高中英語新人教版選擇性必修第二冊Unit3FoodandCulturePeriod3Discoveringusefulstructures課件(共19張)

人教版選擇性必修二Period3DiscoveringusefulstructuresUnit3FoodandCultureThepastperfecttenseanditspassivevoiceEnabletheSstomastertheusageofpastperfecttenseanditspassivevoiceinthisunit.EnabletheSstousetherelevantgrammarflexibly.TeachingGoalsThePastPerfectPassiveBythetimethetornadoended,morethan700peoplehadbeenkilled.到龍卷風(fēng)結(jié)束時，已有700多人喪生。Q:Whicheventhappenedfirst?thetornadoending700peopledyingpasthadbeenkilledApasteventbeforeanotherpastevent/apasttimewhen/before/after/by…now自我探究過去完成時及其被動語態(tài)的核心考點activepassiveTheroomlookednice.Somebodyhadcleanedit.Theroomlookednice.Ithadbeencleaned.haddonehadbeendone1.基本構(gòu)成2.過去完成被動時基本用法

1.AfterbeingdiscoveredbyDutchexplorersin1606，theeasternhalfofAustralia______________(claim)bytheBritishin1770.2.Hissisterlefthomein1998，and________________eversince.

3.She________(return)homeand________(find)allherfurniture______________(ruin)bytheflood.4.ThisMondaymorningIwasinformedI________asoneofthreeexchangestudentsfromourcollege.Practicefoundhadbeenruinedreturnedhadnotbeenheardofhasbeenclaimedhadbeenchosen5.Arthurwassurprisedwhenhe________(arrive)homebecausethetornado_________(take)thefeathersoffhischickens.6.We________(leave)thehousewhenthethunderstorm________(finish).7.He________(try)todrivebacktohishomebeforetheflood________(pass)throughthevillage.Practicearrivedhadtakenlefthadfinishedhadtriedpassed

1)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。如：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。）2)用于對過去事實進(jìn)行虛擬的條件句中。如：IfIhadhurried,Iwouldn'thavemissedthetrain.如果我快點的話，我就不會誤了火車。Ifyouhadbeenattheparty,youwouldhavemethim.

如果你去了晚會，你就會見到他的。過去完成時態(tài)常見的固定結(jié)構(gòu).

3)過去完成時常用在引述動詞一般過去時后的間接引語中。Theysaidthattheyhadplantedthetreesonthehillside.他們說他們把樹種在山坡上了。Jacktoldmehehadreadthebookbefore.杰克告訴我他以前讀過那本書。Juliesaidshehadgonetoseehimthedaybefore.朱莉說她前一天已經(jīng)去看過他。過去完成時態(tài)常見的固定結(jié)構(gòu).

4)

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。EvehadhopedtoseemoreofChina.伊芙曾希望在中國多觀光一番。Ihadintendedtobethereontime.我本打算準(zhǔn)時去的。Gretahadmeanttoseeheroffattheairport.格瑞塔本打算是要去機(jī)場送她的。過去完成時態(tài)常見的固定結(jié)構(gòu).

practice

I_______________theoperationtobepainful,butIdidn’tfeelathing.2.I____________togoonatrip,butIwasbusy.3.I______________toseeyou,butIhadtolookaftermybaby.hadexpectedhadmeanthadintended過去完成時態(tài)常見的固定結(jié)構(gòu).

5)用在“主語+hadhardly/scarcely(nosooner)+過去分詞+when(than)從句"句型中，從句用一般過去時。當(dāng)hardlyscarcely,nosooner位于句首時，主句要倒裝。Ihadnosoonerreachedhomethanitbegantorain.我剛到家就開始下雨了。Hardlyhadweleftthehousewhenitbegantorain.我們剛離開家，天就開始下雨了。(2)與..bytheend....bythetime...等連用。●Bytheendofthatyear,Henryhadcollectedmorethanathousandpostcards.到那年年底,Henry已經(jīng)收集了一千多張明信片。Bythetimetheyarrived,wehadgoteverythingready.在他們到這之前，我們已經(jīng)準(zhǔn)各好一樹了。過去完成時態(tài)常見的固定結(jié)構(gòu).

(3)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)。Itwasthefirsttime(that)IhadbeentoShanghai.那是我第一次去上海。●ItwasthemostinspiringperformanceIhadwatched.這是我看過的最激勵人心的表演(4)用在"Itwas+一段時間+since從句"句型中(從句用過去完成時)

例句●ItwasatleastthreemonthssinceIhadleftBeijing.我離開北京至少有三個月了。過去完成時態(tài)常見的固定結(jié)構(gòu).

句型轉(zhuǎn)換：A:Thechefhadsetupafarmtotablerestaurantbeforehisnewcookbookworkbookwaspublished.B:Anewfarmtotablerestaurant__________________bythechefbeforehisnewcookbookwaspublished.A:TheyhadfinishedtheirdinnerbythetimeSamjoinedthem.B