Question

XVII. Put the verbs in brackets in the proper tense:
1. The patient (to be) under medical care before the surgeon began the operation. 2. They (to isolate) the patient with the grippe from the others before they were infected. 3. My experiments not yet (to prove) anything since I started them. 4. We (to complete) our observations on the changes in the blood erythrocytes by tomorrow.​

Answer 1

Ответ:

1. The patient was under medical care before the surgeon began the operation.

2. They isolated the patient with the grippe from the others before they were infected.

3. My experiments have not yet proven anything since I started them.

4. We will have completed our observations on the changes in the blood erythrocytes by tomorrow.