Period 3 Grammar & Writing 定语从句(Ⅰ) 导图助记 ( 一 ) 定义在复合句中修饰名词或代词的从句叫定语从句。被修饰的名词或代词叫先行词。As a general rule, the most successful man in life is the man who has the best information. 一般说来，生活中最成功的人是获得最佳信息的人。 ( 二 ) 分类根据定语从句与先行词的关系是否密切，它可被分为限制性定语从句和非限制性定语从句两种。限制性定语从句是句中不可缺少的组成部分，主句和从句之间不用逗号分开。非限制性定语从句是对主句先行词的补充说明，没有这个从句，不影响主句意思的完整，主句和从句之间一般用逗号分开。We're going to do something that's never been done before. 我们要做以前从未做过的事。 ( 限制性定语从句 )I have lost the pen, which I like very much. 我丢了那支钢笔，我非常喜欢它。 ( 非限制性定语从句 ) ( 三 ) 关系代词1 ．引导限制性定语从句的关系代词 指代对象指代人指代物 主语who, thatwhich ， that 宾语whom, thatwhich, that 定语whosewhoseThe doctor whom/that you are looking for is in the room.你正找的那位医生在房间里。 ( 指人，作宾语 )A man who/that is perfectly pleased with the present state of things is a failure. 完全满足于现状的人是个失败者。 ( 指人，作主语 )Do you know the man whose name is Wang Bing?你知道那个叫王兵的人吗？ ( 指人，作定语 )The building which/that stands near the river is our school. 河边矗立的那座建筑物是我们的学校。 ( 指物，作主语 ) Is this the book which/that she was looking for?这是她正在找的那本书吗？ ( 指物，作宾语 )The building whose windows face south was built last year. 那栋窗户朝南的楼房是去年建的。 ( 指物，作定语 )注意： whom, which 作介词的宾语时，介词一般可放在 whom/which 之前，也可放在从句原来的位置上；但在含有介词的动词词组中，介词只能放在原来的位置上。The room in which there is a machine is the workshop.有机器的那间房是车间。This is the person whom you are looking for.这是你正在找的那个人。 2 ．引导非限制性定语从句的关系代...
