山东省泰安市肥城市第三中学高一英语人教版必修 2《Unit 3 Computers》Grammar 学案【 学习目标】在本节课结束时，学生能够了解并掌握现在完成时的被动语态。【学习重点，难点】 现在完成时的被动语态的构成及应用。【课型】Grammar【回顾复习】【新知识学习】Step1、Leading-in(情景导入)：分析句子是主动语态还是被动语态？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归纳总结：现在完成时的被动语态的构成：______________其否定结构为：____Step2.Grammar:.将下面句子改为被动语态：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.【当堂达标】1.You can see the house_____ for years.isn’t painted B. hasn’t painted C. hasn’t been painted D. hadn’t been painted2.---How long_____ at this jobs?1 ---Since 1990.A. were you employed B. have you been employedC. had you been employed D. will you be employed3.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 upC. have taken place; have set up D. were taken place; were set upStep4.【反思提升】 Summarizing【Homework】做报纸 B3 版语法练习。1CBBDB学习指导背诵些好的句子辨别主动和被动语态2运用所学语法3
