过去进行时
过去进行时的用法
重要程度：9 分
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<h2>过去进行时的用法</h2>
<p><strong>1. 表示在过去某一时刻或某段时间正在进行的动作：</strong></p>
<p>结构：was/were + 动词的现在分词</p>
<p><em>例如：</em></p>
<ul>
<li>She <strong>was reading</strong> a book at 8 o'clock last night.</li>
<li>They <strong>were playing</strong> football when I arrived.</li>
</ul>
<p><strong>2. 表示在过去某段时间内持续进行的动作：</strong></p>
<p><em>例如：</em></p>
<ul>
<li>I <strong>was studying</strong> English for two hours yesterday evening.</li>
<li>He <strong>was working</strong> in the garden all afternoon.</li>
</ul>
<p><strong>3. 与一般过去时连用，表示在过去某个时间点之前已经开始并延续到该时间点的动作：</strong></p>
<p><em>例如：</em></p>
<ul>
<li>When I got home, my sister <strong>was watching</strong> TV.</li>
<li>By the time he finished his homework, it <strong>was getting</strong> dark.</li>
</ul>
<p><strong>4. 表示在过去某段时间内的习惯性或重复性的动作：</strong></p>
<p><em>例如：</em></p>
<ul>
<li>During my childhood, I <strong>was always playing</strong> with my friends after school.</li>
<li>In those days, we <strong>were often going</strong> to the movies on weekends.</li>
</ul>
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