Unit 4 Natural Disasters Discovering Useful Structures 课件-2023-2024学年高一上学期英语人教版（2019）必修第一册

Attributiveclause定语从句的定义：在复合句中，修饰名词或代词的从句叫定语从句，定语从句相当形容词的作用在句中作定语。Theboy

who

isbraveandclever

isTom.

主句定语从句先行词关系词TheboyisTom.

Tomisbraveandclever.Activity1FindtheMainsentencesandclausesIwenttoWuzhenwhichisabeautifultown.Thefoodwhichisnotsospicyisdelicious.LiuRuoyingwhoisastarlovesittoo.Mainsentences:IwenttoWuzhen.Thefoodisdelicious.Attributive/RelativeclauseLiuRuoyinglovesittoo.IwenttoWuzhenwhich

isabeautifultown.Thefoodwhich

isnotsospicyisdelicious.LiuRuoyingwho

isastarlovesittoo.IwenttoWuzhenThefood

LiuRuoying()()(

)()()Jointhefollowingsentences:Aplaneisamachine.Themachinecanfly.Aplaneiscanfly.关系代词的实质amachinethemachineJointhefollowingsentences:Aplaneisamachine.Themachinecanfly.Aplaneiscanfly.关系代词的实质amachinethat/which1.连接从句2.指代先行词3.在从句中充当一个句子成分TaylorSwiftisafamoussinger.TaylorSwiftsingsthesong

lovestory.TaylorSwiftisafamous

singerwho

singsthesonglovestory. Tomisahandsomeguy. Tomisworkinghappily.

Tomisahandsomeguywho

isworkinghappily.Ihavereadthenewspaper.Itcarriestheimportantnews.Ihavereadthenewspaperwhichcarries

theimportantnews.Ishowedhimtheletter.Ireceiveditthismorning.

Ishowedhimtheletter(which)Ireceivedthismorning.

ItwasfeltinBeijing,____________________________________.SomesentenceswithattributiveclauseinthetextAhugecrack__________________________________________cutacrosshouses,roadsandcanals.

thatwaseightkilometerslongandthirtymeterswidewhichismorethantwohundredkilometresaway1.定义：在复合句中修饰名词或代词的从句2.先行词：被修饰的名词,代词关系代词、关系副词：3.引导定语从句的词关系代词：关系副词：when,where,whywho,whom,whose,which,that

,as

定语从句的相关概念TherewasanearthquakewhichhappenedinTangshanin1976.关系代词的用法关系代词在从句中：指人指物subject(主语)object(宾语)attribute（定语）whomwhowhichthatwhose√√√√√√√√√√√√√√√何时可以省略？做宾语时可以省略1.that在从句中作主语或宾语，指人和物。1)Aplaneisamachinethat

canfly.

2)Thenoodles

that

Icookedweredelicious.

3)Let’saskthemanthatisreadingthebookoverthere.4)Thegirl

thatwesawyesterdayisJim’ssister.(主语)(宾语)(主语)(宾语)1.that在从句中作主语或宾语，指人和物。1)Aplaneisamachinethat

canfly.

2)Thenoodles

that

Icookedweredelicious.

3)Let’saskthemanthatisreadingthebookoverthere.4)Thegirl

thatwesawyesterdayisJim’ssister.(主语)(宾语)(主语)(宾语)2.

which在从句中作主语或宾语，指物。

Theyplantedthetreeswhichdidn’tneedmuchwater.2)Thefishwhichweboughtwerenotfresh.3.who,whom

在从句中分别作主语和宾语

TheforeignerwhovisitedourschoolyesterdayisfromCanada.2)ThepersontowhomyoujusttalkedisMr.Li.Theperson____________youjusttalkedtoisMr.Li.who/whom4.whose

在从句中作定语，指人或物。

MissFloweristheteacherwhosehousecaughtfirelastweek.2)Thisistheboy

whose

compositiontheteachertalkedof.

3)Thisisthebookwhose

coverisblue.PracticeWuhanisacity___________________Wuhan

acitydevelopfast

which/that

developsfast.WhichbabyisJack?穿红裤子的baby是Jack。Thebaby

isJack.whosetrousersareredJack房顶是棕色的房子是我的。Thehouse_________________ismine.whoseroofisbrownMyhouseWhichhouseismine?ComparisonandappreciationAreportaboutthetyphoon:

Therewasatyphoonin

Huzhou.ThetyphoonwasonOct.7th

thisyear.Itwasastrongtyphoon.ItstayedinZhejiangforalongtime.Itbroughtstrongwindandheavyrain.Itcausedalot

ofdamage.

Therewasatyphoonthat/which

attackedHuzhouonOct.7ththisyear.Itwasastrongtyphoonwhich/thatstayedinZhejiangforalongtime.Itbroughtstrongwindandheavyrain,which

causedalotofdamage.带定语从句的谚语：1