(课件网) Unit 4 Natural Disasters Period 3 Discovering Useful Structures 在句中修饰名词或代词的成分叫定语。 They are talking about a maths problem. It is very near from here to his school. The man upstairs is a professor of Shandong University. The picture on the wall was drawn by my daughter. 课前自主预习 New words The volcano in this place erupted suddenly. erupt eruption n. The government supplied plentiful supplies to this area. supply Supply and demand 供求关系 supply offer provide provide sth to sb supply sb with sth supply sth to sb. offer sb，sth offer sth to sb 提供某人某物 Caffeine， a chemical typically found in coffee，has caused a lot of concern because it is one of the few drugs that show up regularly in our_____。 food supply Let′s play 1. Scientists say Mount Pinatubo could _____ again soon. (eruption) 2. The school provided food _____the students. erupt for 3. The cars will be supplied _____ people all over the country. 4. She offered me to a cup of tea. 5. They provided us _____all the books we need. to with 关系代词引导的定从 He is Han haolin，who plays the role of little Fanxian. 先行词 定语从句 关系代词 定语从句定义：在从句中修饰某一名词代词的从句。 一、定语从句的定义 先行词 关系词 定语从句 ＋ ＋ 指代先行词 连接主句和从句 在从句中充当成分 二、定语从句的关系代词 关系代词 先行词 在句子所做的成分 主语、宾语、表语 物 人 主语、宾语 人 人、物 主语、宾语表语 人、物 主语、宾语 宾语 人、物 定语 that which Who Whom whose as 关系代词的用法 1. that 既可指人也可指物，在定语从句中可作主语、宾 语或表语，作宾语时可省略。 The number of people _____ come to visit this city each year reaches one million. (指人，作主语) that This is the suitcase _____ she is looking for. ( that ) 2. which 指物，在定语从句中可作主语或宾语，作宾 语时可省略。 They ignored the details _____ might account for the accident. 他们忽略了那些或许可以解释事故发生原因的细节。 which (作主语) 3. who 指人，在定语从句中可作主语或宾语，作宾语 时可省略。 Ye are concerned about people _____have suffered a lot in the earthquake. Danny was the man _____we rescued from the ruins. who (作主语) (作宾语) who 4. whom 指人，在定语从句中作宾语，可省略，也可 用who代替。 Rose is the person _____you should care about. 罗丝是你应该关心的人。 (who/whom) (作宾语) 5. whose 既可指人也可指物，表“所属”关系，在定 语从句中作定语。 I know the person_____ house was totally destroyed in the earthquake. 我认识那个人，他的房子在地震中被彻底推毁了。 whose (作定语) 误区警示 ① 关系代词指代先行词在定语从句中充当主语、宾语、表语或定语，因此定语从句中不能再出现关亲代词所替代的名词或代词。 昨天晚上我们看的两部电影非常吓人 The film that /which we saw it last night was very frightening. The film (that /which) we saw last night was very frightening. ② 关亲代词在从句中作主语时不能省略，作宾语时可以省略。 Is that the girl_____ you spoke of the other day. 那就是你前几天所提的女孩吗 (whom /who/that ) 三、宜用that就不宜用 which引导定语从句的情况 1. 当先行词被序 ... ...
