Unit4NaturalDisastersDiscoveringUsefulStructures定语从句课件高中英语人教版

Unit4NaturalDisastersDiscoveringUsefulStructurestherelativeclausesPleasedecidewhatkindofclausethefollowingcompoundsentencescontain1.IknowthatChineseisaverydifficultlanguage.2.IhavetothinkabouthowIcanspeakChinesefluently.3.MyhopeisthatIcanspeakChinesefluently.4.ItisknownthatChineseisaverydifficultlanguage.5.IcanspeakChinesefluentlyifIpractiseasoftenaspossible.6.IhopetospeakChinesefluentlywhenIgraduate.7.Chineseisalanguagethatisdifficulttolearn.8.ChineseisalanguagewhichisplayinganimportantroleinourlifeLearningobjectivesAftertheclassstudentswillbeableto1.understandthedefinition(定义)

oftherelativeclauseandthefunctions(功能)

ofrelativepronouns(关系代词)byanalyzing2.userelativepronounscorrectlyinspecificcontextsbypracticingrepeatedly.Activity1Findtherelativeclausesinthefollowingsentencesandthepositionoftherelativeclause1.TheTangshanearthquakewasaterribleexperiencethatmygrandmacannotforget.2.Thesupplieswhichwereprovidedtothedisasterareawerecollectedfromaroundthecountry.3.AdoctorwithwhomJamesusedtoworkdiedinthe2016earthquakeinEcuador.4.Thereweredeepcracksthatappearedinthewellwalls.5.Twothirdsofthepeoplewholivedthereweredeadorinjured.6.Soonafterthequakes,thearmysent150,000soldierstoTangshantodigoutthosewhoweretrappedandtoburythedead.7.Workersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed.

thedefinition(定义)

oftherelativeclause在复合句中，修饰名词、代词或句子的从句叫作定语从句Thereweredeepcracksthatappearedinthewellwalls.Heisateacherwhomwehavelearntalotfrom.Successoftencomestothosewhohaveconfidenceinthemselves.ImadegreatprogressinEnglish,whichmademeexcited.Itrainedheavilyallday,whichkeptusindoors.Classification(类别)ofrelativeclausestherestrictiverelativeclause(限制性定语从句）andthenon-restrictiveclause(非限制性定语从句）Watchcarefullyandtellthedifferencesbetweenthefollowingrelativeclauses1.Thisistheverybookthatyouarelookingfor.2.Iwastheonlypersonwhowasinvited.3.MyhomelandisChina,whichhasalonghistoryandsplendidculture.4.LastnightImetlihua,whoseemedtobeverybusy.5.Shetoldmealie,whichmademeangry.限制性定语从句是先行词不可缺少的部分，去掉后，主句的意思表达不明确。非限制性定语从句是对先行词进行补充说明，去掉之后，往往不影响主句意思的表达1.Thisisabookthatinterestsalargenumberofpeople.2.Themanwholivesnexttousisapoliceofficer.3.Godhelpsthosewhohelpthemselves.4.Theprizewillgotothewriterwhosestoryshowsthemostimagination.被定语从句修饰的词叫作先行词。定语从句一般紧跟在它所修饰的先行词之后。引导定语从句的词叫作关系词.关系词分为关系代词和关系副词。关系代词有which、that、who、whom、whose,关系副词有when、where、why.关系词中，that不能引导非限制性定语从句观察下列句子，分析先行词和关系代词的特征和作用1.Thisisabookthat/whichinterestsalargenumberofpeople.2.Thisisthebook(that/which)Iboughtyesterday.3.Theexpertwho/thatvisitedourschoolyesterdayisfromCnada.4.Theexpert(who/whom/that)wemetinourschoolyestardayisfromCnada.5.sheisthegirlwhosebrotherisstudyingabroad.6.HehaswrittenabookwhosenameIhaveforgotten.关系代词whichthatwhowhomwhose在定语从句中的作用：引导从句，代替先行词并在从句中充当成分。先行词关系代词指代成分作用备注whichthatwhowhomwhose指物作主语、宾语指人

指物作主语、宾语作主语、宾语指人指人指人

指物作宾语作定语作宾语可省略作宾语可省略作宾语可省略作宾语可省略Activity2关系代词引导定语从句用法1.关系代词which指物,在从句中做主语

宾语2.关系代词that既可以指人又可以指物,在从句中做主语

宾语3.关系代词who指人,在从句中做主语

宾语4.关系代词whom指人,在从句中做宾语5.关系代词whose即可指人又可以指物，在从句中做定语6.关系代词在定语从句中做宾语时,可以省略用适当的关系代词填空1.Aplaneisamachine___________canfly.2.Thefish___________weboughtthismorningwerenotfresh.3.Thegirl_______________wesawyesterdaywasJim’ssister.4.Theboy___________brokethewindowiscalledTom5.Thisisthefactory__________wasbuiltlastyear.6.Thisisthefactory__________wevisitedlastyear.7.Theinjuredboy_________motherwaslostinthedisasterwastakentothehospital.8.YesterdayIsawafilm________leadingactorisworld-famous.that/whichthat/whichwho/whom/thatwho/thatthat/whichthat/whichwhosewhose将下面几组简单句合并为含定语从句的复合句1.Ihavereadthenewspaper.Itcarriestheimportantnews.2.Ifoundthebook.Ilostityesterday.3.Italkedwiththeman.Hishousewasdestroyedintheflood.4.Heisaman.youcansafelydependonhim.5.Werespectthedoctor.HeledthefightwithCOVID-19inWuhanIhavereadthenewspaperwhich/thatcarriestheimportantnewsIfoundthebookthat/whichIlostyesterday.Italkedwiththemanwhosehousewasdestroyedintheflood.Heisamanwho/whom/thatyoucansafelydependonWerespectthedoctorwho/thatledthefightwithCOVID-19inWuhan1.Thisisthehouse___________welivedinlastyear. Thisisthehousein_______welivedlastyear.2.Thefactory___________Ionceworkedinhastakenonanewlook. Thefactoryin_____Ionceworkedhastakenonanewlook.3.Heistheperson_________________youcanturntoforhelp. Heisthepersonto_______youcanturnforhelp.4.Heisacleverboy________________hisparentsareproudof.Heisacleverboyof______hisparentsareproud.关系代词在定语从句中做介词宾语的用法:介词提前，指物时用关系代词_______.指人时用关系代词_______that/whichwhichthat/whichwhichwho/that/whomwhomwho/whom/thatwhomwhichwhom用适当的关系代词填空1.Heisateacherfrom________wecanlearnalot.2.Greatchangeshavetakenplaceinthecityin______welive.3.Shehasmanynovels,someof______areinteresting.4.Thedoctorwith_______youusedtoworkdiedintheearthquake.5.Thewomanwroteathank-youlettertothesoldierby_____shewasrescued.whomwhichwhichwhomwhom但在下列情况下在限制性定语从句中关系代词指物时用that不用which1.当先行词为allanythingeverythingnothing等不定代词时

HesetdowneverythingthatIsaid.Hedidallthathecouldtohelpme.2.当先行词被序数词和形容词最高级修饰时

ThisisthemostbeautifulcitythatIhavevisited.

ThefirstlessonthatIhavelearnedwillneverbeforgotten.3.当先行词被all,every,theonly,thevery,theright修饰时

Heisreadingtheverybookthatyougavehimlastnight.HeateallthefoodthatwasprovidedbyMom.Thatistheonly

thingthatwecandonow.4.当先行词既指人又指物时

Weoftentalkaboutthepersonsandthingsthatweremember.关系代词th