• c. He lives in another town, which is only about an hour’s ride from here. • d. Soon they arrived at a farmhouse, in front of which sat a small boy. • e. They set up a separate state of their own, where they would be free to keep Negroes as slaves. 注意：引导非限制性定语从句的关系代词 不可用that，指人时用who(主语),whom (宾语)，指物时须用which.
Harry Porter is a boy who has magic power.
先行词 关系词
关系代词
定语从句 关系副词 where, when， why
which, who, whom, whose, that
二、用法:
关系代词:
引导定语从句的关系代词
who whom
whose
先 行 词 是 人
• 关系副词when和why用于引导限制性 定语从句时，在口语和非正式文体中 可以省去，但是where通常不可以省去 。如： a. Be sure to call on us next time (when) you come to town. b. This is one of the reasons (why) you may like to eat it.
2. 非限制性定语从句和先行词关系松散， 只是对先行词作附加说明，如果省去，主 句的意思仍然完整或清楚。这种定语从句 __________ 和主句之间须用逗号隔开。如： ___________________ a. Abraham Lincoln, who led the United States through these years, was murdered on April 14, 1865. b. He sent a special governor, a man named Gessler, who would rule with a firm hand.
