The passive voice 11002015 김보경 11002100 김현희 Chapter. 5 I will start the presentation. Our subject of presentation is the passive voice. 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 Active have/has p.p Passive have/has been p.p p. 162 - New technology has revolutionized the communications industry. Passive have/has been p.p - The communications industry has been revolutionized by new technology.

Past perfect Active had p.p Passive had been p.p p. 163 - Before the 1950s, researchers had not yet developed high-quality audio and video equipment. Passive had been p.p - Before the 1950s, high-quality audio and video equipment had 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.

02. The Continuous Tense

Present continuous Active be + ing Passive be being p.p p. 166 Many cities are using computers to help regulate traffic. Passive be being p.p Computers are being used in many cities to help regulate traffic.

Past continuous Active was/were ing Passive was being p.p p. 167 Ten years ago, cities were using traffic officers to regulate traffic. Passive was being p.p Ten years ago, traffic was being regulated by traffic officers.

Exercise. 4 p. 168 By 1929, American automakers were producing approximately 5 million cars a year. 2. By the 1970s, competition from Japan was threatening the U.S auto industry. >> By 1929, approximately 5 million cars a year were being produced by American automakers. >> By the 1970s, the U.S auto industry was being threatened by competition from Japan.

3. People are also building new-transport systems. 4 3. People are also building new-transport systems. 4. These days, automakers are finding ways 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.

03. Modal Auxiliaries

The passive voice with Modal Auxiliaries 1) can Active Today we can use personal computer to write letters. Passive Today computers can be used to write personal letters.

2) may Active Writers may use computers to help them do research. Passive Computers may be used by writers to help them do research.

3) might Active A doctor might use a computer to get the latest information about a drug. Passive A computer might be used by a doctor to get the latest information about a drug.

Can May Might Ability Ex) I can play the piano 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 can define a 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 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

Thank you for listening