Unit+1+Cultural+Heritage+Discovering+Useful+Structures+課件 【知識精講精研】 高中英語人教版（2019）必修第二冊

復習限制性定語從句了解非限制性定語從句知道如何合并定語從句在主從復合句中，對某一名詞或代詞起修飾作用的從句叫定語從句。被修飾的名詞或代詞叫先行詞，引導定語從句的連接詞叫關系詞。定語從句一般位于先行詞后1.引導定語從句2.代替先行詞3.在從句中擔當一個成分WhichoneisHarryPorter

?TheboyisHarryPorter.WhichoneisHarryPorter?Theboy_______________________isHarryPorter.whoiswearingglassesTheusageoftherelativepronounsandadverbswhich/thatwhich/thatStep1:劃分主句和從句Step2:找先行詞Step3:看從句所缺成分缺主語、賓語、定語---選擇關系代詞(who/that/which/whose/whom)不缺成分，選擇關系副詞去做狀語---(when/where/why)選擇關系詞的步驟1.Therecomesatime_____theoldmustgivewaytothenew.2.Waterfromthedamwouldlikelydamageanumberoftemplesanddestroyculturalrelics_______wereanimportantpartofEgypt'sculturalheritage.3.Afterlisteningtothescientists_______hadstudiedtheproblem,andcitizens_________livednearthedam,4.Temples...andthenmovedandputbacktogetheragaininaplace_____theyweresafefromthewater.5....byUNESCO,whichrunsaprogramme_________preventsworldculturalheritagesitesaroundtheworldfromdisappearing.which/thatwherewho/thatwhich/thatwhenwho/thatDiscoveringUsefulStructures非限制性定語從句限制性定從非限制性定從Theteacherwhotaughtmeismysister.Mysisterisateacher,whoplaysbadmintoneveryweek.句意完整為非限定從，不完整為限制性定從。ThegirlisfromAmerica.ThegirlIcalledjustnow.

Thegirl

(whom)Icalledjustnow

isfromAmerica.They’retalkingaboutthefilm.Ihaveseenthefilm.

They’retalkingaboutthefilm(that)I’veseen.如何合并定語從句？Ihavereadthenewspaper.Thenewspapercarriestheimportantnews.

Ihavereadthenewspaper

whichcarries

theimportantnews.Thegirlgotfirst.Thegirl’sfatherhadgivenusareport.

Thegirlwhosefather

hadgivenusareportgotfirst.Ishowedhimtheletter.Ireceivedtheletterthismorning

Ishowedhimtheletter(which)Ireceivedthismorning.

JanehasborrowedthebookthatwaswrittenbyLaoshe.ThebookwaswrittenbyLaoshe.Janehasborrowedthebook.Summary1.找共同3.共同部分為先行詞，從句位于先行詞的后面2.判斷主句和從句Step1Ihavedownloadedthatfreeapp,butitdoesn’tworkwell.找共同thatfreeappitStep2Ihavedownloadedthatfreeapp,butitdoesn’tworkwell.判主從主從句規(guī)則主句：整句話的核心含義；從句：起修飾共同名詞作用。主句：Thefreeappdoesn’tworkwell.從句：Ihavedownloadedthatfreeapp.Step3Ihavedownloadedthatfreeapp,butitdoesn’tworkwell.ThefreeappwhichIhavedownloadeddoesn’tworkwell.Practice1Heshowedmeaphotoinhisroom.ItwasaphotoofafamousculturalrelicinEgypt.找相同：aphoto

=

it判主從：主：Itwasaphoto

...

從：Heshowedme

...Thephoto(which/

that)heshowedmeinhisroomwasofafamousculturalrelicinEgypt.Practice2TheprojectteamhelpedprotectthenationalparksintheUnitedRepublicofTanzania.Itwasformedbymembersfromfifteencountries.找相同：theprojectteam

=

it判主從：主：Theprojectteamhelped...從：Itwasformedby...TheprojectteamthatwereformedbymembersfromfifteencountrieshelpedprotectthenationalparksintheUnitedRepublicofTanzania.Practice3ThistemplewasfirstbuiltduringtheQinDynasty.(Thetime…)找相同：thetime

=

QinDynasty判主從：主：ThetimewasduringtheQinDynasty.從：Thistemplewasfirstbuilt.

ThetimewhenthistemplewasfirstbuiltwasduringtheQinDynasty.Practice4WemetaprofessionalarchaeologistattheentrancetotheGreatPyramid.Heexplainedtoustheprocessofbuildingsuchadifficultstructure.找相同：theprofessionalarchaeologist

=

he判主從：主：Heexplainedtoustheprocess...從：Wemetaprofessional...

Theprofessionalarchaeologist(who/whom)wemetattheentrancetotheGreatPyramidexplainedtoustheprocessofbuildingsuchadifficultstructure.Practice5Thedocumentsabouttheculturalrelicsfromoverseasareunderthedesk.Ifoundthemyesterday.(Theplace…)找相同：Thedocuments

=

them判主從：主：Ifoundthemyesterday.從：Thedocumentsaboutthecultural...Ifoundthedocumentsyesterdaywhichabouttheculturalrelicsfromoverseasareunderthedesk.Practice6Scientistsworkedtogetherdayandnighttorescuethetemplebecausetheywantedtopreserveitforthenextgeneration.(Thereason…)找相同：thereason

=

because判主從：主：becausetheywantedtopreserve...從：Scientists