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1
1) was flowing, was 2) had 3) shall 4) checks 5) are
2
1) When does the doctor examine his patients?
2) What is the weather like?
3) Does the injured person complain of thee pain in his leg?
4) Who follows the prescriptions of the doctor?
5) What are some patients administered?
3
1) Operations are usually performed by the surgeon in the morning
2) The patients were examined by their physician yesterday morning
3) Latin was studied by us at the Medical School
4) Our textbooks were returned to us by the teacher
5) Many experiments are carried out by our students