什么是定语和定语从句？定语是对名词或代词起修饰、限定作用的单词、短语或句子，汉语中常用“……的”表示。单词作定语一般前置 , 句子或短语作定语则必须后置 . 句子作定语则叫定语从句 .a blue sea a handsome boy定语从句的位置 :1. 紧跟在先行词的后面 :You must do everything that I do.I have found the book which I lost.I visited the school where I studied.2. 定语从句后移 / 分隔式定语从句He laughs best who laughs last.He is the only one of the teachers who comes from Qingdao.3.as 引导的定语从句可前移As you all know,the earth is round.定语从句Join the following sentences:1. A plane is a machine. The machine can fly.A plane is can fly.A plane is can fly.a machine the machinea machine that /which关系代词实际上是先行词的复指 ,that/which 代指先行词machine 。2. The girl is Mary. We saw her yesterday.The girl is Mary.The girl is Mary.we saw her yesterdaywho/that we saw yesterday关系代词实际上是先行词的复指， who/that 代指先行词 the girl 。1. The car which my uncle had just bought was destroyed in the earthquake.2. This is the city where I was born.定义：修饰名词或代词的从句。先行词：被定语从句修饰的词。关系词 / 连接词：连接主句和定语从句的连词。引导定语从句的连接词，一定要在从句中充当成分。 关系代词 ( 作主语 / 宾语 / 表语 ):1.who/whom(that)2.which(that)3..that 不能放在介词的后面4.whose=of which 或 of whom5.as关系副词 ( 作状语 ) :1.where= 介词 + which2.when= 介词 + which3.why=for+which4.way 的特殊用法 the wayhe lives.that he lives.in which he lives.关系词的作用 :1) 连接；2) 代替先行词；3) 在定从中作成分。一、关系代词1. The number of people ____ lost homes reached as many as 250,000.A. who B. which C. where D. whenA1. who作定从的主语 / 宾语指人作主语时不可省略指代先行词2. The boy _____ we saw yesterday was John's brother.A. whom B. / C. which D. whenAB2. whom作定从的宾语指人可省...
