人教版（2019） 必修第一册 Unit 5 Languages Around the World 定语从句关系副词课件

DiscoveringUsefulStructures

Review:Whatistheattributiveclause？eg.Sheistheonewhoyouneverforget.定语从句结构：从句关系词修饰名词或代词的句子先行词关系词被修饰的名词或代词引导定语从句替代先行词充当句子成分关系代词关系副词whowhomthatwhichwhosewhenwherewhy定义：关系代词与关系副词的选用如何确定关系词（分析从句的成分）Eg:Thisisthefactory________heusedtowork.Thisisthefactory________Ivisitedlastyear.一找从句 二划先行词三定关系词①作主/宾/定语关系代词②作状语关系副词wherewhichwhen的用法when表示时间，代替先行词并在定语从句中做时间状语，其先行词往往是表示时间的名词，如time,day,year,month,week,moment,occasion，age，period,stage等。Eg:I’llneverforgettheday

whenIjoinedtheteam.Test:I’llneverforgettheday_________Ilivedinthemountains.

I’llneverforgettheday_________Ispentinthemountains.whenwhichEg:Theschool

wheremysonstudiesisnearapark.

Theyhavereachedthepoint

wheretheyhavetoseparatewitheachother.Test:Thisisthehouse___________hewasborn.

Thisisthehouse___________wassetupbyhisparents.where表示地点，代替先行词并在定语从句中做地点状语，其先行词往往是具体地点place,room,mountain,airport或抽象地点的名词如case,state,condition,point,situation等。where的用法wherewhichEg:Doyouknowthereason

whyheissoupset?Test:Thisisthereason___________hewaslate.

Thisisthereason___________hetoldusforhisbeinglate.why表示原因，代替先行词并在定语从句中做原因状语，其先行词是表示理由的名词reason。why的用法whywhich1.when可以换成

“介词＋which”。Istillremembertheday.

IcametoBeijing

on

thatday.Istillremember

thedaywhen

(＝________)

IcametoBeijing.

2.where可以换成“介词＋which”。Thisisthehotel.

Theystayedin

thehotel.Thisisthehotelwhere

(＝________)theystayed.

这就是他们待过的旅馆。3.why可以用“forwhich”来代替。Thisisthereason.

Heleftinahurry

for

thisreason.Thisisthereasonwhy

(＝________)

heleftinahurry.

这是他匆匆离开的原因。关系副词when,where,why引导定语从句时，关系副词也可用“介词+关系代词”代替。onwhichinwhichforwhich介词+关系代词引导的定语从句关系代词的确定当关系代词在定语从句中作介词的宾语时,我们通常用“介词+关系代词”引导定语从句。先行词指物时，关系代词只能用which；先行词指人时,用whom。Eg:Themanto________youspokeisateacher.Thecityin_________shelivesisfaraway.whomwhich限制性定语从句和非限制性定语从句限制性定语从句：对先行词起到修饰作用Eg:Thisistheteacherwhohastaughtfor30years.非限制性定语从句：对先行词起到补充说明的作用，有逗号隔开。Eg:Mr.Smith,whocametoseemeyesterday,isoneofmybestfriends.限制性定语从句和非限制性定语从句位置不同：which通常放在句末，而as可放在句首，句中或句末。Eg:Asisknowntoall,Chinaisadevelopingcountry.MarkTwain,asweknow,isafamousAmericanwriter.Hedoesn'tlikethejob,asyoucansee.Theroadswereflooded,whichmadeourjourneymoredifficult.翻译不同：which可翻译为“这，那”；as翻译成“正如”Eg:Ourteamwonthematch,asweexpected.Hebrokehispromise,whichmademeangry.as固定词组搭配aswe