英语写作

<div> <h2>疑问代词的时态变化</h2> <p>疑问代词在句子中可能会因为时态的变化而发生形式上的改变，但其基本用法保持不变。主要的疑问代词有：who, whom, whose, what 和 which。</p> <h3>现在时态</h3> <p>在现在时态中，疑问代词的使用较为直接：</p> <pre> Who is the best player in your team? What time does the train leave? </pre> <h3>过去时态</h3> <p>在过去的时态中，疑问代词的使用同样简单，只是需要将动词形式变为过去式：</p> <pre> Who was the captain of the team last year? Whose book was left on the desk? </pre> <h3>将来时态</h3> <p>将来时态中，疑问代词通常与助动词will或shall结合使用：</p> <pre> Who will be the next president? What will you do after graduation? </pre> <h3>进行时态</h3> <p>进行时态中，疑问代词与动词的ing形式结合使用：</p> <pre> Who is talking to the manager? What are they doing in the classroom? </pre> <h3>完成时态</h3> <p>完成时态中，疑问代词与have或has及过去分词结合使用：</p> <pre> Who has finished the homework? Whose report had been submitted before the meeting? </pre> </div>

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