【课件】人教版(2019)选择性必修2 Unit3 Discover Useful Structures-课件

Unit3FoodandCulture

DiscoverUsefulStructuresLearningobjectivesInthisclass,youwillrecognizeandsummarizethemeaning,formanduseofthepastperfecttenseandthepastperfectpassivevoice(过去完成时及其被动语态);usethepastperfecttenseandthepastperfectpassivevoicetodescribeasituationthathappenedinthepast.ObservesentencesLookatthetwopairsofsentencesandpayattentiontothemeaningandtheformofverbsinthesentences.ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.Thechef

hadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.They

hadfinishedtheirdinnerbythetimeSamjoinedthem.这位主厨在他的新烹饪书出版之前，就已经创办了一家从农场到餐桌的餐馆。等到Sam加入他们的时候，他们已经吃完晚餐了。ComparethemeaningAfarm-to-tablerestaurant

hadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.一家从农场到餐桌的餐馆在这位主厨的新烹饪书出版之前就已经被创办了。他们的晚餐在Sam加入他们之前就已经被吃完了。ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.activepassive“施动者已经做了……”“受动者已经被……了”ComparethemeaningComparetheformThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Afarm-to-tablerestauranthadbeensetup

bythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.ComparetheformThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.ThePastPerfectTense（过去完成时）had+v-edFindtheformAfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.ThePastPerfectPassiveVoice（过去完成时的被动语态）hadbeen+v-edSummarize时态结构过去完成时主动：haddone被动：hadbeendoneSummarize时态结构意义过去完成时主动：haddone施动者已经做了……被动：hadbeendone受动者已经被……了Thinkandanswer1.主句和从句中的谓语动词分别用了什么时态和语态？2.主句和从句中谓语动词的形式各是怎样的？3.主句和从句中谓语动词所表示的动作哪个先发生？哪个后发生？Thechefhadsetupafarm-to-tablerestaurant

before

hisnewcookbookwaspublished.这位主厨在他的新烹饪书出版之前，就已经创办了一家从农场到餐桌的餐馆。...beforehisnewcookbookwaspublished.Thechefhadsetupafarm-to-tablerestaurant...NowPast时态：过去完成时结构：haddone语态：主动动作：先发生（在过去）时态：一般过去时结构：was/weredone语态：被动动作：后发生（在过去）Theirdinnerhadbeenfinished

bythetime

Samjoinedthem.时态：过去完成时结构：hadbeendone语态：被动动作：先发生（在过去）时态：一般过去时结构：did语态：主动动作：后发生（在过去）Summarize时态用法一般过去时动作发生在过去的某个时间（过去）过去完成时动作发生在过去的某个时间/动作之前（过去的过去）Summarize时态结构用法一般过去时主动：did/was/were动作发生在过去的某个时间被动：was/weredone过去完成时主动：haddone动作发生在过去的某个时间/动作之前被动：hadbeendoneFindmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.PriortocomingtoChina,myonlyexperiencewithChinesecookingwasinAmerica,withChinesefoodthat

hadbeenchangedtosuitAmericantastes.Findmore来中国之前，我只在美国接触过中式烹饪，那里的中国食物已被改变，以适应美国人的口味。Findmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.WhenmyfamilyandIhadjustarrivedinChina,wewentlookingforagoodplacetoeatinBeijing.Findmore我与家人刚刚抵达中国，便在北京找了一个好地方吃饭。ASichuanrestauranthadbeenrecommendedtousbyafriend,andfinally,we

foundit.Tired,hungry,andnotknowingawordofChinese,wehadnoideahowtoorder,sothechefjustbeganfilling

ourtablewiththebestfoodwehadevereaten.Findmoresentencesusingthepastperfecttenseorthepastperfectpassivevoicefromthisunitandunderlinecluewordsthatindicatethetimeandorderoftheactions.FindmoreCompletethetwoconversationswiththecorrectformsofthewordsintheboxusingthepastperfecttenseorthepastperfectpassivevoice.PracticeIHadtastedhadbeentoldarrivedhadfinished（苏格兰）羊杂碎肚hadjusteatenhaggis!haggisHadbeencancelledhadgotThePastPerfectTenseSummarize肯定式had+v-ed否定式hadnot+v-ed疑问式had+主语+v-edThePastPerfectPassiveVoiceSummarize肯定式hadbeen+v-ed否定式hadnotbeen+v-ed疑问式had+主语+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