一般现在时
一般现在时的疑问句和否定句构成
重要程度:8 分
<div>
<h2>一般现在时的疑问句和否定句构成</h2>
<p><strong>1. 疑问句构成:</strong></p>
<ul>
<li>当主语是第三人称单数(he, she, it)时,需要在谓语动词前加助动词 <code>does</code>。</li>
<li>对于其他主语(I, you, we, they),直接在谓语动词前加助动词 <code>do</code>。</li>
</ul>
<p>示例:</p>
<ul>
<li>He <code>studies</code> English every day. → <code>Does</code> he study English every day?</li>
<li>I <code>work</code> in a company. → Do I work in a company?</li>
</ul>
<p><strong>2. 否定句构成:</strong></p>
<ul>
<li>当主语是第三人称单数(he, she, it)时,在谓语动词前加助动词 <code>does not</code> 缩写为 <code>doesn't</code>。</li>
<li>对于其他主语(I, you, we, they),在谓语动词前加助动词 <code>do not</code> 缩写为 <code>don't</code>。</li>
</ul>
<p>示例:</p>
<ul>
<li>She <code>likes</code> reading books. → She <code>doesn't like</code> reading books.</li>
<li>We <code>have</code> a meeting tomorrow. → We <code>don't have</code> a meeting tomorrow.</li>
</ul>
</div>