2. Two hours ago, a patient with acute pains (to bring) to the reception ward.
3. Eye drops may (to use) for the prevention of ocular infection.
4. The patients (to examine) by a doctor in charge now.
5. If the patient has TB bacilli in the sputum, he (to stay) in the hospital for six or eight months.
6. The patient cannot be discharged from the hospital because he not (to recover) yet.
7. When we came, the solution (to boil) in the water-heater system.
8. After the injection, given an hour ago, the patient (to feel) much better.