初中定语从句课堂讲解课件 (2)VIP免费

The Attributive Clause定语从句1.The man is a worker.2.The man is speaking at the meeting.合并句子 : The man who is speaking at the meeting is a worker.概念 : 在复合句中修饰名词或代词 的句子 . (Attributive clause)Mary is a beautiful girl.Mary is a girl who has long hair.形容词作定语句子作定语 , 修饰 girl, 叫做定语从句Mary is a girl.Mary has long hair.合并为一个句子Mary is a girl who has long hair.先行词关系词定语从句Mary is a girl who has long hair.关系代词关系副词which, who, whom, whose, thatWhere, when关系词作用 1. 代替先行词 ; 2. ２．它还在定语从句中担任一定的成分 ; 3. 同时连接先行词与它引导的定语从句。 （把主句和从句连起来） 关系代词在定语从句中代替主句中的先行词，所以它在一般情况下都跟在先行词之后，而且它的 人称、数必须和先行词一致。 关系词判 断 步 骤 : 首先，要看先行词。 如果先行词是指人 , 关系代词 可用 who,that,whom,whose 。如果先行词指物 , 关系 代词可用 which 或 that; 然后，要确定关系词在从句中的成分。请看下表先行词 主格 宾格 所有格 人who,thatwho(m),that whose 物which,thatwhich,thatwhose,of which 最后，定语从句谓语动词和先行词一致 . 注 : 定语从句的时态不受主句的限制。 The woman who/that spoke at the meeting yesterday is my mother. ( 主句 )The woman is my mother.( 叙述客观事实 用一般现在时 ) ( 从句 )The woman (who/that) spoke at the meeting yesterday. ( 句中 yesterday 表示过去时间 ) 定语从句的用法 :当先行词是物时 , 用 which 或 that 引导 .These are the trees which were planted last year.当先行词是人时 , 用 who, whom, whose, that 引导 .who, whom, whose, that 用法区别 .who 作定语从句的主语或宾语 . The man who is speaking at the meeting is a worker.The man is a worker.The man is speaking at the meeting.分解作主语the tallthe strong the cleverboyThe boy is Tom.The boy who is tall is Tom.The boy who is strong is TomThe boy who...