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The passive voice. Chapter. 5. 11002015 김보경 11002100 김현희. contents. 01. The Perfect tenses 02. The Continuous Tenses 03. Modal Auxiliaries 04. Focus on testing. 01. The Perfect Tenses. Present perfect. p. 162. Active have/has p.p
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The passive voice Chapter. 5 11002015 김보경 11002100 김현희
contents 01. The Perfect tenses 02. The Continuous Tenses 03. Modal Auxiliaries 04. Focus on testing
Present perfect p. 162 Activehave/has p.p - New technology has revolutionized the communications industry. Passivehave/has been p.p - The communications industry has been revolutionized by new technology.
Past perfect p. 163 Activehad p.p - Before the 1950s, researchershad not yet developed high-quality audio and video equipment. Passivehad been p.p - Before the 1950s, high-quality audio and video equipmenthad not yet been developed.
Exercise. 3 p. 164 • In the past forty years, researchers have revolutionized audio and video technology. • By the late 1980s, scientists had developed compact discs and lightweight camcorders. In the past forty years, audio and video technology have been revolutionized by researchers. By the late 1980s, compact discs and lightweight camcorders had been developed by scientists.
Present continuous p. 166 Activebe + ing Many cities are using computers to help regulate traffic. Passivebe being p.p Computersare being used in many cities to help regulate traffic.
Past continuous p. 167 Activewas/were ing Ten years ago, citieswere using traffic officers to regulate traffic. Passivewas being p.p Ten years ago, trafficwas being regulated by traffic officers.
Exercise. 4 p. 168 • By 1929, American automakers were producingapproximately 5 million cars a year. 2. By the 1970s, competition from Japan was threatening the U.S auto industry. approximately 5 million cars a year >> By 1929, were being produced by American automakers. was being threatened the U.S auto industry >> By the 1970s, by competition from Japan.
3. People are also building new-transport systems. 4. These days, automakers are findingways to make automobile engines more fuel-efficient. >> New transport systems are also being built by people. >> These days, ways to make automobile engines more fuel-efficient are being found by automakers.
The passive voice with Modal Auxiliaries p. 171 1) can Active Today wecan use personal computer to write letters. Passive Today computerscan be used to write personal letters.
2) may Active Writersmay use computers to help them do research. Passive Computersmay be used by writers to help them do research.
3) might Active A doctormight use a computer to get the latest information about a drug. Passive A computermight be used by a doctor to get the latest information about a drug.
Ability • Ex) I can play the piano Can • Request • Ex) Can you do me a favor? • Suggestion, Permission • Ex) Can I get you some candy? - Perhaps Ex) He may know the truth May - Permission Ex) You may use my car - Hopes Ex) May you live long - Perhaps Ex) He might know the truth Might - Politer expression than may Ex) Might I ask your name?
Exercise. 1 p. 172 1. We candefinea robot as an “intelligent” machine. 2. Nowadays, people can design robots to do many jobs that would be dangerous or boring for humans. >> A robot can be defined as an “intelligent" machine. >>Nowadays, robot can be designed by people to do many jobs that would be dangerous or boring for humans.
Exercise. 2 p. 173 • Personal robots of the future will be more sophisticated. They ( ) as complete entertainment centers, with the ability to sing, dance, even tell jokes! • Moreover, all the electronic equipment in the house-television, radio, phone, computer, and so on- ( ) by these robot. • Imagine: Someday, our dinners ( ), our dishes ( ), our laundry ( ), and our cars ( ) all by our own personal robots! will be designed will be regulated may be cooked may be washed may be folded may be repaired
04. Focus on testing
Focus on testing p. 177 1. Nowadays the majority of overseas telephone calls ____ by satellite. a. transmit b. transmitting d. are transmitting 2. Their house _____ three times since they bought it twenty years ago. b. had been redecorated c. has been redecorating d. has redecorated c. are transmitted a. has been redecorated
3. Before turning on the switch, make sure the machine ______. a. plugs in c. has plugged in d. be plugged in b. is plugged in