Unit 5 Nelson Mandela—a modern heroSection Ⅲ Grammar——定语从句(Ⅱ)[思维导图][语法精讲]一、关系副词引导的定语从句关系副词先行词功能when表示时间的名词时间状语where表示地点的名词地点状语whyreason原因状语1.when 表示时间,引导的从句修饰时间名词,在定语从句中作时间状语。I'll never forget the time when we worked on the farm.我将永远不会忘记我们在农场工作的时光。2.where 表示地点,引导的从句修饰地点名词,where 在定语从句中作地点状语。The hotel where we stayed was very clean.我们住的那个旅馆很干净。3.why 表示原因,其先行词一般是 reason,在定语从句中作原因状语。The reason why he was late was that he missed his train.他迟到的原因是他错过了火车。二、“介词+关系代词”引导的定语从句当关系代词在定语从句中作介词的宾语时,我们通常用“介词+关系代词”引导定语从句。如果指“人”,用“介词+whom”。如果指“物”,用“介词+which”;关系代词有时也用whose(作定语)。选用介词的依据:1.根据定语从句中谓语动词的搭配习惯(即固定短语)。1Yesterday we visited the West Lake for which Hangzhou is famous.昨天我们参观了西湖,杭州因其而出名。(be famous for“因……而出名”)2.根据先行词的搭配习惯(约定俗成,不一定是短语)。This is the camera with which he often takes photos.这就是他经常用来拍照的相机。(with camera“用照相机”)The boss in whose company Mr King worked heard about the accident.金先生所工作的公司的老板听到了这起事故。(in the boss' company)3.根据句子的意思来选择。The colorless gas without which we cannot live is called oxygen.这种无色的、离了它我们就无法生存的气体是氧气。4.表示“所有”关系或“整体中的一部分”时,通常用介词 of。I have about 10 books, half of which were written by Mo Yan.我大约有 10 本书,其中一半是莫言写的。[名师点津] 在定语从句中,有一些含介词的动词短语不可拆开使用,如 look after, look for 等不能把介词移至 which 或 whom 之前。Ⅰ.用正确的关系词或“介词+关系代词”填空1.I still remember the day when/on_which this country became independent.2.The hou...