Unit 7 语法与写作 2022-2023学年沪教牛津版英语九年级上册

9A Unit 7 语法与写作 语法-【定语从句】 (1) 概念: 定语是用来修饰名词或代词的。 The black bike is mine. I have something to do. 定语从句是在复合句中,修饰某一名词或代词的从句,一般放到被修饰词后面。 The person (who wrote the novel ) was Mark Twain. 先行词:被定语从句修饰的词 关系词 :引导定语从句的词(一般紧跟在先行词之后) (2) 关系词 1. 关系代词:起着代词和连词的作用。常见的关系代词有that,who,which,whom,whose等。 1)先行词是人 His father is the person who/that will be most unhappy. 关系词在从句中作主语,只能用who/that Tom is the boy (who/whom/that) we saw in the shop. 关系词在从句中作宾语,who/whom/that都可用,可省略 She is the girl with whom I went there. 关系词在从句中作介词的宾语,只能用whom The girl whose English is very good won the first place in the 100-metre race. 关系词在从句中作定语,用whose,表示谁的, 2)先行词是物 The car which/that my uncle bought last week was stolen. 关系词在从句中作宾语,that和which都可用 The photo (which/that) we liked best was taken by Zhao Min. 关系词在从句中作宾语,可省略 The house whose roof needs repairing is only three years old. 关系词在从句中作定语,用whose,表示谁的 注意:以下情况只能用that,不用which。 a. 先行词被序数词或形容词最高级所修饰,或本身是序数词、形容词最高级 b. 先行词为all, any, much, many, everything, anything, none, the one等不定代词