新人教必修一系列课 B2U3 Discovering Useful Structures.pptx
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1、免费免费查查看看使使用用说说明明免费查看使用说明主讲人TheThe InternetInternet高中英语新人教高中英语新人教B2U3B2U3 DISCOVERINGDISCOVERING USEFULUSEFUL STRUCTURESSTRUCTURESLearningObjectivesBytheendofthisclass,youwillbeableto:comprehend and apply present perfect passive voice to talk about online activities through observing and summarizing
2、the uses of present perfect passive voice.understand the convenience the Internet brings to us and reflect on our online habits through reviewing the reading context and talking about an online habit survey.DiscoveringtheRulesPA RT 1HowhasourlifebeenchangedbytheInternet?Alipay has been used to pay f
3、or goods and services.Cash was exchanged for goods and services before.HowhavewebeenchangedbytheInternet?Mobile phones and telephones were used for social communication before.Social media apps have been downloaded for social communication.HowhavewebeenchangedbytheInternet?Local newspapers were subs
4、cribed to keep up with the news in the past.Any news from anywhere in the world has been updated up to the minute with a click or two.HowhavewebeenchangedbytheInternet?All kinds of malls and stores were frequently visited for shopping in the past.More than 15 billion items have been sold on T-mall i
5、n 2021.StudyingtheRulesPA RT 2Observetheredwordsandthink.Alipay has been used to pay for goods and services.Social media apps have been downloaded for social communication.Any news from anywhere in the world has been updated up to the minute with a click or two.More than 15 billion items have been s
6、old on T-mall in 2021.Q1:What tenses are these?What is the form of the tense?Q2:When do we use“has”?When do we use“have”?present perfect tensehave/has donesingular subjectplural subjectObservetheredwordsandthink.People has used Alipay to pay for goods and services.People have downloaded social media
7、 apps for social communication.People have updated any news from anywhere in the world up to the minute with a click or two.People have sold more than 15 billion items on T-mall in 2021.Alipay has been used to pay for goods and services.Social media apps have been downloaded for social communication
8、.Any news from anywhere in the world has been updated up to the minute with a click or two.More than 15 billion items have been sold on T-mall in 2021.Q1:What is the difference between the two groups of sentences?Q2:When do we use“been”?have/has done(active)vs.have/has been done(passive)in passive v
9、oice Summaryverb formhave/has+donehave/hasbeen+doneactivevoicepassivevoiceApplyingtheRulesPA RT 3Classes were mainly attended at school.Learning sites _(visit)by over 1000,000 people every day since last year.havebeenvisitedHowtoattendclasses?PastNowHowtosurftheInternet?Desktops instead of mobile ph
10、ones were used more often.The keyboard _(not use)for a long time.hasnotbeenusedPastNowHowtoread?Paper pages were read by book lovers.In the past years I _(inspire)to buy e-books instead of paper books.havebeeninspiredPastNowHowtoplantravel?Travel agencies were enquired to know more about destination
11、s and make travel plans.Hotels,tickets,and travel packages _(book)online.havebeenbookedPastNowObservethesentenceswithpresentperfectpassivevoice.How has our life been changed by the Internet?Learning sites have been visited by over 1000,000 people every day since last year.The keyboard has not been u
12、sed for a long time.In the past years I have been inspired to buy e-books instead of paper books.Hotels,tickets,and travel packages have been booked online.Sentencestructuresofthepresentperfectpassivevoice.Discuss in groups about how our life has been changed by the Internet,using present perfect pa
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