Unit 5 Period 3 Lesson 1 Grammar 课件 高中英语新北师大版必修第二册（2023~2024学年）

北师大必修第二册Unit5(

英语

)ENGLISHLesson1ASeaStoryGrammar新课导入①AprilFool'sDayisadaywhen/onwhichpeopleplayjokesonfriends.②Thefactorywhere/in

whichhisfatherworksisintheeastofthecity.③I'llneverforgetthedayswhen/in

whichweworkedonthefarmyearsago.LookandsayTrytotranslatethefollowingsentencesintoChinese.And,doyourememberwhattheredfontis?1.能掌握定语从句中关系副词的用法；2.能正确运用定语从句。课堂学习FocusonLanguage:RelativeClauses(2)Readthesentencesfromthetext.Underlinethewordsthatintroducerelativeclausesandcirclethewordsthattherelativeclausesreferto.1.Thatwasthedaywhenittookonlysishourstobreakmybodyandsoul.2....thereasonwhyI'mheretotellthestoryisthatImadetherightdecision.3....andthewavessooncarriedmetoanareawheretheotherfishermenwere._____________Grammar定语从句1.定义在复合句中修饰名词或代词，在句子中起定语作用的从句。Theseastorywaswrittenbyawriterwhowasknownforhispoetryandmysterytales.

先行词:被修饰的名词或代词关系词：1.连接从句；2.替代先行词；3.在从句中充当主语、宾语或者状语。定语从句2.用法被定语从句限定的词叫做先行词,引导定语从句的词叫做引导词，分别是关系代词和关系副词;其中which,that,who,whom,whose,为关系代词。关系代词指代人：whowhomthat

指代事物：whichthat指代所属关系：whose关系副词wherewhenwhy1.ThisisthehousewhereIlived20yearsago.2.Istillremembertheday

whenIfirstmethim.3.Canyoutellmethereason

whyyouliedtome?表原因表时间表地点地点状语时间状语原因状语观察先行词有什么特点？从句中缺少主语或宾语成分吗？Thatwasthedaywhenittookonlysixhourstobreakmybodyandsoul.先行词关系副词Thatwastheday.Itonlytooksixhourstobreakmybodyandsoul

ontheday.时间时间状语Thatwasthedayonwhichittookonlysixhourstobreakmybodyandsoul.

引导定语从句的关系词在从句中作时间状语，可使用关系副词when来引导，也可用“介词+which”来引导，介词可使用in/on/at/during…Thewavessooncarriedmetoanareawheretheotherfishermenwere.先行词关系副词Thewavessooncarriedmetoanarea.Theotherfishermenwereinthearea.Thewavessooncarriedmetoanareainwhichtheotherfishermenwere.引导定语从句的关系词在从句中作地点状语，可使用关系副词where来引导，也可用“介词+which”来引导，介词可使用in/on/at/under/…地点地点状语Thereason

whyI’mheretotellthestoryisthatImadetherightdecision.先行词关系副词原因ThereasonisthatImadetherightdecisionI’mheretotellthestoryforthereason.

Thereason

forwhichI’mheretotellthestoryisthatImadetherightdecision.引导定语从句的关系词在从句中作原因状语，可使用关系副词why来引导，why可换成“for+which”原因状语

如何选择关系代词VS关系副词?

①从句缺少主、宾、定关系代词关系副词②从句缺状语关系副词先行词在从句中作成分相当于wherewhenwhy地点名词地点状语时间名词时间状语reason原因状语in,at等介词+whichat,in,on,during等介词+whichfor+whichReadthesentencesbelowandcomparethem.Whichchoice(aorb)doyouthinkisbetter?Why?101.aIsthereashopnearby?Iwanttobuysomesweetsintheshop.bIsthereashopnearbywhereIcanbuysomesweets?2.aWecangothereonSunday.FewpeoplegotoworkonSunday.bWecangothereonSundaywhenfewpeoplegotowork.3.aHewassoupsetforsomereason.Hedidn'ttellmethereason.bHedidn'ttellmethereasonwhyhewassoupset.Usingrelativeclauseshelpstomakethesentenceslogicallyclearerandconcise.Relativeclausescanalsohelptoomitrepeatedwordsandexpressions.11Completethesentencesaboutyourselfusingrelativeclauses.1.I'llneverforgettheday____________________________________2.Iwasbornin