Определите формы и функции герундия
1. On detecting danger on the road the computer signals the driver. 2 Detecting an odject in front of a car in the dark is the purpose of the "night vision system". 3. One of the main problems of a driver on the road is keeping the speed constant and watching the cars ahead. 4. A new device for monitoring and adjusting air pressure tires has recently been developed. 5. Before starting a car one must examine it processes. 7. Alexander Bell's being a teacher of deaf people influenced his interest in sound and its transmission. 8. Samuel Morse's hobby was experimenting with electricity. 9. Driving a truck in the city is difficult.

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