Определить время. поставить предложения в отрицательном и вопросительном . his diagnosis is confirmed by x-ray. 3. the course of the disease seems mild. 4. every human needs vitamins and minerals. 5. drastic drugs are sold by prescription only. 6. they will use the new method in their research. 7. the findings of blood analysis will be made in an hour. 8. the structure of the human body was described by a.vesalius.

2. present simple. His diagnosis is not confirmed by x-ray. Is his diagnisis confirmed by x-ray?
3. present simple. The course of the disease does not seem mild. Does course of the disease seem mild?
4. present simple. Every human does not need vitamins and minerals. Does every human need vitamins and minerals? 
5. present simple (passive). Drasti drugs are not sold by prescription only. Are drastic drugs sold by prescription only?
6. future simple. They will not use the new method in their research. Will they use the new method in their research?
7. future simple (passive). The findings of blood analysis will not be made in an hour. Will the findings of blood be made in an hour? 
8. past simple (passive). The structure of the human body was not described by A.Vesalius. Was the structure of the human body described by A. Vesalius?