Question

Поставьте глагол в правильную форму, обращая внимание на залог. 1. The animals (to examine) by the students every day. 2. The students (to examine) the animals every day. 3. This cow (to treat) by our veterinarian last week. 4. Our veterinarian (to treat) this cow last week. 5. Penicillin injections (to use) by the veterinarian tomorrow.6. The veterinarian (to use) penicillin injections tomorrow. 7. The students (to treat) sick animals next year. 8. Sick; animals (to treat) by the students next year. 9. Infectious diseases (to cause) by microbes. 10. Microbes (to cause) infectious diseases.11. That treatment (to use) by our veterinarian last week. 12. Our veterinarian (to use) that treatment last week. 13. The animals (to operate) by our veterinarian last week. 14. Our veterinarian (to operate) the animals yesterday. 15. This disease (to cause) by a virus. 16. Viruses (to cause) many diseases. 17. The sick calves (to isolate) by the dairymen tomorrow. 18. The dairymen (to isolate) the sick calves to-

Answer 1

Are examined
examine
was treated
treated
will be used
will use
will treat
will be treated
are caused
cause
was used
used
were operated
operated
was caused
cause
will be isolated
isolate

vrode tak

Answer 2

1 are examined; 2 examine
3 was treated 4 treated
5 will be used          6 are going to use/ will use
7 are going to treat     8 will be treated
9 are caused 10 causes
11 was used 12 used
13 were operated 14operated 
15was cause 16 causes 
17 will be isolated 18 will isolate

Answer 3

1. The animals are examined by the students every day. 2. The students examine the animals every day. 3. This cow was treated by our veterinarian last week. 4. Our veterinarian treated this cow last week. 5. Penicillin injections will be used by the veterinarian tomorrow. 6. The veterinarian will use penicillin injections tomorrow. 7. The students will treat sick animals next year. 8. Sick animals will be treated by the students next year. 9. Infectious diseases are caused by microbes. 10. Microbes cause infectious diseases. 11. That treatment was used by our veterinarian last week. 12. Our veterinarian used that treatment last week. 13. The animals were operated on by our veterinarian last week. 14. Our veterinarian operated on the animals yesterday. 15. This disease is caused by a virus. 16. Viruses cause many diseases. 17. The sick calves will be isolated by the dairymen tomorrow. 18. The dairymen will isolate the sick calves tomorrow.