Unit+3+Food+and+Culture+Discover+Useful+Structures+课件【知识精讲精研】高中英语人教版（2019）选择性必修第二册

Unit3Period2DiscoverUsefulStructures新课导入Whatisthedifferencebetweenpresentperfecttenseandpastperfecttense?1.Theconcerthasstarted.Wehavetolookforourseatsinthedark.2.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.1.能学习并掌握过去完成时的主动语态与被动语态的用法；2.能在语境中正确理解和使用过去完成时的主动语态和被动语态。课堂学习Lookatthetwopairsofsentences,payingattentiontothemeaninganduseofthepastperfecttenseandthepastperfectpassivevoice.11.Thechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.Anewfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.2.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.Comparethemeaning

Thechef

hadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.Anewfarm-to-tablerestaurant

hadbeensetupbythechefbeforehisnewcookbookwaspublished.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。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。

They

hadfinished

theirdinnerbythetimeSamjoinedthem.

Theirdinner

hadbeenfinished

bythetimeSamjoinedthem.等到Sam加入他们的时候，他们已经吃完晚餐了。他们的晚餐在Sam加入他们之前就已经被吃完了。activepassive“施动者已经做了……”“受动者已经被……了”ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Anewfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.ComparetheformThechef

hadsetup

afarm-to-tablerestaurantbeforehisnewcookbookwaspublished.They

hadfinished

theirdinnerbythetimeSamjoinedthem.ThePastPerfectTense（过去完成时）had+V-edAnewfarm-to-tablerestaurant

hadbeensetup

bythechefbeforehisnewcookbookwaspublished.Theirdinner

hadbeenfinished

bythetimeSamjoinedthem.ThePastPerfectPassiveVoice（过去完成时的被动语态）hadbeen+V-ed过去完成时意义：过去完成时表示在过去某一时间或事件之前完成的动作或状态（过去的过去）。时间分析pastnowpastinthepast基本结构：had+过去分词被动结构：had+been+过去分词肯定句：主语+had+过去分词Eg:Janehadjustleftwhenyourang.否定句：主语+had+not+过去分词Eg:Thecountryhadnotyetrecoveredfromtheeffectsofthewar.一般疑问句：Had+主语+过去分词…？Eg:Hadhechangedalot?理解“过去的过去”先发生的动作用过去完成时，后发生的动作用一般过去时。Eg:Thefilmhadbegunbeforewegottothecinema.我到达电影院之前电影已经开始了。firstsecond辨析一般过去时与过去完成时

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：did语态：主动动作：后发生（在过去）Eg:Thefilmhadbegunbeforewegottothecinema.我到达电影院之前电影已经开始了。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：hadbeendoneSummary和过去完成时搭配的时间状语1.by+过去的时间点Eg:Ihadfinishedreadingthenovelbynineo’clocklastnight.2.by+theendof+过去的时间点Eg:WehadlearnedovertwothousandEnglishwordsbytheendoflastterm.3.before+过去的时间点Eg:TheyhadplantedsixhundredtreesbeforelastWednesday.固定搭配1.用在“Itwasthe+序数词+time(that)...””或者Itwasthe+形容词最高级+名词+(that)...”句型中(从句用过去完成时)。Eg:Itwasthefirsttimethathehadeverspoketomeinsuchatune.2.hardly…when…;nosooner…than…（主句中用haddone）Eg:Hehad

nosoonerleft

theroomthantheybegantotalkabouthim.3.用于wish后的宾语从句中，表示对过去未做成的事情的某种感叹或愿望。Eg:IwishIhadbeenthereatthattime.那时候我要在那儿就好了。（事实上我不在那儿。）IwishIhadtoldhimaboutit.我要是告诉他那事就好了。（事实上我没告诉他。）4.过去完成时常用在引述动词一般过去时后的间接引语中。Eg:Theysaidthattheyhadplantedthetreesonthehillside.5.

think,want,hope,plan,intend,mean和suppose等词的过去完成时可以用来表示本来要做而没做或无法做的事，或没有实现的希望或意图。Eg:Ihadintendedtobethereontime.我本打算准时去的。6.用在"Itwas+一段时间+since从句"句型中(从句用过去完成时)

Eg:ItwasatleastthreemonthssinceIhadleftBeijing.我离开北京至少有三个月了。Completethetwoconversationswiththecorrectformsofthewordsbelowusingthepastperfecttenseorthepastperfectpassivevoice.2arrivecanceleatfinishgettastetell1

Carol:____youever_____anyScottishfoodbeforeyourtriptoStAndrewslastyear?Paul:No,notreally.ButI____________abouthaggismanytimesbeforewewentthere.Carol:Oh...Didyoutryit?

Paul:Oh,yes!Youknowwhat?We_______lateforsupperthatday,andsowejustatewhateverwasleftintheuniversitycanteen.We

__________ourmealbeforewelearntwe____just_____,haggis!Carol:Mygoodness!

Paul:Well,itwasnotbad.Ihavetosay...Hadtastedhadbeentoldarrivedhadfinishedhadeaten2

Carol:WhenIgottotheteahouseyesterday,Ifoundnobodythere.______it______________?

Paul:Oh,I'msosorrymythatforgottotellyou!Theget-togetherwascancelledyesterdaymorningbecauseSally,thehostess,_________intoacaraccident.

Carol:Oh,I'msorrytohearthat.HopeSallyrecoverssoon!HadbeencancelledhadgotarrivecanceleatfinishgettastetellWorkinpairs.Chooseoneofthesethreesituations,andmakeasmanysentencesasyoucanusingthepastperfecttenseandthepastperfectpassivevoice.3EXAMPLE1WhenIsetoffforthecafeteria...2Beforehewentintothechocolatefactory...3BythetimeIarrivedatthe"insect"party......Ihadjustfinishedmyhomework....Ihadorderedataxionline....thewindowshadbeenclosed....thelighthadbeenswitchedoff...Ihaddrunktoomuchsodapop....Ihadeatentoomuchcake....wehadbeengivenmanysamples....Ihadbeenmadeverysick....theinsectshadallescaped....theinsectshadscatteredeverywhereintheroom....theinsectshadallbeencollectedinabottle....theinsectshadbeenfriedupforeating.Sample

CoversationA:So,howdidtheinsectpartygo?B:Oh,itwashorrible!A:Why?Whathappened?B:Well,bythetimeIgotthere,theinsectshadalle