7 of 50

   Choose the correct sentence: 'By next week, the technicians _______ the network issue for over ten days.'

   A will troubleshoot B troubleshoot C will have troubleshot D will have been troubleshooting
8. Question 8 of 50

   Choose the correct sentence: 'By the end of next year, this NGO _______ clean drinking water to remote villages for five years.'

   A will deliver B will have been delivering C will have delivered D delivers
9. Question 9 of 50

   Choose the correct sentence: 'By next year, this charity _______ meals to the underprivileged for two whole decades.'

   A will provide B provides C will have provided D will have been providing
10. Question 10 of 50

    Choose the correct sentence: 'By the time the drought ends, farmers _______ for rain for over a year.'

    A will pray B will have prayed C pray D will have been praying
11. Question 11 of 50

    Choose the correct sentence: 'By 2030, this factory _______ solar panels for fifteen years.'

    A produces B will produce C will have produced D will have been producing
12. Question 12 of 50

    Choose the correct sentence: 'By the time the treaty is signed, both nations _______ over these terms for years.'

    A will negotiate B negotiate C will have been negotiating D will have negotiated
13. Question 13 of 50

    Choose the correct sentence: 'By the end of this year, she _______ towards her degree for four years.'

    A works B will work C will have been working D will have worked
14. Question 14 of 50

    Choose the correct sentence: 'By this time next year, the government _______ the new policy for twelve months.'

    A will have been implementing B will implement C implements D will have implemented
15. Question 15 of 50

    Choose the correct sentence: 'By the time the new stadium opens, construction crews _______ on it for over three years.'

    A will have been working B will work C work D will have worked
16. Question 16 of 50

    Choose the correct sentence: 'By this time next week, I _______ this manuscript for over a month.'

    A will have edited B will edit C edit D will have been editing
17. Question 17 of 50

    Choose the correct sentence: 'By the next anniversary, the couple _______ married for twenty-five years.'

    A are B will have been C will be D will have
18. Question 18 of 50

    Choose the correct sentence: 'By the time she finishes medical school, she _______ towards her degree for eight years, including undergraduate studies.'

    A studies B will have studied C will have been studying D will study
19. Question 19 of 50

    Choose the correct sentence: 'By the time this exhibition closes, thousands of visitors _______ through its galleries.'

    A pass B will pass C will have passed D will have been passing
20. Question 20 of 50

    Choose the correct sentence: 'By midnight, the volunteers _______ relief supplies for twelve straight hours.'

    A will distribute B will have been distributing C will have distributed D distribute
21. Question 21 of 50

    Choose the correct sentence: 'By the end of this semester, I _______ this university for two full years.'

    A will have been attending B attend C will attend D will have attended
22. Question 22 of 50

    Choose the correct sentence: 'By the time the appeal is heard, the defendant _______ in custody for over two years.'

    A will have been sitting B will have sat C sits D will sit
23. Question 23 of 50

    Choose the correct sentence: 'By the time the ceasefire is declared, the two nations _______ for nearly a decade.'

    A will fight B will have fought C fight D will have been fighting
24. Question 24 of 50

    Choose the correct sentence: 'By this time next month, the aid workers _______ relief efforts for over ninety days.'

    A will have been coordinating B will have coordinated C coordinate D will coordinate
25. Question 25 of 50

    Choose the correct sentence: 'By the time the audit is complete, the accountants _______ the records for three weeks.'

    A will have reviewed B will have been reviewing C review D will review
26. Question 26 of 50

    Choose the correct sentence: 'By next month, I _______ this course for six months.'

    A take B will have taken C will have been taking D will take
27. Question 27 of 50

    Choose the correct sentence: 'By the time this bill becomes law, lawmakers _______ over its provisions for months.'

    A will debate B debate C will have been debating D will have debated
28. Question 28 of 50

    Choose the correct sentence: 'By 2040, this dam _______ electricity to the region for over fifty years.'

