1、Unit 3 ComputersPeriod 3 Grammar 教学设计AimsTo learn to useThe Present Perfect Passive Voice To discover useful words and expression4To discover useful structuresProcedures I. Warming up by reading to the tapeTo begin with, turn to page 18, listening to and reading to the recording of the text WHO AM I
2、? Attention goes to the pauses and intonation, as well as the pronunciation of the reader.II. Discovering useful words and expressionsIn pairs do the exercises 1, 2 and 3 on pages 19 and 20. You must finish them in 10 minutes.III. Learning about grammar1. Passive VoiceOverviewTense or ModelPassive S
3、entenceSimple PresentThe TOEFL exam is given every six months.Simple pastThe TOEFL exam was given last month.Simple FutureThe TOEFL exam this year will be given on October15.Present ContinuousThe TOEFL exam is being given every year.Present perfectThe TOEFL exam has been given every year since 1950.
4、Past perfectThe TOEFL exam had been given before the Vietnam War occurred.Simple ModalThe TOEFL exam should be given to every Foreign student.Past ModalThe TOEFL exam should have been given to all to enter US colleges.2. The Present Perfect Passive VoiceThe structure of The Present Perfect Passive V
5、oice is: have/ has beenedIV. Reading aloud and discoveringNow go back to page 18 to read aloud and discover in the text examples of The Present Perfect Passive Voice. As the years have gone by, I have been made smaller and smaller.Since then, my family and I have been used by billions of people to d
6、eal with information with each other around the world by the Internet.V. Discovering useful structureWe shall do grammar exercises 1, 2 and 3 on page 20. VI. Closing down by doing a quizCorrect the mistakes in these passive voice sentencesExample: The house was build in 1880. (correct = The house wa
7、s built in 1880.)1. 3000 employees were laying off. 2. A story will made up. 3. An idea was putted forward for discussion. 4. Has the book been give back to you yet?5. My bank loan will be payed off in five years time. 6. Nothing can be hold against me. 7. Our allies will be lend support. 8. She has
8、 never heard of. 9. She was being knocked down by a bus. 10. She was letted off with a fine. 11. The candle was blow out by the draught. 12. The criminal were locked up. 13. The flood water was be kept back by barriers. 14. The inconvenience will made up for by this money. 15. The keys must have been being left behind. 16. The old cinema is being pull down. 17. The protesters being held back by the police. 18. The road was blocking off. 19. Thirty more people were laid off last week. 20. Your jacket can be hanged up over there.