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Exercise "Future perfect continuous", created by necroboynonoss (a free exercise to learn English):
Results of the 628 people who have taken this test:
Average mark: 62 / 100 Share
Latest member with a 100/100 (perfect mark): bleuclair64 / FRANCE, on Wednesday 29 July - 07:43:
They got a perfect mark
Stats (628 candidates)
Question 1 passed: 70.1 %
Jenny * (to help) her brother since 1:00 PM before he discovers it.
Question 2 passed: 72 %
By 2010, my parents * (to live) in Paris for twelve years.
Question 3 passed: 54.9 %
The teacher * (not / take) a class since 2 o'clock.
Question 4 passed: 58 %
By next week, Andrew * (not / to drive) his car for two years.
Question 5 passed: 64.2 %
Next month, John * (to work) in this factory for five years.
Question 6 passed: 52.7 %
Derek * (not / to bet) on horse races for 15 years by then.
Question 7 passed: 59.7 %
By the time he finishes the race, Eliot * (to run) more than 30 kilometres.
Question 8 passed: 66.9 %
The workers * (to check) their job before the headman comes.
Question 9 passed: 68.5 %
By the time their mother arrives, John and Sarah * (to cook) for hours.
Question 10 passed: 23.6 %
By the end of the month, this absurd project * (to cost) us £ 2,000.
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