Complete the sentences with the correct passive form of the verbs in brackets.
1.In studies, small amounts of stress (find) to improve brain function.
2.Usually, chronic stress (treat) with counselling and sometimes medication.
3.More effective ways to treat stress (discover) in the future.
4.Stress (present) as being a wholly negative thing by the media.
5.The participants (not/impress) by the presentation he gave.
6.Adrenaline and cortisol (produce) by glands in the body.

Complete the sentences with the correct passive form of the verbs in brackets.

1. In studies, small amounts of stress (have been found) to improve brain function.

2. Usually, chronic stress (are treated) with counselling and sometimes medication.

3. More effective ways to treat stress (will be discovered) in the future.

4. Stress (is presented) as being a wholly negative thing by the media.

5. The participants (were not impressed) by the presentation he gave.

6. Adrenaline and cortisol (are produced) by glands in the body.