С2 put the verbs into the past and future indefinite(active or passive). i the surgeon(fo use) artificial joints. 2. some operations (to perform) on the open heart yesterday. 3 this textbook (to be) experimental. 4 this book (to read) with great interest by all the students. 5. new faculties (to organize) last year. 6. will the patient (to send) to the hospital? 7. yesterday i (to ready) a medical article. 8 we (to see) the doctor last week.