2019-2020年人教版高中英語必修二Unit 3《Computers》（Grammar）學案.doc

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2019-2020年人教版高中英語必修二Unit 3puters（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)?！緦W習重點，難點】 現(xiàn)在完成時的被動語態(tài)的構(gòu)成及應用?！菊n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 puter. 2.We have found many problems with our new puter. 3.They have built a PC the way we wanted. 4.They have just joined our puter to the Internet. 5.We have used the puter every day since we bought it. 6.We have written a lot of e-mails on the puter in the past year. Step3.【當堂達標】1.You can see the house_ for years.isnt painted B. hasnt painted C. hasnt been painted D. hadnt been painted2.-How long_ at this jobs? -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】做報紙B3版語法練習。1CBBDB學習指導背誦些好的句子辨別主動和被動語態(tài)運用所學語法