Правило смены залога

0 I II III IV Изменение формы глагола Active Passive

XVI. В следующих предложениях замените Active Voice на Passive Voice, упустив упоминание о том, кто выполняет действие:

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например: (To perform tasks) (they) (must control) (the mechanical structure of a robot).

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(To perform tasks) (the mechanical structure of a robot) (must be controlled) (by them)

1. We can use this information to improve the control algorithms of a robot. 2. The engineers may describe the field of robotics as the study, design and use of robot systems for manufacturing . 3. He may use electronic components singly or in more complex groups as integrated circuits. 4. We can describe a ‘circuit’ as anything from a single component, to systems containing thousands of components. 5. You can exchange messages very quickly. 6. We can place letters, numbers, even computer instructions into the computer’s memory. 7. I must programme the computer to do this operation with only a few simple instructions.8. We can find the built-in computers in many devices from MP3 players to aircrafts and from toys to industrial robots.

XVII. В следующих предложениях замените Passive Voice на Active Voice. И если не сказано кем выполняется действие, то в качестве подлежащего возьмите кого угодно, хотя бы и себя:

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Например: (Software) (can be described) (as a collection of routines and rules).

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( I ) (can describe) (software) (as a collection of routines and rules).

1. Two voltage levels must be used by most digital circuits. 2. The International Space station can be seen from the Earth with the naked eye. 3. Science may be classified as experimental science and applied science. 4. These computers may be used for intense calculations. 5. The computer’s magnetic core memory can be replaced by semiconductor memory. 6. Electronic components must be categorized as active (e.g. transistors and thyristors) or passive (e.g. resistors and capacitors). 7. An experiment can be made to help us solve practical problems. 8. Most analog electronic devices, such as radio receivers, must be constructed from combinations of a few types of basic circuits.