Unit 3 Food and Culture Discover Useful Structures 课件-高中英语人教版（2019）选择性必修第二册

40.______________n.(苏格兰)羊杂碎肚41.______________n.食堂，餐厅42._____________n.自助餐厅，自助食堂VocabularyhaggiscanteencafeteriaUnit3FoodandCulture

DiscoverUsefulStructures

ThePastPerfectTenseThePastPerfectPassiveVoiceLeadin动词的变体第三人称单数过去式现在分词原形过去分词does做did做doing做do做done做eats吃ate吃eating吃eat吃eaten吃1.I_________myhomeworkeveryday.

我每天做作业。2.I_________myhomeworkyesterday.

我昨天做了作业。3.I_____________myhomeworknow.

我现在正在做作业。do时态：一般现在时结构：动词原形/第三人称单数did时态：一般过去时结构：动词过去式amdoing时态：现在进行时结构：am/is/are+动词ing4.I_________myhomeworktomorrow.

我明天要做作业。时态：一般将来时结构：will/shall/begoingto+动词原形willdo过去分词的构成：1.规则动词的变化：a)一般情况下在动词后面加ed

work------workedplay--------playedb)以e结尾的动词直接加d

use------used

refuse------refusedc)以辅音字母加y结尾的动词，把y改i再加edstudy-----studiedcarry-----carriedd)以重读闭音节结尾的，前面有单个元音字母时，双写辅音字母，再加edstop----stoppeddrop-------dropped2.不规则动词的变化见不规则动词表P122-123过去完成时的构成：由助动词had+动词的过去分词（V.pp)ObserveandDiscover(p29)Thechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.Anewfarm-to-tablerestauranthadbeensetup

bythechefbeforehisnewcookbookwaspublished.TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.TheirdinnerhadbeenfinishedbythetimeSamjoinedthem.主句和从句中的谓语动词：时态？语态？形式结构？主句和从句中事件或动作的先后顺序？主从句之间的连接词是什么？ObserveandDiscoverThechefhadsetupafarm-to-tablerestaurantbeforehisnewcookbookwaspublished.PresentFuture…hadsetup…

…waspublished时态：过去完成时语态：主动结构：haddone时态：一般过去时语态：被动结构：was/weredoneObserveandDiscoverAnewfarm-to-tablerestauranthadbeensetup

bythechefbeforehisnewcookbookwaspublished.PresentFuture…hadbeensetup…

…waspublished时态：过去完成时语态：被动结构：hadbeendone时态：一般过去时语态：被动结构：was/weredoneObserveandDiscoverTheyhadfinishedtheirdinnerbythetimeSamjoinedthem.PresentFuture…hadfinished…

joined时态：过去完成时语态：主动结构：haddone时态：一般过去时语态：主动结构：didTheirdinnerhadbeenfinishedbythetimeSamjoinedthem.PresentFuture…hadbeenfinished…

joined时态：过去完成时语态：被动结构：hadbeendone时态：一般过去时语态：主动结构：didMoresentencesinthisunitWhenmyfamilyandIhadjustarrivedinChina,wewentlookingforagoodplacetoeatinBeijing.Tired,hungry,andnotknowingawordofChinese,wehadnoideahowtoorder,sothechefjustbeganfillingourtablewiththebestfoodwehadevereaten.ASichuanrestauranthadbeenrecommended

tousbyafriend,andfinally,wefoundit.PriortocomingtoChina,myonlyexperiencewithChinesecookingwasinAmerica,withChinesefoodthathadbeenchangedtosuitAmericantastes.Q1：什么是过去完成时？Q2：过去完成时的结构？Q3：过去完成时时间状语有哪些？Q4：隐形的过去完成时一、过去完成时Q1：什么是过去完成时？Bythetimethepolicemangottotheshop,thethiefhadrunaway.警察到商店时，小偷已经逃跑了。过去现在将来过去完成时是表示过去某个时间之前已经发生的动作或一直延续的动作或状态。→“过去的过去”理解“过去的过去”：过去过去的过去现在先发生的动作用过去完成时，后发生的动作用一般过去时。例：Thefilmhadbegunbeforewegottothecinema.我到达电影院之前电影已经开始了。hadbegungot

