学员疑问:句子“Walking through the park, the flowers smelled sweet.”答案说逻辑错误,但我不理解问题在哪。
老师解答:现在分词短语“Walking through the park”需与主句主语构成逻辑关联。原句主语是“the flowers”(花),但花不能自己行走,形成“悬垂结构”。应改为:“Walking through the park, I smelled the sweet flowers.” 或 “As I walked through the park, the flowers smelled sweet.”
点评分析: 此错误揭示学员对非谓语动词隐含主语的忽视。核心原则:分词短语动作发出者必须是主句主语。若主句主语无法执行分词动作(如“花走路”),则不符合英语语法逻辑。写作中此类错误会导致扣分严重,需建立“分词→找动作执行者→匹配主语”的三步核查法。特殊例外如“Generally speaking”(固定表达)可不遵循此规则,但考题中99%需严格遵守。