9. I (will return) you the book as soon as I (finish) it.
10. Call me at any time in case you ( have) any problems.
11. She promises that when we (sees) him working we (shall be) surprised.
12. Everything (will be) ready before Frank (comes).
13. I doubt if he (will catch) the train if he (leaves) so late.
14. I will try to find out when they will publish our book.
15. In case he is late he (will call) us.