Q2：过去完成时的结构？主动语态被动语态肯定形式haddonehadbeendone否定形式hadnotdonehadnotbeendone一般疑问句had＋主语＋donehad＋主语＋beendone特殊疑问句疑问词＋had＋主语＋done疑问词＋had＋主语＋beendone①WhenmyfamilyandIhadjustarrived

inChina,wewentlookingforagoodplacetoeatinBeijing.②ASichuanrestauranthadbeenrecommended

tousbyafriend,andfinally,wefoundit.观察下面句子，说出划线部分的结构类型及句中功能。①划线部分是____________________，arrive这个动作是发生在went这个动作之前，表示过去的过去。②划线部分是____________________，recommend这个动作是发生在found这个动作之前，而且是被动动作。过去完成时的主动语态过去完成时的被动语态Afterhe_____________(finish)hishomework,hewenttobed.3.Theclass____________(begin)whenIgottoschool.4.Thework_____________________(finish)byusbynineo’clockyesterday.5.Tomrealizedamistake____________________(make)byher.5.He_________(leave)beforeIgothome.语法填空。hadfinishedhadbegunhadleft2.Theproject______________________(complete)bytheendof1999.hadbeencompleted

hadbeenfinishedhadbeenmadebefore(连词/介词)+

过去的时间点“在...之前”by+过去的时间点“到...为止”bytheendof+过去的时间点“到...为止”bythetime+(一般过去时)“到...为止”Q3：过去完成时时间状语有哪些？I________________(finish)readingthenovelbynineO'clocklastnight.We________________(learn)overtwothousandEnglishwordsbytheendoflastterm.They______________(plant)sixhundredtreesbeforelastWednesday.They___________(leave)beforewearrivedattheschool.

Breakfast___________________(serve)bythetimeIgotup.

ExamplesandExerciseshadfinishedhadlearnedhadplantedhadlefthadbeenservedMyfatheraskedmeifIhadfinishedreadingthatbook.Theladyshowedmethepicturesshehadpainted.Ibegantheworkafterhehadgone.1.在told，said，knew，heard，thought

等动词后的宾语从句,

主句为过去时，从句动作发生在主句之前，用过去完成时。Q4：隐形的过去完成时2.常用hope,expect,suppose,think,want,wish等动词的过去完成时表示过去未实现的愿望、计划或者打算。例：Wehadintendedtohaveabarbecueintheopenair户外, buttheweatherwasbad.[典例4]1.Ihadwished__________(become)adoctor,butIstudiedlawatcollege.2.They____________(plan)toseeusoffattheairport.tobecomehadplanned①Hardly/Scarcely/Seldom/merely...when；Nosooner...than一.....就否定词置于句首，需要部分倒装。主句用过去完成时，从句用一般过去时。3.用于一些固定句型：1.Hardly

hadwesatdowntosupperwhenthephonerang.2.Scarcely

hadthevotesbeencounted,whenthetelephonerang.3.

Nosooner

hadIwalkedoutthanIrememberedthatIforgotmyhomework.[典例3]1.我刚到车站，火车就开了。(scarcely...when...)2.结果刚一宣布，人们就欢呼起来。(hardly...when...)ScarcelyhadIreachedthestationwhenthetrainstarted.Ihadscarcelyreachedthestationwhenthetrainstarted.

Hardlyhadtheresultbeenannouncedwhenthecrowdapplauded.It/This/Thatwasthefirst/secondtime(that)主+haddone这是/那是某人第一/第二次/第…次做…Itwasthefirsttimeshehadlefthermotherland.Itwasthe+形容词最高级+名词+(that)主+haddoneItwasthemostinspiringperformance(that)Ihadwatched.[典例5]1.Itwasthefirsttimeshe_________(leave)hermotherland.2.Itisthefirsttime(that)I_____________(speak)inpublic.3.This___(be)thefirsttimeIhadseenDadsofurious狂怒的.4.Itistimeforus________(pack)upandleave.5.[变]Itistimewe___________________(pack)upandleave.6.[变]ItwasthebestcoffeeI___________(taste).hadlefthavespokenwas

topackhadtastedshouldpack/packedisishashave3.用于一些固定句型：

1)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。如：IwishI

(be)thereatthattime.那时候我要在那儿就好了。（事实上我不在那儿。）IwishI

(tell)himaboutit.我要是没告诉他那事就好了。（事实上我告诉他了。）过去完成时态常见的固定结构.hadbeenhadnottold2)用于对过去事实进行虚拟的条件句中。如：IfIhadhurried,Iwouldn'thavemissedthetrain.如果我快点的话，我就不会误了火车。Ifyouhadbeenattheparty,youwouldhavemethim.

如果你去了晚会，你就会见到他的。Completethetwoconversationswiththecorrectformsofthewordsintheboxusingthepastperfecttenseorthepastperfectpassivevoice.(p29)PracticearrivecanceleatfinishgettastetellCarol:____youever______anyScottishfoodbeforeyourtriptoSt

Andrewslastyear?

Paul:No,notreally.ButI___________abouthaggismanytimesbefore

wewentthere.

Carol:Oh…Didyoutryit?

Paul: