1. finish

2.will have begun

3.is going to rain

4.have met

5.will be doing

6.will see

7.will get

8.does..arrive

9.will have spent

10 wiil pay/am going to

11. will tell

12.learns

13.wii be camping

14.has bought

15.will..work/are you going to work

16.will help

17.rings

18.Will..use

19. Are..watching

20.will have arrived