【課件】人教版(2019)選擇性必修2 Unit3 Discover Useful Structures-課件

Unit3FoodandCulture

DiscoverUsefulStructuresLearningobjectivesInthisclass,youwillrecognizeandsummarizethemeaning,formanduseofthepastperfecttenseandthepastperfectpassivevoice(過去完成時及其被動語態(tài));usethepastperfecttenseandthepastperfectpassivevoicetodescribeasituationthathappenedinthepast.ObservesentencesLookatthetwopairsofsentencesandpayattentiontothemeaningandtheformofverbsinthesentences.ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.Thechef

hadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.They

hadfinishedtheirdinnerbythetimeSamjoinedthem.這位主廚在他的新烹飪書出版之前，就已經(jīng)創(chuàng)辦了一家從農(nóng)場到餐桌的餐館。等到Sam加入他們的時候，他們已經(jīng)吃完晚餐了。ComparethemeaningAfarm-to-tablerestaurant

hadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.一家從農(nóng)場到餐桌的餐館在這位主廚的新烹飪書出版之前就已經(jīng)被創(chuàng)辦了。他們的晚餐在Sam加入他們之前就已經(jīng)被吃完了。ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.activepassive“施動者已經(jīng)做了……”“受動者已經(jīng)被……了”ComparethemeaningComparetheformThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetup

bythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.ComparetheformThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.ThePastPerfectTense（過去完成時）had+v-edFindtheformAfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.ThePastPerfectPassiveVoice（過去完成時的被動語態(tài)）hadbeen+v-edSummarize時態(tài)結(jié)構過去完成時主動：haddone被動：hadbeendoneSummarize時態(tài)結(jié)構意義過去完成時主動：haddone施動者已經(jīng)做了……被動：hadbeendone受動者已經(jīng)被……了Thinkandanswer1.主句和從句中的謂語動詞分別用了什么時態(tài)和語態(tài)？2.主句和從句中謂語動詞的形式各是怎樣的？3.主句和從句中謂語動詞所表示的動作哪個先發(fā)生？哪個后發(fā)生？Thechefhadsetupafarm-to-tablerestaurant

before

hisnewcookbookwaspublished.這位主廚在他的新烹飪書出版之前，就已經(jīng)創(chuàng)辦了一家從農(nóng)場到餐桌的餐館。...beforehisnewcookbookwaspublished.Thechefhadsetupafarm-to-tablerestaurant...NowPast時態(tài)：過去完成時結(jié)構：haddone語態(tài)：主動動作：先發(fā)生（在過去）時態(tài)：一般過去時結(jié)構：was/weredone語態(tài)：被動動作：后發(fā)生（在過去）Theirdinnerhadbeenfinished

bythetime

Samjoinedthem.時態(tài)：過去完成時結(jié)構：hadbeendone語態(tài)：被動動作：先發(fā)生（在過去）時態(tài)：一般過去時結(jié)構：did語態(tài)：主動動作：后發(fā)生（在過去）Summarize時態(tài)用法一般過去時動作發(fā)生在過去的某個時間（過去）過去完成時動作發(fā)生在過去的某個時間/動作之前（過去的過去）Summarize時態(tài)結(jié)構用法一般過去時主動：did/was/were動作發(fā)生在過去的某個時間被動：was/weredone過去完成時主動：haddone動作發(fā)生在過去的某個時間/動作之前被動：hadbeendoneFindmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.PriortocomingtoChina,myonlyexperiencewithChinesecookingwasinAmerica,withChinesefoodthat

hadbeenchangedtosuitAmericantastes.Findmore來中國之前，我只在美國接觸過中式烹飪，那里的中國食物已被改變，以適應美國人的口味。Findmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.WhenmyfamilyandIhadjustarrivedinChina,wewentlookingforagoodplacetoeatinBeijing.Findmore我與家人剛剛抵達中國，便在北京找了一個好地方吃飯。ASichuanrestauranthadbeenrecommendedtousbyafriend,andfinally,we

foundit.Tired,hungry,andnotknowingawordofChinese,wehadnoideahowtoorder,sothechefjustbeganfilling

ourtablewiththebestfoodwehadevereaten.Findmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.FindmoreCompletethetwoconversationswiththecorrectformsofthewordsintheboxusingthepastperfecttenseorthepastperfectpassivevoice.PracticeIHadtastedhadbeentoldarrivedhadfinished（蘇格蘭）羊雜碎肚hadjusteatenhaggis!haggisHadbeencancelledhadgotThePastPerfectTenseSummarize肯定式had+v-ed否定式hadnot+v-ed疑問式had+主語+v-edThePastPerfectPassiveVoiceSummarize肯定式hadbeen+v-ed否定式hadnotbeen+v-ed疑問式had+主語+been+v-edPracticeIIWorkinpairs.Readthisdialoguewithyourpeer.PracticeIIIReadthesituationsandrewritethesentencesusingthegivenwords.EXAMPLEHecouldn’ttakeouthiscard.HecalledthebankaboutthebrokenATM.(swallow)TheATMhadswallowedhiscard./HiscardhadbeenswallowedbytheATM.Workinpairs.Chooseoneofthesethreesituations,andmakeasmanysentencesasyoucanusingthepastperfecttenseandthepastperfectpassivevoice.Thenmakeaconversationusingthesesentences.

PracticeIVKeys:...Ihaddrunktoomuchsodapop....Ihadeatentoomuchcake....wehadbeengivenmanysamples....Ihadbeenmadeverysick.Keys:...theinsectshadallescaped....theinsectshadscatteredeverywhereintheroom....theinsectshadallbeencollectedinabottle....theinsectshadbeenfriedupforeating.SampleConversationA:So,howdidtheinsectpartygo?B:Oh,itwashorrible!A:Why?Whathappened?B:Well,bythetimeIgotthere,theinsectshadallescapedandtheyhadscatteredeverywhereintheroom!A:Oh,no!Sowhatdidyoudo?B:Wechasedtheinsectsdownandbeforelongtheyhadallbeencollectedinabottle.A:Thenyoucookedthem?B