英语作为一门语言，语法是非常重要的。正确地划分语句结构是我们理解和使用英语的基础。下面是几个例句，让我们来看看哪些是划分正确的。
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She is reading a book.
- 划分正确：主语She、谓语is reading、宾语a book。
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Walking in the park, the birds sang sweetly.
- 划分错误：句子没有明确的主语，导致语句意思不清楚。
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After finishing her homework, Jane watched TV.
- 划分正确：时间状语After finishing her homework、主语Jane、谓语watched、宾语TV。
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Although he studied hard, he failed the exam.
- 划分正确：让步状语Although he studied hard、主语he、谓语failed、宾语the exam。
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Running late for the meeting, his phone rang.
- 划分错误：句子没有明确的主语，导致语句意思不清楚。
正确划分语句结构是我们理解英语的基础，帮助我们更准确地表达自己的思想。希望这些例句能够帮助大家更好地掌握语法知识。
