2023學年完整公開課版Unit3 Discover Useful Structures 公開課課件

UNIT3FOODANDCULTURE【版本：新人教冊別：選擇性必修二】DiscoverUsefulStructures目錄頁contentsTheStructureofthePastPerfectTenseⅠTheComparisonbetweenthePastPerfectTenseandthePresentPerfectTenseFiveUsagesofthePastPerfectTenseⅡHomeworkIIIⅣⅠTheStructureofthePastPerfectTense

ObserveandDiscover1.Thechefhadsetup

afarm-to-tablerestuarantbeforehisnewcookbookwaspublished.2.Theyhadfinished

theirdinnerbythetimeSamjoinedthem.3.Mostoftheguestshadleft

whenhearrivedattheparty.

4.Theirdinnerhadbeenfinished

bythetimeSamjoinedthem.1.ThePastPerfectTense過去完成時2.第4句有什么特別之處呢？被動語態(tài)ThePastPerfectTense基本結構：“had+過去分詞”被動語態(tài)：“hadbeen+過去分詞”基本含義：過去完成時表示在過去某一時刻已經(jīng)完成的動作，即“過去的過去”。PastFuturehaddone

SummarizePresent“過去的過去”FiveUsagesofthePastPerfectTenseⅡ1.When

thepolicearrived,thethief

hadrunaway.2.Before

hevolunteeredtodirectthetraffic,Tomhadlost

lotsofjobs.3.He

hadn’tfinisheditbyyesterdayevening.4.BytheendofJune,they__________(treat)over800patients.TheUsageoftheTense(1)（1）表示過去某時或某動作之前就已經(jīng)完成或結束的動作。hadtreatedcame1.Kevinhadbeenanewspaperreporter

fortwoyearsbeforehebecame

abusinessman.2.Hesaid

he____________

(work)inthatfactorysince1949.3.Ihadbeenatthebusstopfor20minuteswhenabusfinally_______(come).TheUsageoftheTense(2)（2）過去某一時間的動作或狀態(tài)持續(xù)到過去另一時間，有時可能繼續(xù)下去，常與for，since等引導的時間狀語連用。hadworked

1.Scarcelyhad

thevotes

been

counted,whenthetelephonerang.2.Nosoonerhad

Iwalked

outthanIrememberedthatIforgot

myhomework.3.Hardlyhad

wesat

downtosupperwhenthephonerang.TheUsageoftheTense(3)Whatarethemeaningsandfeaturesofthefollowingsentences?（3）常用固定句型：Hardly/Scarcely...when；Nosooner...than（剛……就……）。否定詞置于句首，需要部分倒裝。主句用過去完成時，從句用一般過去時。1.我剛到車站，火車就開了。(scarcely...when...)Ihadscarcelyreachedthestationwhenthetrainstarted./ScarcelyhadIreachedthestationwhenthetrainstarted.2.結果剛一宣布，人們就歡呼起來。(hardly...when...)Theresulthadhardlybeenannouncedwhenthecrowdapplauded./TheUsageoftheTense(3)即學即練Hardlyhadtheresultbeenannounced

whenthecrowdapplauded.

1.We

hadintended

tohaveabarbecueintheopenair,buttheweatherwasbad.2.Ihadwished

__________(become)adoctor,butIstudiedlawatcollege.3.They____________(plan)toseeusoffattheairport.TheUsageoftheTense(4)（4）常用hope,expect,suppose,think,want,wish等動詞的過去完成時表示過去未實現(xiàn)的愿望、計劃或者打算。hadplannedtobecomeTheUsageoftheTense(5)1.Itwasthefirsttimeshe_________(leave)hermotherland.2.Itisthefirsttime(that)I___________(speak)inpublic.3.This_____(be)thefirsttimeIhadseenDadsofurious

