外研社初中英语定语从句课件.ppt

《外研社初中英语定语从句课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、定语从句授课教师：刘青华WhichoneisHarryPorter?TheboyisHarryPorterWhichoneisHarryPorter?Theboy_______________________isHarryPorter.whoiswearingglasses定语从句定语从句一、概念:在复合句中修饰名词或代词的句子.(在句子中作定语)(Attributiveclause)HarryPorterisasmartboy.HarryPorterisaboywhohasmagicpower.形容词作定语句子作定语,修饰boy,叫做定语从句HarryPorterisaboywh

2、ohasmagicpower.先行词关系词定语从句结构：先行词+关系词+句子被定语从句修饰的名词或代词二、关系代词的用法:Thesearethetreeswhich/thatwereplantedlastyear.先行词是人whowhomwhosethatwhich先行词是物Thesearethestudentswho/thatwonthefirstplacelastyear.人(n.)+who/that+从句物(n.)+that/which+从句Haveatry指出关系代词（副词）在定语从句中的成份：1.ThemanwhocametoourschoolisMr.Wang.()2.

3、Thegirl(whom)ImetisLucy.()3.AchildwhoseparentsaredeadiscalledTom.()4.Ilikethebook(which)youboughtyesterday.()主语宾语定语宾语Ihaveanapple.Anappleisred.Ihaveanapplethatisred.修饰先行词anapple主语主语关系词that在定语从句中作主语时不能省掉。Ilikesomefriends.Somefriendslikesports.Ilikesomefriendswholikesports.修饰先行词friends主语主语/that关

4、系词who/that在定语从句中作主语时不能省掉。主语宾语定语指人whothatwhomthatwhose（ofwhom）指物WhichthatWhichthatWhose(ofwhich)指人和物thatthatwhose1.引导定语从句的关系代词关系副词When=on(in,during…)whichwhere=on(in,infrontof…)whichWhy=forwhich2.引导定语从句的关系副词如何选用定语从句的关系词1.首先分清主句和定语从句2.确定定语从句的先行词3.把先行词带回到定语从句中去，看其在定语从句中做什么语法成分（主语，宾语，定语或状语）4.若先行词在

5、从句中做主语、宾语或定语则选择关系代词，若在从句中做状语，则选择关系副词。1.who,whom,whose,that用法区别.①who作定语从句的主语或宾语.Themanwhoisspeakingatthemeetingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语②whom作定语从句的宾语Thewomanwhomtheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语③that可以作定语从句的主语和宾语.Th

6、ewoman(whom/that)theywantedtovisitisateacher.可省略Themanwho/thatisspeakingatthemeetingisaworker.④whose作定语从句的定语.Iknowthegirlwhosemotherisateacher.分解Iknowthegirl.Thegirl’smotherisateacher.作定语2.which,that的用法which作定语从句的主语或宾语.Ilikethebook(which/that)youboughtyesterday.Thisisatruckwhich/thatismadeinCh

7、ina.作主语作宾语可省略3.只能用that的情况①序数词或形容词最高级修饰先行词时TomisthecleverestboythatIhaveeverknown.ThisisthefirstplaythatIhaveseensinceIcamehere.③everything,something,nothing,all,anything,little,much等不定代词作先行词时Everythingthatwesawinthisfilmwastrue.②先行词被eve