( 十一 ) 定语从句一、关系代词引导的定语从句 关系代词 who ， whom ， whose ， which ， that 引导定语从句 时，可在从句中作主语、宾语、定语等句子成分。 who代指 人，作主语或宾语； whom 代指人，作动词宾语或介词宾 语； whose 代指人 ( ＝ of whom) 或物 ( ＝ of which) ，作定语； which 代指物，作主语或宾语； that 代指人或物，作主语、宾 语或表语。 This is the detective who came from London. The book which/that I am reading is written by Thomas Hardy. The desk whose leg is broken is very old. He is no longer the boy that he used to be two years ago. 使用关系代词时应注意以下几点： (1)“ 介词＋关系代词”可以引导定语从句，但关系代词只可用 whom 或 which ，不可用 who 或 that 。The room in which there is a machine is a workshop.In the dark street ， there wasn’t a single person to_whom she could turn for help.(2)“whose ＋ n.” 引导定语从句时，可换成“ the ＋ n. ＋ of whom/which” 或“ of which ＋ the ＋ n.” 。He lives in a big house whose window faces the sea.He lives in a big house the window of which faces the sea.He lives in a big house of which the window faces the sea.(3)which 引导的定语从句还可修饰前面整个主句，此时 which 相当于 and this 。He succeeded in the competition ， which made his parents very happy. The weather turned out to be very good ， which was more than we could expect.【注】判断定语从句用什么引导词的关键是看先行词在从句中 作什么成分。 I’ll never forget the day that/which I spent with you on the farm.( 先行词 the day 作 spent 的宾语： I spent the day with you on the farm.) I’ll never forget the day when I worked together with you on the farm.( 先行词 the day 在从句中作状语： I worked together with you on the farm on that day.) He works in the factory which makes color TV sets.( 先行词 the ...
