1. Determine the tense of each sentence and rewrite them in the passive using the diagram, as in the examples. Then practice saying them.
1. Engineers use the knowledge of mathematics, science and logic to find suitable
solutions to a problem.
2. The chemical industry has shown rapid growth for more than twenty years.
3. The ecologists from Australian radiation laboratory identified plutonium in basically
three forms.
4. My sister is looking for a job as an environmental engineer in the UK.
5. They may leave their lab after having finished their experiment.
6. He will ask her to become a director of the institute.
7. After graduating from the university he will design underwater machines and
offshore drilling platforms.
8. We didn’t know at that time that the electrical engineers were analyzing machines
and devices.
9. A Dutch scientist first identified the virus.
10. Thomas Edison invented the light bulb.
11. The biomedical engineers had already tested equipment and materials used in
treating medical conditions by April.
12. The Head Office makes all decisions in this company.
13. They will have offered Bill the job of department manager by January.
14. Although his job involves many risks, he renewed his contract.
15. The scientific centre tests new building materials.
16. The scientific centre tested new building materials.