Unit3FoodandCultureGrammar课件高中英语人教版选择性

DiscoverUsefulStructure:

过去完成时态FoodandCultureBook5Unit3Contents

01过去完成时定义02过去完成时结构FoodandCulture

03过去完成时判定依据04过去完成时和其他时态区别05练习01

过去完成时定义Sense

theusageofthepastperfecttensepresentpastfutureBApresentpastfutureBADiscover:Studythesentencesbelowandmarkthecircledwordsinthetimeaxis(时间轴).

Andstateyourreason.hadneverhappenedhadputrealizedlastnight过去完成时表示在过去某一时间或动作之前完成的动作。

定义nowAB1.HongKong___________(return)toChinain1997.returned2.Macao___________(return)toChinain1999.returned3.HongKong_________________(return)toChinabeforeMacaocameback.hadreturned图片来自网络图片来自网络深化理解presentpastpastperfect02

过去完成时结构①

Tomhadfinished

(finish)writinghisnovel②

Ihadeaten

(eat)lotsofcakestillthen.1.肯定式：主语+had+done2.否定式：主语+had+not

+done①Tomhadnoteatenhissupperinthecanteenbeforehewentbackhome.

结构：②

Whenthepolicearrived,thethieveshadnotrun(run)away.3.一般疑问式及肯否回答：①

Hadyouspentallofyourmoney?Yes,Ihad./No,Ihadn’t.Had+主语

+done+其他？Yes,主语（人称代词）+had.No,主语（人称代词）+hadn’t.4.特殊疑问式：疑问词

+had+主语+done+其他？疑问词+一般疑问句式？①

Why

hadTheCastlebecomeamemoryof

generation?②

What

hadyoubought?肯定结构had＋done否定结构had＋not＋done一般疑问结构had＋主语＋done特殊疑问结构特殊疑问词＋had＋主语＋done总结：过去完成时的结构

：肯定结构had＋beendone否定结构had＋not＋beendone一般疑问结构had＋主语＋been

done特殊疑问结构特殊疑问词＋had＋主语＋been

done总结：过去完成时的被动语态结构

03过去完成时判定依据before(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”1.由时间状语来判定一、基本用法I________________(finish)readingthenovelbynineO'clocklastnight.We________________(learn)overtwothousandEnglishwordsbytheendoflastterm.They______________(plant)sixhundredtreesbeforelastWednesday.They___________(leave)beforewearrivedattheschool.

Breakfast___________________(serve)bythetimeIgotup.

ExamplesandExerciseshadfinishedhadlearnedhadplantedhadlefthadbeenserved如果动作有前后顺序，发生在前的用“过去完成时”

发生在后的用”一般过去时”E.g.Shesaidthatshehadseenthefilmbefore.2.由”过去的过去”来判定常用在宾语从句中Hesaidthathehadgiventhebooktotheteacher.Weweresurprisedatwhatshehadalreadydone.常用于主语从句中Itwassaidthatthebuildinghadbeendestroyed.常用于状语从句中WhenIgottothestation,thetrainhadalreadyleft.Afterhehadfinishedhishomework,hewenttobed.PriortocomingtoChina,myonlyexperiencewithChinesecookingwasinAmerica,withChinesefoodthat_______________________(change)tosuitAmericantastes.

ASichuanrestaurant___________________________(recommend)tousbyafriend,andfinally,wefoundit.Tired,hungry,andnotknowingawordofChinese,wehadnoideahowtoorder,sothechefjustbeganfillingourtablewiththebestfoodwe_____________ever(eat).3.由”语境(上下文)”来判定hadbeenchangedhadbeenrecommendedhadeaten1.某些动词可用过去完成时,表过去未曾实现的想法、希望、打算或意图等。hopewishexpectthinkintendmeansupposeWehadhopedthatyouwouldcome,butyoudidn't.我们本希望你来，但你没有来。Ihadthoughtthatyouwouldbecomeadoctor.我本以为你会成为医生。二、特殊结构用法It/This/Thatwasthe(first/second..)time+(that)+句子句子用“过去完成时”E.g.ItwasthesecondtimethatI_________(lose)thechance.Thiswasthefirsttimethathe___________(be)thewinner.Thatis

thefirsttimethatshe___________(visit)Beijing.

2.这是某人第几次做某事了。

Nosoonerhadsb.donethansb.didsth./Hardly/Scarcely/Barelyhadsb.donewhensb.didsth.*Hardly_____we_____(leave)thehousewhenitbegantorain.*Nosooner_____she_____(get)outofthebuildingthanitcollaspedinaninstant.had

lefthadgot3.一...就4.刚刚做完...，此时......had(just)donesth.when...E.g.Hehad(just)turnedoffthecomputerwhenhismomwentback.04

过去完成时与其他时态辨析1.一般过去时与过去完成时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或动作之前被动:hadbeendoneIfinishedtheworkat5o'clock.Ihadfinishedtheworkbefore5o'clock.我（过去）五点完成了这项工作。我（过去）五点前，已经完成了这项工作。2.过去完成时与现在完成时时态结构用法现在完成时主动:have/hasdone动作发生在过去的某个时间,但侧重对现在产生的结果或影响被动:have/hasbeendone过去完成时主动:haddone动作发生在过去的某个时间或动作之前被动:hadbeendone截止到现在的时间点Ihavelearned1,000Englishwordssofar.Ihadlearned1,000Englishwordstillthen.到目前为止，我已经学了1000个单词。到那时为止，我已经学了1000个单词。nowAB05练习(1)Thetwins,who_____theirhomework,wereallowedtoplaybadmintonontheplayground.A.willfinishB.finishC.havefinishedD.hadfinished(2)---Jessie,it’sapityyoudidn’tgoshoppingonNov.11th.Itwasreallyfantastic!---Really?IfI_____sobusy,Iwouldhaveshoppedforfuntoo.A.shouldn’tbeB.weren’tC.hadn’tbeenD.wouldn’tbe(3)Thechildrenranawaybecausethey_______thewindow.A.wasbreakingB.hadbrokenC.hadbeenbrokenD.broke(4)Mary,whenquestionedwhyshe__________intheexam,justloweredherhead.A.cheatsB.hadcheatedC.cheatedD.hascheated1.单项选择(5)---Iwillneverforgetwhenwemetthefamouswriter.---NeitherwillI.He_____somegoodsandwasatthecheckoutofasupermarket.A.hadselectedB.hasselectedC.wasselectingD.selected(6)Tom_____togoupstairstohisroomandrestawhile,buthisaunturgedhimtofinishhishomeworkfirst.A.shouldplanB.hasplannedC.wouldplanD.hadplanned(7)LaterIknewthatitwasnotherfault.HowIwishedthatI_____herlastFriday!A.hadn’tpunishedB.don’tpunishC.haven’tpunishedD.wouldn’tpunish(8)Engineers_____theirresearchbytheendoflastyear.A.hadcompletedB.completedC.havecompletedD.werecompleting1.单项选择(9)They_____ontheprogramforalmostoneweekbeforeIjoinedthem,andnowwe______onitasnogoodresultshavecomeoutsofar.A.hadbeenworking;arestillworkingB