Period 4 Grammar【学习目标】掌握定语从句的基本含义,初步理解由关系代词 that,which,who,whose 引导的定语从句的用法【知识导学】仔细观察下列句子,并注意画线部分的用法。The man who was here yesterday is a painter.昨天在这里的那个人是位画家。(who 作主语) The man who I saw is called Smith.我见到的那个人名叫史密斯。(who 作宾语,亦可省略) A letter that is written in pencil is difficult to read.用铅笔写的信很难读。(that 作主语,指物) Is he the man that sells eggs?他是卖鸡蛋的那个人吗?(that 作主语,指人) 自我归纳:在复合句中,修饰或限定某一名词或代词的从句叫“(1) ”。主句中被定语从句修饰的词叫“(2) ”。【知识运用】1.A plane is a machine that can fly. that 在句中作____,指____.2.The noodles (that) I cooked were delicious. that 在句中作_____,指____3.Who is the man that is reading a book over there? that 在句中作____,指____4.They planted some trees which didn’t need much water. which 在句中作____,指____5.The boy who broke the window is called Tom. who 在句中作____,指____6.The man(whom)I visited yesterday was my classmate. whom 在句中作______,指_______7.He has written a book whose name I’ ve forgotten. whose 在句中作____,指____【三“点”探究】1. 定语从句的定义定语从句在句中相当于一个形容词,起定语的作用,修饰说明名词、代词或主句的全部内容,通常在被修饰的词语之后, 由关系词引导。2.有关定语从句的几个术语:先行词:被定语从句修饰的名词或代词称为先行词。关系词:分为关系代词和关系副词。关系代词:引导定语从句的代词称为关系代词,如:that,which, who, whom, whose。关系副词:引导定语从句的副词称为关系副词。如:where, when, why。 3.关系词的作用:① 连接功能:连接从句引导一个定语从句。② 指代功能:指代先行词。③ 语法功能:在定语从句中充当句子成分。注意:1)关系代词或关系副词在定语从句中担任句子成分。2)当关系代词在定语从句中担任主语时,定语从句中谓语动词的形式与先行词一致。3)关系代词在定语从句中作宾语时可以省略。 4.关系代词在定语从句中所充当的成分:●who, whom, th...