Unit 1 Section Ⅲ Using language—Grammar（Word教师用书）-【优化指导】2022-2023学年新教材高中英语选择性必修第一册（外研版2019）

Section Ⅲ　Using language—Grammar 非限制性定语从句 [观察] 1．(教材P2)I walk through the doors into the waiting area，where there's a familiar atmosphere of boredom and tension． 2．(教材P2)People sit uncomfortably on plastic chairs，looking through old magazines，all of which have been read hundreds of times previously． 3．(教材P2)I speak with the on­duty nurse，who tells me that Lara's parents rushed her to the hospital after she fell off her bicycle． 4．(教材P2)Scientific studies show that laughter produces chemicals to make people feel better，which means clown doctors can be helpful． [归纳] 1．句1中where引导非限制性定语从句，修饰上文的the_waiting_area。 2．句2中用了“不定代词＋of＋which”引导非限制性定语从句。 3．句3中who引导非限制性定语从句，修饰上文的nurse。 4．句4中which引导非限制性定语从句，指代前面整个主句。 非限制性定语从句是指对先行词加以描述、解释或补充说明的定语从句。它不是句中不可或缺的部分，如果去掉此从句，不会影响主句意思的完整性。在形式上，非限制性定语从句和主句之间一般有逗号隔开。 Peter，whom you met in London，is now back in Paris． 你在伦敦见过的彼得现在回巴黎了。 She led me into the front room，which served as her office． 她领我进入前厅，那儿用作她的办公室了。 1．关系代词：who，whom，which，whose(＝of whom/which)，as。 关系副词：when，where。 2．先行词及其在从句中作的成分 关系词 先行词 在从句中作的成分 who 人 主语 whom 人 宾语 which 物/整个主句 主语/宾语 whose(＝of whom或of which) 人/物 定语 as 人/物/整个主句 主语/宾语 when 时间 时间状语 where 地点 地点状语 3．that不能引导非限制性定语从句来代指人或物，而应当用who/whom指人，用which指物。指人作宾语时只能用宾格whom，不能用who替换；非限制性定语从句不能用why引导，常用for which代替why。 Tom，who married a pretty musician，has been married for ten years．(作主语) 娶了一位美丽的音乐家的汤姆结婚已经十年了。 Xiao Wang，whom they often talk about，is going to America next month．(作宾语) 他们经常谈到的小王下个月要去美国了。 Students should involve themselves in community activities，where they can gain experience for growth．(作状语) 学生应参与社区活动，从中获得成长经验。 China has the largest population all over the world，as we all know． 众所周知，中国是世界上人口最多的国家。 The president said that he didn't need any reason，for which the plan couldn't be carried out． 董事长说他不需要任何计划不能得到执行的理由。 [即学即练]　用适当的关系词填空 ①He is staying with Simon，whose house is by the sea． ②My friend，who has served on the International Olympic Committee all his life，is retiring next month． ③As we all