Unit+3+Food+and+Culture+Discover+Useful+Structures+課件【知識精講精研】高中英語人教版（2019）選擇性必修第二冊

Unit3Period2DiscoverUsefulStructures新課導入Whatisthedifferencebetweenpresentperfecttenseandpastperfecttense?1.Theconcerthasstarted.Wehavetolookforourseatsinthedark.2.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.1.能學習并掌握過去完成時的主動語態(tài)與被動語態(tài)的用法；2.能在語境中正確理解和使用過去完成時的主動語態(tài)和被動語態(tài)。課堂學習Lookatthetwopairsofsentences,payingattentiontothemeaninganduseofthepastperfecttenseandthepastperfectpassivevoice.11.Thechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.Anewfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.2.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.Comparethemeaning

Thechef

hadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.Anewfarm-to-tablerestaurant

hadbeensetupbythechefbeforehisnewcookbookwaspublished.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。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。

They

hadfinished

theirdinnerbythetimeSamjoinedthem.

Theirdinner

hadbeenfinished

bythetimeSamjoinedthem.等到Sam加入他們的時候，他們已經(jīng)吃完晚餐了。他們的晚餐在Sam加入他們之前就已經(jīng)被吃完了。activepassive“施動者已經(jīng)做了……”“受動者已經(jīng)被……了”ComparethemeaningThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.Anewfarm-to-tablerestauranthadbeensetupbythechefbeforehisnewcookbookwaspublished.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.ComparetheformThechef

hadsetup

afarm-to-tablerestaurantbeforehisnewcookbookwaspublished.They

hadfinished

theirdinnerbythetimeSamjoinedthem.ThePastPerfectTense（過去完成時）had+V-edAnewfarm-to-tablerestaurant

hadbeensetup

bythechefbeforehisnewcookbookwaspublished.Theirdinner

hadbeenfinished

bythetimeSamjoinedthem.ThePastPerfectPassiveVoice（過去完成時的被動語態(tài)）hadbeen+V-ed過去完成時意義：過去完成時表示在過去某一時間或事件之前完成的動作或狀態(tài)（過去的過去）。時間分析pastnowpastinthepast基本結(jié)構(gòu)：had+過去分詞被動結(jié)構(gòu)：had+been+過去分詞肯定句：主語+had+過去分詞Eg:Janehadjustleftwhenyourang.否定句：主語+had+not+過去分詞Eg:Thecountryhadnotyetrecoveredfromtheeffectsofthewar.一般疑問句：Had+主語+過去分詞…？Eg:Hadhechangedalot?理解“過去的過去”先發(fā)生的動作用過去完成時，后發(fā)生的動作用一般過去時。Eg:Thefilmhadbegunbeforewegottothecinema.我到達電影院之前電影已經(jīng)開始了。firstsecond辨析一般過去時與過去完成時

時態(tài)：過去完成時結(jié)構(gòu)：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(gòu)：did語態(tài)：主動動作：后發(fā)生（在過去）Eg:Thefilmhadbegunbeforewegottothecinema.我到達電影院之前電影已經(jīng)開始了。時態(tài)結(jié)構(gòu)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：hadbeendoneSummary和過去完成時搭配的時間狀語1.by+過去的時間點Eg:Ihadfinishedreadingthenovelbynineo’clocklastnight.2.by+theendof+過去的時間點Eg:WehadlearnedovertwothousandEnglishwordsbytheendoflastterm.3.before+過去的時間點Eg:TheyhadplantedsixhundredtreesbeforelastWednesday.固定搭配1.用在“Itwasthe+序數(shù)詞+time(that)...””或者Itwasthe+形容詞最高級+名詞+(that)...”句型中(從句用過去完成時)。Eg:Itwasthefirsttimethathehadeverspoketomeinsuchatune.2.hardly…when…;nosooner…than…（主句中用haddone）Eg:Hehad

nosoonerleft

theroomthantheybegantotalkabouthim.3.用于wish后的賓語從句中，表示對過去未做成的事情的某種感嘆或愿望。Eg:IwishIhadbeenthereatthattime.那時候我要在那兒就好了。（事實上我不在那兒。）IwishIhadtoldhimaboutit.我要是告訴他那事就好了。（事實上我沒告訴他。）4.過去完成時常用在引述動詞一般過去時后的間接引語中。Eg:Theysaidthattheyhadplantedthetreesonthehillside.5.

think,want,hope,plan,intend,mean和suppose等詞的過去完成時可以用來表示本來要做而沒做或無法做的事，或沒有實現(xiàn)的希望或意圖。Eg:Ihadintendedtobethereontime.我本打算準時去的。6.用在"Itwas+一段時間+since從句"句型中(從句用過去完成時)

Eg:ItwasatleastthreemonthssinceIhadleftBeijing.我離開北京至少有三個月了。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