Use the Future Perfect Continuous or the Future Perfect.
1. I (write) a thesis for 6 months by the end of the year.
2. How long you (study) in this group by February?
3. They (complete) the new bridge by the end of the year.
4. She (leave) for work before the children get home from school.
5. I hope I (finish) this report by the end of the day.

1 will have written 2 how long will have you been studying 3 will have completed 4 will have left5 will have finished

1. I will have been writing a thesis for 6 months by the end of the year. 2. How long will you have been studying in this group by February?3. They will have completed the new bridge by the end of the year.4. She will have left  for work before the children get home from school. 5. I hope I will have finished this report by the end of the day.