Unit4NaturalDisastersDiscoveringUsefulStructures定語從句課件高中英語人教版

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

oftherelativeclauseandthefunctions(功能)

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

thedefinition(定義)

oftherelativeclause在復(fù)合句中，修飾名詞、代詞或句子的從句叫作定語從句Thereweredeepcracksthatappearedinthewellwalls.Heisateacherwhomwehavelearntalotfrom.Successoftencomestothosewhohaveconfidenceinthemselves.ImadegreatprogressinEnglish,whichmademeexcited.Itrainedheavilyallday,whichkeptusindoors.Classification(類別)ofrelativeclausestherestrictiverelativeclause(限制性定語從句）andthenon-restrictiveclause(非限制性定語從句）Watchcarefullyandtellthedifferencesbetweenthefollowingrelativeclauses1.Thisistheverybookthatyouarelookingfor.2.Iwastheonlypersonwhowasinvited.3.MyhomelandisChina,whichhasalonghistoryandsplendidculture.4.LastnightImetlihua,whoseemedtobeverybusy.5.Shetoldmealie,whichmademeangry.限制性定語從句是先行詞不可缺少的部分，去掉后，主句的意思表達(dá)不明確。非限制性定語從句是對先行詞進(jìn)行補(bǔ)充說明，去掉之后，往往不影響主句意思的表達(dá)1.Thisisabookthatinterestsalargenumberofpeople.2.Themanwholivesnexttousisapoliceofficer.3.Godhelpsthosewhohelpthemselves.4.Theprizewillgotothewriterwhosestoryshowsthemostimagination.被定語從句修飾的詞叫作先行詞。定語從句一般緊跟在它所修飾的先行詞之后。引導(dǎo)定語從句的詞叫作關(guān)系詞.關(guān)系詞分為關(guān)系代詞和關(guān)系副詞。關(guān)系代詞有which、that、who、whom、whose,關(guān)系副詞有when、where、why.關(guān)系詞中，that不能引導(dǎo)非限制性定語從句觀察下列句子，分析先行詞和關(guān)系代詞的特征和作用1.Thisisabookthat/whichinterestsalargenumberofpeople.2.Thisisthebook(that/which)Iboughtyesterday.3.Theexpertwho/thatvisitedourschoolyesterdayisfromCnada.4.Theexpert(who/whom/that)wemetinourschoolyestardayisfromCnada.5.sheisthegirlwhosebrotherisstudyingabroad.6.HehaswrittenabookwhosenameIhaveforgotten.關(guān)系代詞whichthatwhowhomwhose在定語從句中的作用：引導(dǎo)從句，代替先行詞并在從句中充當(dāng)成分。先行詞關(guān)系代詞指代成分作用備注whichthatwhowhomwhose指物作主語、賓語指人

指物作主語、賓語作主語、賓語指人指人指人

指物作賓語作定語作賓語可省略作賓語可省略作賓語可省略作賓語可省略Activity2關(guān)系代詞引導(dǎo)定語從句用法1.關(guān)系代詞which指物,在從句中做主語

賓語2.關(guān)系代詞that既可以指人又可以指物,在從句中做主語

賓語3.關(guān)系代詞who指人,在從句中做主語

賓語4.關(guān)系代詞whom指人,在從句中做賓語5.關(guān)系代詞whose即可指人又可以指物，在從句中做定語6.關(guān)系代詞在定語從句中做賓語時(shí),可以省略用適當(dāng)?shù)年P(guān)系代詞填空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將下面幾組簡單句合并為含定語從句的復(fù)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.關(guān)系代詞在定語從句中做介詞賓語的用法:介詞提前，指物時(shí)用關(guān)系代詞_______.指人時(shí)用關(guān)系代詞_______that/whichwhichthat/whichwhichwho/that/whomwhomwho/whom/thatwhomwhichwhom用適當(dāng)?shù)年P(guān)系代詞填空1.Heisateacherfrom________wecanlearnalot.2.Greatchangeshavetakenplaceinthecityin______welive.3.Shehasmanynovels,someof______areinteresting.4.Thedoctorwith_______youusedtoworkdiedintheearthquake.5.Thewomanwroteathank-youlettertothesoldierby_____shewasrescued.whomwhichwhichwhomwhom但在下列情況下在限制性定語從句中關(guān)系代詞指物時(shí)用that不用which1.當(dāng)先行詞為allanythingeverythingnothing等不定代詞時(shí)

HesetdowneverythingthatIsaid.Hedidallthathecouldtohelpme.2.當(dāng)先行詞被序數(shù)詞和形容詞最高級修飾時(shí)

ThisisthemostbeautifulcitythatIhavevisited.

ThefirstlessonthatIhavelearnedwillneverbeforgotten.3.當(dāng)先行詞被all,every,theonly,thevery,theright修飾時(shí)

Heisreadingtheverybookthatyougavehimlastnight.HeateallthefoodthatwasprovidedbyMom.Thatistheonly

thingthatwecandonow.4.當(dāng)先行詞既指人又指物時(shí)

Weoftentalkaboutthepersonsandthingsthatweremember.關(guān)系代詞th