1.We shall let you know about our plans when … We are not sure if our plans… The problem is when … 2. I wonder when the committee …. I think that if all the members of the committee… 3. We were sure he would get used to the place when… . We wondered if his new surroundings … 4. She will a teacher of English when… . I hope that if … 5. They decided that when their son… . They wondered if he … 6. I’ll be very much obliged to you if … . The question is if… . 7. It is not known as jet when… and if … 8. He said he would take part in the discussion of the book if … . 9. The man inquired if… and when … . 10. The chairman stated that if… . 11. Was it agreed when … . If … we can safely fix t6he day of our departure. 12. Ring me up when … and say if … . 13. When … has not been announced jet. If … we shall be at the airport to meet her.