Rewrite the sentences using the prompts, putting in commas where necessary. Don't use contractions (I'll, we'll etc). You will need to use future perfect or future perfect continuous.
ANSWERS
Answers
1)
By the time we get home, they will have been playing football for 45 minutes.
2)
They will have finished the bridge by the end of the year.
3)
When they get back to the base, they will have been in the snowstorm for eleven hours.
4)
In April next year, Alex will have been studying for three years.
5)
Ann will be tired when she gets home because she will have been jogging for over two hours.
6)
John will not have arrived home until after six o'clock.