1. Frequencies ranging from 300 to 3000 kilohertz are referred to as medium radio frequencies.
а) Participle I в функции определения
2. The alternating (а) Participle I в функции определения )current passes through a winding on a permanent magnet, causing (б) Participle I в функции обстоятельства) the magnetic field.
3. The seven digits are transmitted to the exchange by appropriate dialing.
г) герундий
4. At the moment we are using a modem linked up direct to our computer and the telephone line.
в) Participle I в составе временной группы Continuous
1. Frequencies ranging from 300 to 3000 kilohertz are referred to as medium radio frequencies.
а) Participle I в функции определения
2. The alternating (а) Participle I в функции определения )current passes through a winding on a permanent magnet, causing (б) Participle I в функции обстоятельства) the magnetic field.
3. The seven digits are transmitted to the exchange by appropriate dialing.
г) герундий
4. At the moment we are using a modem linked up direct to our computer and the telephone line.
в) Participle I в составе временной группы Continuous
1. passive/Active
1) Active
2) Active
3) Passive
4) Passive
2. Choose the correct preposition
1. by
2. by
3. with
3. Put the verb in brackets into the correct form of the Present Simple Passive
1. is speaken
2. are carried
3. are delivered
4. Put the verb in brackets into the correct form of the Past Simple Passive.
1. was born
2. were damaged
3. was polluted
4. was written
5. Put the verb in brackets into the correct form of the Future Simple Passive.
1. will be repaired
2. will be seen
3. will be photographed
4. will be printed
Объяснение: