1. ...they will have made the project.
2. ... he will be reading this book for 13 days.
3. ...we'll already watched this movie twice.
4. ...will have gone home.
5. ...will be preparing their own tasks for three weeks.
6. ...we will have improved our work.
7. ...will have washed all the windows in my house.
8. ...will have read it by the end of this weekend.