circumscribed

grammar · medium

易错句子The committee's role circumscribed by strict rules.

正确表达The committee's role is circumscribed by strict rules.

在完整陈述句中，作表语的 -ed 形容词 circumscribed 必须与 be 动词连用；汉语形容词谓语句常不用“是”，学习者容易漏掉 is。补上 is 后句子才有完整谓语。

grammar · medium

易错句子The committee's role is circumscribed from strict rules.

正确表达The committee's role is circumscribed by strict rules.

circumscribed 表示“受……限制”时，用 by 引出限制者或限制手段；from 表示来源或分离，不能标记限制者。因此要把 from 改为 by。

grammar · medium

易错句子The circumscribed role by strict rules is difficult to change.

正确表达The role circumscribed by strict rules is difficult to change.

circumscribed 带有 by 短语时，整个“circumscribed by...”分词短语应后置修饰名词，不能把中心词插在形容词和它的 by 补足语之间；汉语“受严格规则限制的角色”把修饰语放在名词前，容易造成这种错位。