定语从句定义 在句子中起形容词作用的主谓结构，修 饰它前面的名词或代词，即它的先行词 。一、两种关系词 1. 关系代词：who, whom （代人）, which （代物）, that, whose （代人或 物） 注：关系代词的数要和先行词一致，它的 格取决于它在从句中充当的成分。 a. All that glitters is not gold. ( 主语) Those who do not work must not eat. ( 主 语) b. He is the man whom we all respect. ( 宾 语) c. The girl to whom we talked just now is an American. ( 介词宾语) d. Edison is a great inventor whose fame is world-wide. ( 定语) e. Jack imagined himself to be an artist, which he was not. ( 关系代词在从句中作主语 补语时常用which.) Note ；先行词前有限定词all
