人教版（2023）选择性必修 第二册Unit3 Food and Culture Discover useful structures课件(共19张PPT)

第第页人教版（2023）选择性必修第二册Unit3FoodandCultureDiscoverusefulstructures课件(共19张PPT)(共19张PPT)

Unit3FoodandCulture

DiscoverUsefulStructures

人教版(2023)选择性必修第二册

Learningobjectives

Inthislesson,youareexpectedto:

1.identifyandanalyzetheusageofthepastperfecttenseandthepastperfectpassivevoice.

2.mastertheusageofthepastperfecttenseandthepastperfectpassivevoicethroughself-studyandpractice.

3.usethepastperfecttenseandthepastperfectpassivevoicetoexpressyourideas.

Leadin

Thewindowwasbroken,andtheteacherwantedtoknowwhodidit.

T:Whathadyoudonebeforeyoulefttheclassroom

Amy:BeforeIlefttheclassroom,Ihadfinishedmyhomework.

Amy:IsawTomhadplayedbasketball.

Tom:BeforeIplayedbasketball,thewindowhadbeenbroken.

ThePastPerfectTense过去完成时

Past

Future

haddone

Present

“过去的过去”

ThePastPerfectTense

Structure：“had+过去分词”

passivevoive：“hadbeen+过去分词”

Wh-Q:What＋had＋S＋(been)done

Meaning：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作，即“过去的过去”。

1.Thechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.

2.Mostoftheguestshadleftwhenhearrivedattheparty.

3.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.

4.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.

ThePastPerfectTense

常跟by，before等介词短语或一个时间状语从句连在一起，也可以通过上下文来判断时间先后。

在hardly…when…,scarcely...when...,nosooner…than…,固定句型中，用过去完成时。

TheUsageoftheTense(1)

1.Scarcelyhadthevotesbeencounted,whenthetelephonerang.

2.NosoonerhadIwalkedoutthanIrememberedthatIforgotmyhomework.

3.Hardlyhadwesatdowntosupperwhenthephonerang.

过去完成时还可用Itwasthefirst(second...)time(that)…,Itwasthe+形容词最高级+名词+(that)...等固定句型中

TheUsageoftheTense(2)

1.Itwasthefirsttimeshe_________(leave)hermotherland.

2.Itisthefirsttime(that)I_____________(speak)inpublic.

3.This_____(be)thefirsttimeIhadseenDadsofurious(狂怒的).

4.Itistimeforus________(pack)upandleave.

hadleft

havespoken

was

topack

动词think,want,hope,mean,plan,intend等用过去完成时来表示过去未曾实现的想法，希望，打算或意图等。

TheUsageoftheTense(3)

1.Theyhadwantedtohelpbutcouldnotgetthereintime.

2.Wehadhopedtobeabletocomeandseeyou.

3.Ihadintendedtobethereontime.

4.Gretahadmeanttoseeheroffattheairport.

过去完成时常常用在told,said,knew,heard,thought等动词后的宾语从句（或间接引语）中，这时从句中的动作发生在主句的动作之前。

TheUsageoftheTense(4)

1.Hesaidthathehadknownherwell.

2.IthoughtIhadsenttheletteraweekbefore.

3.Jacktoldmehehadreadthebookbefore.

过去某一时间的动作或状态持续到过去另一时间，有时可能继续下去，常与for，since等引导的时间状语连用。

TheUsageoftheTense(5)

1.Kevinhadbeenanewspaperreporterfortwoyearsbeforehebecameabusinessman.

2.Hesaidhe____________(work)inthatfactorysince1949.

3.Ihadbeenatthebusstopfor20minuteswhenabusfinally_______(come).

came

hadworked

用于对过去的虚拟语气中

TheUsageoftheTense(6)

1.IwishIhadtoldhimaboutit.

2.HetalkedaboutRomeasifhehadbeenthere.

3.Ifonlywehadenteredcollegelastyear！

4.Iwouldratheryouhadn'tdonethat.

5.Ifithadnotbeenforyourhelpyesterday,Icouldnothavecaughtthebus.

6.Ifyouhadtakenmyadvicethen,youwouldnotbeintroublenow.

1.I___________(eat)lotsofcakessofar.

2.I_________(eat)lotsofcakestillthen.

3.Tom____________(finish)writinghisnovelbytheendoflastyear.

4.Tom____________(finish)writinghisnovel.

5.Tom________________(finish)writinghisnovelbytheendofnextyear.

6.Tom_________(finish)writinghisnovellastyear.

haveeaten

hadeaten

hadfinished

hasfinished

willhavefinished

finished

Practice1

1.Completethetwoconversationswiththecorrectformsofthewordsintheboxusingthepastperfecttenseorthepastperfectpassivevoice.(P29)

1.Carol:____________youever__________anyScottishfoodbeforeyourtriptoStAndrewslastyear

Paul:No,notreally.ButI__________________abouthaggismanytimesbeforewewentthere.

Carol:Oh...Didyoutryit

Paul:Oh,yes!YouknowwhatWe__________lateforsupperthatday,andsowejustatewhateverwasleftintheuniversitycanteen.We______________ourmealbeforewelearntwe__________just__________，haggis!

arrivecanceleatfinishgettastetell

Had

tasted

hadbeentold

arrived

hadfinished

had

eaten

羊杂碎肚

Practice2

Carol:Mygoodness!

Paul:Well,itwasnotbad.Ihavetosay...

2.Caro:WhenIgottotheteahouseyesterday,Ifoundnobodythere.__________it___________________

Paul:Oh,I'msomythatforgottotellyou!ThegettogetherwascancelledyesterdaymorningbecauseSally,thehostess,_____________intoacaraccident.

Carol:Oh,I'msorrytohearthat.HopeSallyrecoverssoon!.

Had

beencancelled

hadgot

Situation1

WhenIsetoffforthecafeteria

Situation2

Beforehewentintothechocolatefactory

Situation3

BythetimeIarrivedatthe“insect”party...

Ihadfinishedmyhomework

Ihadorderedataxi

thewindowshadbeenclosed

thelighthadbeenswitchedoff

drunk...

eaten...

givenmany...

makesick

collectedin...

friedupfor...

escaped

scattered

Workinpairsandmakeaconversationusingthesesentences.

Practice3

Onepossibleconversation

A:Sohowdidtheinsectpartygo

B:Oh,itwashorrible.

A:WhyWhathappened

B:Well,bythetimeIgotthere,theinsectshadallescapedandtheyhadscatteredeverywhereintheroom.

A:Oh,no!Sowhatdidyoudo

B:Wechase