1. what are you going to do
i'll be watching
2. are you thinking
think
3. was
have prefered
eat
4. were doing
rang
answered
heard
5. am not driving
will go
6. was working
goes
prepares (может, he is preparing; не уверена)
7. will you fly
go
will fly
8. were talking
met
were
9. can take
am going
10. doesn't make
did
has learnt
11. were walking
turned
smiled
told
asked
12. calls
will be