11.get-will have been

12.will open

13.will have marked

14.see - will show

15.take - will feel

16.have finished

17.will buy - opens

18.will let - have finished

19.start - will have

20.will wait - comes

21,won't 

22.will have been lived

23.will have 

24.will have been

25.will have been playing

26.will live

27.get - will be waiting

28.are you going to take

29.will be skiing

30.will check

11. When they get married in March, they will have been together for six years.

12. You’re carrying too much. I will open the door for you.
13. Do you think the teacher will have marked our homework by Monday morning?
14. When I see you tomorrow, I will show you my new book.
15. After you take a nap, you will feel a lot better. (or have taken)
16. I’m sorry but you need to stay in the office until you have finished your work. (or
finish)
17. I will buy the cigarettes from the corner shop when it opens.
18. I will let you know the second the builders have finished decorating. (or finish)
19. Before we start our lesson, we are going to have a review. (or will have)
20. We will wait in the shelter until the bus comes.
21. I’m very sorry Dr. Jones won’t back in the clinic until 2pm.
22. This summer, I will have been living in Brighton for four years.
23. I don’t think you will have any problems when you land in Boston. (or are going to
have)
24. The baby should be due soon, next week she will have been pregnant for nine
months.
25. By the time we get home, they will have been playing football for 30 minutes.
26. In three years I am going to live in a different country. (or will live)
27. When you get off the train, I will be waiting for you by the ticket machine.
28. Are you going to take your children with you to France?
29. This time next week I will be skiing in Switzerland!
30. Now I will check my answers. (or am going to)