    A will have supplied B supplies C will have been supplying D will supply
29. Question 29 of 50

    Choose the correct sentence: 'By next spring, the workers _______ on this dam for five years.'

    A will labor B will have been laboring C labor D will have labored
30. Question 30 of 50

    Choose the correct sentence: 'By the time the marathon ends, the runners _______ for over four hours.'

    A will run B run C will have run D will have been running
31. Question 31 of 50

    Choose the correct sentence: 'By the end of next month, she _______ towards her fitness goal for ninety days.'

    A will have been training B will have trained C will train D trains
32. Question 32 of 50

    Choose the correct negative future perfect continuous form: 'By December, they _______ construction for over a year.'

    A don't do B won't have been doing C aren't doing D won't have done
33. Question 33 of 50

    Choose the correct sentence: 'By the time the storm passes, residents _______ without electricity for three days.'

    A live B will have lived C will have been living D will live
34. Question 34 of 50

    Choose the correct sentence: 'By the time he retires, he _______ for the same company for thirty years.'

    A will have worked B will have been working C will work D works
35. Question 35 of 50

    Choose the correct sentence: 'By the time you read this letter, I _______ abroad for six months.'

    A will have been living B will live C live D will have lived
36. Question 36 of 50

    Choose the correct sentence: 'By the time the summit concludes, world leaders _______ climate policy for three consecutive days.'

    A will have discussed B will discuss C discuss D will have been discussing
37. Question 37 of 50

    Choose the correct sentence: 'By the time the peace talks resume, rebels _______ down their arms for six months.'

    A will have laid B will have been laying C lay D will lay
38. Question 38 of 50

    Choose the correct sentence: 'By the time the merger is finalized, the two companies _______ for over a year.'

    A will have negotiated B will have been negotiating C will negotiate D negotiate
39. Question 39 of 50

    Choose the correct sentence: 'By the time she finishes her PhD, she _______ this topic for nearly a decade.'

    A researches B will have researched C will have been researching D will research
40. Question 40 of 50

    Choose the correct sentence: 'By next year, this bridge _______ traffic for fifty years.'

    A will have carried B carries C will carry D will have been carrying
41. Question 41 of 50

    Choose the correct future perfect continuous form: 'By next June, she _______ here for five years.'

    A works B will have worked C will be working D will have been working
42. Question 42 of 50

    Choose the correct sentence: 'By the end of next year, I _______ towards my novel for three years.'

    A will have been writing B write C will have written D will write
43. Question 43 of 50

    Choose the correct sentence: 'By the time the trial concludes, the judge _______ testimony for several months.'

    A hears B will have heard C will have been hearing D will hear
44. Question 44 of 50

    Choose the correct sentence: 'By the time the negotiations conclude, the diplomats _______ for several weeks.'

    A will meet B will have been meeting C will have met D meet
45. Question 45 of 50

    Choose the correct sentence: 'By this time next month, the researchers _______ the data for over six months.'

    A will have analyzed B will analyze C will have been analyzing D analyze
46. Question 46 of 50

    Choose the correct sentence: 'By the time she gives her final presentation, she _______ on this research for the entire academic year.'

    A will have worked B will work C works D will have been working
47. Question 47 of 50

    Choose the correct sentence: 'By the time the ship reaches port, the crew _______ at sea for nearly two months.'

    A will have sailed B will have been sailing C sail D will sail
48. Question 48 of 50

    Choose the correct sentence: 'By the end of the decade, this organization _______ millions of families for generations.'

    A will have been supporting B will support C supports D will have supported
49. Question 49 of 50

    Choose the correct sentence: 'By 5 p.m., the workers _______ non-stop for eight hours.'

    A will have labored B will labor C will have been laboring D labor
50. Question 50 of 50

    Choose the correct sentence: 'By the time the census concludes, enumerators _______ households nationwide for several weeks.'

    A will have been surveying B will have surveyed C will survey D survey

You can practise as a guest, but sign in to save your score and track your progress.