(狂怒的).4.Itistimeforus________(pack)upandleave.hadlefthavespokenwas

（5）It/This/Thatwasthefirst/second...time(+that)…

這是/那是某人第一/第二次/第……次做……此句型中，若主語中的be動詞為was,從句中的謂語則用過去完成時；若主句中的be動詞為is,從句中的謂語則用現(xiàn)在完成時。topackItishigh/abouttimethatwe______________(do)somethingtostoppollution.TheUsageoftheTense(5)

did/shoulddoItishigh/abouttimethatsbdid/shoulddosth

是該做……的時候了。(should不可省略)TheComparisonbetweenthePastPerfectTenseandthePresentPerfectTense

Ⅲ1.Tom

haseaten

hissupper.2.Tomhadeatenhissupperinthecanteenbeforehewentbackhome.1.Thefamilyhavenotfinished

breakfast.2.Thefamilywerestillattable,buttheyhadfinished

breakfast.現(xiàn)在完成時強調過去的動作對現(xiàn)在的影響；過去完成時強調動作或狀態(tài)開始于過去，也結束于過去。Trytocomparethefollowingtwosetsofsentences.CompareandDiscover1.I___________

(eat)lotsofcakessofar.2.I_________(eat)lotsofcakestillthen.3.Tom____________

(finish)writinghisnovelbytheendoflastyear.4.Tom__________

(finish)writinghisnovel.

5.Tom________________

(finish)writinghisnovelbytheendofnextyear.6.Tom_________(finish)writinghisnovellastyear.haveeatenhadeatenhadfinishedhasfinishedwillhavefinishedfinished即學即練

PracticeMakesPerfect1.Sinceourtwinsbeganlearningtowalk,mywifeandI_________(keep)tellingthemthatourslidingglassdoorisjustawindow.

(2020全國Ⅰ卷)2.Instead,oneactivist,dressedinafull-bodymonkeysuit,__________(arrive)beforeotheractivistswithasignpraisingthefilmmakers:“Thanksfornotusingrealapes(猿)!”(2020全國Ⅲ卷改)havekepthadarrived

PracticeMakesPerfect即學即練3.Arrivingatthepartyhurriedly,we______(be)disappointedtofindthattheband___________(stop)playing.4.Hardly______helefttheroomwhenthetravelerentered.5.EhlerscalledthenumberofJeffandLisatotellthemthattheirdog________________(find).(2019全國Ⅱ卷改)6.Lastwinter,whenI_____(go)thereagain,they_____(have)abigseparatehousetoraisedozensofchickens.(2018全國Ⅰ卷)hadstopped

were

had

hadbeenfoundwent

had即學即練

PracticeMakesPerfect7.Ben__________(move)toEnglandwithhismumwhenhewasthreeandit_________(be)13yearssinceIhadlastseenhim.(2018全國Ⅱ卷)8.Thisisthefirsttimehe______________(confront)anarmedrobber.9.Millionsofyearsago,dinosaursroamed

(漫步)theearth,butthey____________(become)extinctbythetimehumankindfirstappeared.hasconfrontedhadmovedhadbeenhadbecome即學即練

PracticeMakesPerfect10.Mary,whenquestionedwhyshe___________(cheat)intheexam,justloweredherheadand______(keep)silent.11.Sincethen,Ricky__________(decide)tobecomea“MaximumEfficiencyBoy”,and____(put)realcareintohowhetreatedhisthings.12.HardlyhadI_____(come)outoftherailwaystationwhenmyparents_____(run)tomeand_______(help)mecarrymyluggage.hadcheatedcome

kept

hasdecidedhelped

put即學即練

PracticeMakesPerfectran

Lastyear,mybrotherandI____(go)toMiamiforavacation.Someofmyfriendswho________(be)therebeforesaiditwasawonderfulholidaydestination.Beforewewent,we____________(plan)formonths.Whenthedaycame,wewereready.hadbeenhadplannedwent

語篇填空

PracticeMakesPerfect

Afterourplane_______(land),wewenttothehotel.We________(make)ourreservationsixmonthsearlier,butthemanatthefrontdesksaidthere________(be)amistake.We________(tell)thatourroomshadn’tbeenreservedforthatweek,butfortheweekafter.Ididn’tunderstandwhythiswouldhappenandmycreditcard_______________(charge)forthereservation.landed

hadbeenweretoldhadbeencharged

hadmade

Practic