Put the following sentences in a) Past Indefinite Passive; b) Future
Indefinite Passive. Add the necessary adverbial modifiers.
1. The engineers are given interesting problems for solving. 2. Automatic
tools are used by the operator. З. He is allowed to use a computer. 4. Metals are
flowed out into special containers. 5. The experiments with new devices are
carried out. 6. Metal is processed in various ways. 7. Any new design of a solar
power station is discussed. 8. The problem of computer development is
considered by the scientists. 9. The efficiency of this device is increased. 10.
The particles of nuclei are studied.