1. Listen! They
are shouting at each other again. (Present Cont, active)2. The sick child
was sleeping when the doctor came. (Past Cont, active)3. What work
will they
be doing the whole day tomorrow? (Future Cont, active)4. The working of metal in some form
has engaged man’s efforts (Present Perfect, active)5. When we came she
had made some coffee. (Past Perfect, active)6. They
will have completed the new bridge by the end of the year. (Future Perfect, active)7. He
was arrested by the police for speeding. (Past Simple, passive)8. Composite materials
have been produced by the hot compaction methods. (Present Perfect, passive)9. Although all metals
can be produced in the powder form, only a few find wideapplications in the manufacture of pressed – metal parts. (Present Simple, passive)10. These computers
are being made in Korea now. (Present Cont, passive)1. You
should think over this suggestion.2. George
had to pay a parking fine.3. You
can investigate the effects of these rays on various materials.4. The head engineer
was to make a report yesterday.5. Very soon they will
be able to test a new engine.6. We
couldn’t repair the car ourselves. We
were to take it to the garage.1. I want to
have this problem
solved by the computer.2. Component parts of engines, machines, devices may
be produced by precision –casting techniques.3. Yesterday we heard the operator
explaining to a group of students the principles ofoperation of the input section of a computer.4.
Being of a nervous temperament she trembled at her enterprise.5.
When dressed, I sat a long time by the window, looking out over the silent grounds andsilvered fields.