从零开始学语法：助动词的用法
<p> 常见的助动词有：</p><p> <span word="be">be</span>(无词义)，<span word="do">do</span>(无词义)，<span word="have">have</span>(无词义)，<span word="shall">shall</span> 将要，<span word="will">will</span> 将要。</p><p> 一、<span word="be">be</span> 的助动词用法</p><p> <span word="be">be</span> 作为助动词，用来构成进行时态和被动语态。如：</p><p> <span word="We">We</span> <span word="are">are</span> <span word="working">working</span> <span word="hard">hard</span> <span word="in">in</span> <span word="the">the</span> <span word="garden">garden</span>.(构成现在进行时)</p><p> 我们在花园里辛勤劳动。</p><p> <span word="The">The</span> <span word="house">house</span> <span word="was">was</span> <span word="painted">painted</span> <span word="purple">purple</span>.(构成被动语态)</p><p> 房子被刷成紫色的。</p><p> 二、<span word="do">do</span> 的助动词用法</p><p> <span word="do">do</span> 作为助动词，用来构成疑问句、否定句、强调句。如：</p><p> <span word="Do">Do</span> <span word="you">you</span> <span word="live">live</span> <span word="in">in</span> <span word="Shanghai">Shanghai</span>?(构成疑问句)</p><p> 你住在上海吗?</p><p> <span word="I">I</span> <span word="dont">dont</span> <span word="like">like</span> <span word="to">to</span> <span word="have">have</span> <span word="hamburgers">hamburgers</span>.(构成否定句)</p><p> 我不喜欢吃汉堡包。</p><p> <span word="Do">Do</span> <span word="come">come</span> <span word="please">please</span>.(构成强调句)</p><p> 一定要来。</p><p> 三、<span word="have">have</span> 的助动词用法</p><p> <span word="have">have</span> 作为助动词，用来构成完成时态。如：</p><p> <span word="Have">Have</span> <span word="you">you</span> <span word="finished">finished</span> <span word="the">the</span> <span word="work">work</span>?(构成现在完成时)</p><p> 你的工作完成了没有?</p><p> 四、<span word="shall">shall</span> 和 <span word="will">will</span> 的助动词用法</p><p> <span word="shall">shall</span> 和 <span word="will">will</span> 作为助动词，用来构成将来时态。如：</p><p> <span word="I">I</span> <span word="will">will</span> <span word="call">call</span> <span word="you">you</span> <span word="this">this</span> <span word="evening">evening</span>.(构成一般将来时)</p>
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