Unit 4 Friends Forever Grammar 定语从句课件-2021-2022学年高中英语外研版（2019）必修第一册

Book 1 Unit 4 Grammar 定语从句 (1) The beautiful woman who we met in the street is our biology teacher. 先行词 关系词 定语从句 被定语从句修饰的名词或代词 引导定语从句的关联词 All that we need is money. 1.定语从句:修饰一个名词或代词的从句称为定语从句,一般紧跟在它所修饰的先行词后面。 2.关系词:引导定语从句的关联词称为关系词。 关系词有关系代词、关系副词和关系形容词。关系代词有that, which, who, whom, as等;关系副词有where, when, why;关系形容词为whose. 3. 关系词常有3个作用: ① 引导定语从句;②代替先行词;③在定语从句中担当一个成分。 归纳总结 二.关系代词引导的定语从句 观察下面的句子,指出关系代词在定语从句中充当的成分 1. The book (that / which) he sent me yesterday is about Mao Zedong. 2. China is not the country that / which it used to be. 3. Our Chinese teacher is a woman who /that has two sons. 4. Mr. Liu is the person (whom/who/ that) you talked about on the bus. 5. Anyone who breaks the law should be punished. 6. There is no such thing as a free lunch in the world. 7. He sent me the same pen as she has. 8. I found the same pen that he lost yesterday. 归纳总结 关系代词代替先行词在定语从句中充当主语、宾语或表语。 关系代词在定语从句中充当宾语时可以省掉,作主语和表语时不能省。 关系代词that可以指人也可以代物,which只能代物,who/whom只能指人,who可作主语和宾语,whom只能作宾语。 先行词为anyone,someone