Complete the 12 sentences below. Choose the best answer for each one.
1By the time the fraud hearing opens at 9 a.m. on Monday, our accountants will ............... the suspect transactions for exactly six weeks.
Wrong!
Use "have been analysing" for an action that will continue up to a future point with a stated duration.
2At precisely 10:30 tomorrow, please do not transfer any calls, because the director will ............... evidence to the parliamentary committee.
Wrong!
Use "be giving" for an action that will be in progress at a specific future time.
3By the end of the quarter, the archive will ............... all temperature-sensitive manuscripts to the new climate-controlled vault, so the old room can be renovated.
Wrong!
Use "have relocated" for an action that will be complete before a future deadline.
4As soon as the encryption key ............... rotating at midnight, every inactive session will be terminated automatically.
Wrong!
Use "begins" in a future time clause after "as soon as".
5Do not delete the raw survey data until the statutory retention period ............... next April.
Wrong!
Use "has expired" in a future time clause after "until" to show the period is complete first.
6At 3:15 this afternoon, the rescue helicopter will ............... above the eastern ridge while the ground team crosses the ravine.
Wrong!
Use "be circling" for an action that will be in progress at a stated future moment.
7When the observatory closes for maintenance on 1 September, the telescope will ............... continuously for 7,000 nights.
Wrong!
Use "have been operating" for an action that will continue up to a future point with a stated duration.
8By the time passengers reach the departure gate, the facial-recognition system will ............... their boarding credentials, so no manual check will be needed.
Wrong!
Use "have processed" for an action that will be complete before a later future point.
9Between midnight and 4 a.m. tomorrow, the network engineers will ............... the migration live, so routine support tickets will be paused.
Wrong!
Use "be monitoring" for an activity that will be in progress during a future period.
10Once the regulator ............... the revised safety guidance next week, manufacturers will have ninety days to update their procedures.
Wrong!
Use "has published" in a future time clause after "once" to show completion before the next action.
11By the time the curtain rises on Friday night, the understudies will ............... the final scene for more than a month.
Wrong!
Use "have been rehearsing" for an activity that will continue up to a future point with a stated duration.
12By 6 p.m., the emergency crew will ............... the damaged bridge supports, and only then will pedestrians be allowed back onto the crossing.
Wrong!
Use "have stabilised" for a completed result before the stated future deadline.
Done.
Score: 0/12
Answers
- By the time the fraud hearing opens at 9 a.m. on Monday, our accountants will have been analysing the suspect transactions for exactly six weeks.
- At precisely 10:30 tomorrow, please do not transfer any calls, because the director will be giving evidence to the parliamentary committee.
- By the end of the quarter, the archive will have relocated all temperature-sensitive manuscripts to the new climate-controlled vault, so the old room can be renovated.
- As soon as the encryption key begins rotating at midnight, every inactive session will be terminated automatically.
- Do not delete the raw survey data until the statutory retention period has expired next April.
- At 3:15 this afternoon, the rescue helicopter will be circling above the eastern ridge while the ground team crosses the ravine.
- When the observatory closes for maintenance on 1 September, the telescope will have been operating continuously for 7,000 nights.
- By the time passengers reach the departure gate, the facial-recognition system will have processed their boarding credentials, so no manual check will be needed.
- Between midnight and 4 a.m. tomorrow, the network engineers will be monitoring the migration live, so routine support tickets will be paused.
- Once the regulator has published the revised safety guidance next week, manufacturers will have ninety days to update their procedures.
- By the time the curtain rises on Friday night, the understudies will have been rehearsing the final scene for more than a month.
- By 6 p.m., the emergency crew will have stabilised the damaged bridge supports, and only then will pedestrians be allowed back onto the crossing.

