Put in the proper form of the given verbs:
1. Some new methods of treatment … (to be discussed, to be discussing) in this book.
2. The patient …(to be felt, to be feeling) sharp pain in his right extremity.
3. This scientific work … (to be completed, to be completing) two months ago.
4. This substance … (to be obtained, to be obtaining) next week.
5. The students …(to be carried out, to be carrying out) the experiment.
6. The bones …(to be connected, to be connecting) by the joints.
7. We … (to be determined, to be determining) the blood group tomorrow during the lesson of surgery