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