山東省泰安市肥城市第三中學高中英語Unit 3《Computers》Grammar學案 新人教版必修2
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111 山東省泰安市肥城市第三中學高一英語人教版必修2《Unit 3 Computers》Grammar學案 【 學習目標】 在本節(jié)課結(jié)束時，學生能夠了解并掌握現(xiàn)在完成時的被動語態(tài)。 【學習重點，難點】 現(xiàn)在完成時的被動語態(tài)的構(gòu)成及應用。 【課型】Grammar 【回顧復習】 【新知識學習】 Step1、Leading-in(情景導入)： 分析句子是主動語態(tài)還是被動語態(tài)？ 1.The old man has been dead for two years. 2.They have done the job. 3.The house has been built for 3 years 歸納總結(jié)：現(xiàn)在完成時的被動語態(tài)的構(gòu)成：______________其否定結(jié)構(gòu)為：____ Step2.Grammar: .將下面句子改為被動語態(tài)： 1.We have bought a new personal computer. 2.We have found many problems with our new computer. 3.They have built a PC the way we wanted. 4.They have just joined our computer to the Internet. 5.We have used the computer every day since we bought it. 6.We have written a lot of e-mails on the computer in the past year. Step3.【當堂達標】 1.You can see the house_____ for years. isn’t painted B. hasn’t painted C. hasn’t been painted D. hadn’t been painted 2.---How long_____ at this jobs? ---Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed 3.Great changes__ in the city, and a lot of factories__. A. have been taken place; have been set up B. have taken place; have been set up C. have taken place; have set up D. were taken place; were set up Step4.【反思提升】 Summarizing 【Homework】 111
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