Unit 4 Discovering useful structures 定语从句（ppt课件） (8)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Lead in 定语定语可以由代词、数词、名词、形容词、分词分词、不定式不定式、介词短语介词短语等来担任，修饰名词。例：your teacher one teacher a female teacher a beautiful teacher a teacher kind to us a teacher standing here a teacher loved by students a teacher to rely on a teacher behind the door 定语从句定语从句 在复合句中，修饰名词名词或代词代词的句句子子叫定语从句。a bad make me crazy c

2、ute womanShe is a bad cute woman who makes me crazy.Presentation定语从句两要素：定语从句两要素：先行词和关先行词和关系引导词系引导词q先行词：被定语从句修饰的词叫先行词先行词：被定语从句修饰的词叫先行词。Jay Chou likes the girl who makes him blush.q关系引导词：连接主句和从句，指代先行词，关系引导词：连接主句和从句，指代先行词，同时在定语从句中充当某种成分的同时在定语从句中充当某种成分的词词。（1）连接作用）连接作用（2）指代作用）指代作用（3）成分作用）成分作用that,which,w

3、ho,whom,whose,aswhen,where,why关系代词关系代词关系副词关系副词There was an earthquake that happened in Tangshan in 1976.Self-study此句的定此句的定语：语：。先行词：先行词：。关系引导词：关系引导词：。关系引导词的功关系引导词的功能：能：，。that happened in Tangshan in 1976.earthquake关系代词关系代词that连接连接替代替代成分成分主句和从主句和从句句先行先行词词主语主语1.I have a friend who/that likes listening

4、to music.2.A plane is a machine that/which can fly.3.Have you found the bike that/which you lost?4.A child whose parents are dead is called Tom.5.He knew the teacher whom/who/that we met yesterday.6.Please show me the book whose cover is red.小试牛刀小试牛刀whowhomwhichthatwhoseSummary关系代词在从句中可以：关系代词在从句中可以：

5、何时可以省略？何时可以省略？一般作宾语时可以省一般作宾语时可以省略略 如何正确选择关系代词如何正确选择关系代词?who,whom,whose,which,that 口诀口诀:前看先行词前看先行词,辩清人或物辩清人或物 后看从句里后看从句里,有无主宾语有无主宾语1.The man came to our school is Mr.Wang.2.The girl I met is Lucy.3.I like the book you bought yesterday.4.I met an old friend in the street went abroad three years ago.Pr

6、actise用适当的关系代词填空who/thatwhom/who/thatthat/whichwho/that5.I still remember the days we spent together.6.I dont like the man you just talked to.7.I have a room window faces south.8.I want to have a girlfriend is kind and beautiful.9.I have a good friend father is a manager.用适当的关系代词填空which/thatwho/that

7、/whomwhosewhosewho/that 1.1.当先行词为当先行词为all,much,little,few,none,something,all,much,little,few,none,something,anything,everything,nothinganything,everything,nothing等不定代词等不定代词时时2.2.当当先行词先行词既指人又指物既指人又指物时时4.4.主句的主语主句的主语是疑问词是疑问词who,which,whatwho,which,what 时，定语从时，定语从句用句用thatthat而不用而不用who,(whom)who,(whom)和

8、和whichwhich引导。引导。5.5.当当关系代词在从句中作关系代词在从句中作表语表语时：时：3.3.先行先行词被词被序数词或形容词最高级，或序数词或形容词最高级，或the only,the the only,the very,the lastvery,the last修饰时修饰时6.6.主句是主句是there be there be 句型且句型且关系词在从句中作主语关系词在从句中作主语时时There is a seat in the corner that is still available.There is a seat in the corner that is still ava

9、ilable.One who has nothing to fear dares to tell the truth.The ones who laugh at the disabled are not good students.Anyone who fails to finish the task should be punished.Those who want to go to The Great Wall sigh up here.先行词是先行词是one,ones,anyone,those,he时用时用who.二，只用二，只用who的情况的情况Production 定语从句三定语从句三步曲：步曲：第一第一 找出找出先行词先行词第二第二 看关系词看关系词在定语从句中的在定语从句中的 语法语法功能（做主语、功能（做主语、宾语或状语宾语或状语）第三第三 选择选择合适的关系词合适的关系词Summary