名词性从句中的易错点 (一) that引导的定语从句与同位语从句 定语从句与前面的的名词是修饰与被修饰的关系,“„„的名词”,而同位语从句是用来说明前面名词的内容。与that从句同位的名词必须是一些表示事实或概念的抽象名词,如fact,news,belief,truth,reply等。That在定语从句中必须作成分,可用which或who/whom代替,而that在同位语从句中不充当任何句子成分,只起连接作用。如: ①Along with the letter was his promise that he would visit me this coming Christmas. ②Do you still remember the chicken farm that we visited three months ago. 解析:在句①中,that引导同位语从句解释说明promise的内容,that不充当任何句子成分,只起连接作用,而在句②中,that在其引导的定语从句中作动词visited的宾语,对先行词the chicken farm起修饰作用。