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1、2022年人教版高中英語(yǔ)必修二Unit 3《Computers》（Grammar）學(xué)案 【 學(xué)習(xí)目標(biāo)】 在本節(jié)課結(jié)束時(shí)，學(xué)生能夠了解并掌握現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)。 【學(xué)習(xí)重點(diǎn)，難點(diǎn)】 現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的構(gòu)成及應(yīng)用。 【課型】Grammar 【回顧復(fù)習(xí)】 【新知識(shí)學(xué)習(xí)】 Step1、Leading-in(情景導(dǎo)入)： 分析句子是主動(dòng)語(yǔ)態(tài)還是被動(dòng)語(yǔ)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

2、 歸納總結(jié)：現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)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(dòng)語(yǔ)態(tài)： 1.We have bought a new personal puter. 2.We have found many problems with our new puter. 3.

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.

4、 6.We have written a lot of e-mails on the puter in the past year. Step3.【當(dāng)堂達(dá)標(biāo)】 1.You can see the house_____ for years. isn’t painted B. hasn’t painted C. hasn’t been painted D. hadn’t been p

5、ainted 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】 做報(bào)紙B3版語(yǔ)法練習(xí)。 1CBBDB 學(xué)習(xí)指導(dǎo) 背誦些好的 句子 辨別主動(dòng)和被動(dòng)語(yǔ)態(tài) 運(yùn)用所學(xué)語(yǔ)法