引导定语从句的关联词that、which在修饰先行词(名词)时,一般可以换用,如: 1.The clock is an instrument that(=which)can tell us time. 2.On the way home my father told me of an incident that The related words that guide the attributive clause that, when used to modify the antecedent (noun), can generally be used, such as: 1. The clock is an instrument that (=which) can tell us time. 2.On the way home my father told Me of an incident that