英语（二）

<h2>过去进行时的疑问句</h2> <p>构成：将 <strong>助动词 'Was' 或 'Were' </strong>放在主语之前。</p> <ul> <li>肯定句：She was reading a book.</li> <li>疑问句：Was she reading a book?</li> </ul> <h2>过去进行时的否定句</h2> <p>构成：在 <strong>助动词 'Was' 或 'Were'</strong> 后面加 <strong>'not'</strong>。</p> <ul> <li>肯定句：They were playing football.</li> <li>否定句：They were not playing football.</li> </ul> <h3>例题说明</h3> <p><strong>例1：</strong> 将下面的句子变成疑问句和否定句。<br> 肯定句：He was watching TV last night.<br> 疑问句：Was he watching TV last night?<br> 否定句：He was not watching TV last night.</p> <p><strong>例2：</strong> 将下面的句子变成疑问句和否定句。<br> 肯定句：We were studying for the exam.<br> 疑问句：Were we studying for the exam?<br> 否定句：We were not studying for the exam.</p>

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