一、错误判断先行词1.先行词的错误判断导致定语从句中的主谓不一致误:He is the only one of the students who are from Beijing.正:He is the only one ofthe students who is from Beijing.【解析】本句的错误在于,把the students当成了先行词,事实上先行词应该是the only one。所以,定语从句中的谓语动词应该用单数。2.先行词的错误判断导致关系词的错误使用 First, the misjudgment of the antecedent 1. Anacardic prejudices leading to the wrong judgment led to the inconsistency between the subject and the main error: He is the only one of the students who are from Beijing. [Analysis] The error of this sentence is that the students as an antecedent, in fact, the antecedent should be the only one. Therefore, the predicate verb in the attributive clause should be singular. 2. The misjudgment of the antecedent leads to the incorrect use of the relational word