被动语态
被动语态的构成形式
重要程度：9 分
<div>
<h2>被动语态的构成形式</h2>
<p>被动语态是一种用来表示主语是动作承受者的句式结构。在英语中，被动语态通常由助动词"be"加上过去分词构成。</p>
<ul>
<li><strong>一般现在时：</strong> am/is/are + 过去分词</li>
<li><strong>一般过去时：</strong> was/were + 过去分词</li>
<li><strong>现在完成时：</strong> have/has been + 过去分词</li>
<li><strong>过去完成时：</strong> had been + 过去分词</li>
<li><strong>一般将来时：</strong> will/shall be + 过去分词</li>
<li><strong>过去将来时：</strong> would/should be + 过去分词</li>
</ul>
<h3>举例说明</h3>
<p>以下是一些具体的例子来帮助理解被动语态的构成形式：</p>
<table>
<tr>
<th>时态</th>
<th>主动语态</th>
<th>被动语态</th>
</tr>
<tr>
<td>一般现在时</td>
<td>They write the book.</td>
<td>The book is written by them.</td>
</tr>
<tr>
<td>一般过去时</td>
<td>He taught us English.</td>
<td>We were taught English by him.</td>
</tr>
<tr>
<td>现在完成时</td>
<td>They have finished the work.</td>
<td>The work has been finished by them.</td>
</tr>
<tr>
<td>过去完成时</td>
<td>She had cleaned the room.</td>
<td>The room had been cleaned by her.</td>
</tr>
<tr>
<td>一般将来时</td>
<td>They will build a new library.</td>
<td>A new library will be built by them.</td>
</tr>
<tr>
<td>过去将来时</td>
<td>They would teach us math.</td>
<td>We would be taught math by them.</td>
</tr>
</table>
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