1、Unit 5,Nelson Mandelaa modern hero,Learning about Language,语 法 精 讲,关系副词和“介词which/whom”引导的定语从句,自 主 预 习,观察思考，观察下列句子，写出黑体词(关系代词)的先行词及在定语从句中所作的成分 The time when I first met Nelson Mandela was a very difficult period of my life. (先行词 _ ，时间状语) We have reached a stage where we have almost no rights at all.
2、(先行词 _ ，地点状语),the time,a stage,The places outside the towns where they were sent to live were the poorest parts of South Africa. (先行词 _ ，地点状语) The parts of town in which they had to live were decided by white people. (先行词 _ ，地点状语) It was in 1952 and Mandela was the black lawyer to whom I went for ad
3、vice. (先行词 _ ，宾语),the places,the parts of town,the black lawyer,合 作 探 究,1关系副词引导的定语从句,He lived in a time when the blind couldnt get much education. 他生活在一个盲人得不到教育的时期。 Can you tell me the company where he works? 你能告诉我他工作的公司吗？ This is the reason why the word belated was invented. 这就是单词belated被发明的原因。,用适当
4、的关系词填空。 (2015陕西)As the smallest child of his family, Alex is always longing for the time _ he should be able to be independent. I am looking forward to the day _ I can be admitted to a famous university. Students should involve themselves in community activities _ they can gain experience for growth
5、. It was the middle of the night _ my father woke me up and told me to watch the football game.,when,when,where,when,2介词which/whom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。关系代词只能用which或whom。先行词指物时，用which；先行词指人时，用whom。在这个结构中，介词的确定的原则是： (1)依据定语从句中动词或形容词等所需要的某种习惯搭配来确定。 Yesterday we visited the We
6、st Lake for which Hangzhou is famous. 昨天我们参观了西湖，杭州因其而出名。,(2)依据与先行词搭配的具体意义而定。 Ill never forget the time during which I spent my childhood in the country. 我永远不会忘记我在乡村度过的童年时光。 (3)根据所表达的意思来确定。 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
7、，通常用介词of。 The old woman has two sons，both of whom are doctors. 这位老太太有两个儿子，两个儿子都是医生。,1在定语从句中，有一些含介词的动词短语不可拆开使用(短语拆开后含义发生变化)，如look after, look for等。 The babies whom the nurses are looking after are very healthy.(正) The babies after whom the nurses are looking are very healthy.(误) 2关系代词和关系副词的选择： (1)明确定
8、语从句的先行词是表时间还是地点。 (2)分析句子结构，明确先行词在定语从句中所作的句子成分。 (3)分析从句中的谓语动词。及物动词后面无宾语，就必须用关系代词；而不及物动词则要用关系副词。,用适当的关系词填空 (2015浙江高考)Creating an atmosphere in _ employees feel part of a team is a big challenge. (2015重庆高考)He wrote many childrens books，nearly half of _ were published in the 1990s. English is a language shared by several diverse cultures, each of _ uses it differently.,which,which,which,
