2017高考英语一轮语法对点讲练：7 非谓语动词
<p> 语法对点讲练七 非谓语动词</p><p> 非谓语动词有不定式、<span word="v">v</span>.<span word="ing">ing</span>形式和<span word="v">v</span>.<span word="ed">ed</span>三种形式：</p><p> 非谓语动词 时态和语态 表达意义</p><p> 不定式 一般式：<span word="to">to</span> <span word="do">do</span>/<span word="to">to</span> <span word="be">be</span> <span word="done">done</span> 动作在谓语动词后发生</p><p> 进行式：<span word="to">to</span> <span word="be">be</span> <span word="doing">doing</span> 动作与谓语动词同时发生</p><p> 完成式：<span word="to">to</span> <span word="have">have</span> <span word="done">done</span>/<span word="to">to</span> <span word="have">have</span> <span word="been">been</span> <span word="done">done</span> 动作在谓语动词之前发生</p><p> <span word="v">v</span>.<span word="ing">ing</span>形式 一般式：<span word="doing">doing</span>/<span word="being">being</span> <span word="done">done</span> 动作与谓语动词同时发生</p><p> 完成式：<span word="having">having</span> <span word="done">done</span>/<span word="having">having</span> <span word="been">been</span> <span word="done">done</span> 动作在谓语动词之前发生</p><p> <span word="v">v</span>.<span word="ed">ed</span>形式 —— 表示完成和被动</p><p> 一、非谓语动词的功能</p><p> 知识点讲解</p><p> 1．作主语和表语</p><p> 不定式作主语或表语往往是一次性的、具体的动作。常用<span word="it">it</span>作形式主语。</p><p> <span word="v">v</span>.<span word="ing">ing</span>形式作主语或表语，表示一般或抽象的多次行为。常用句式：<span word="It">It</span> <span word="is">is</span> <span word="no">no</span> <span word="use">use</span>/<span word="good">good</span> <span word="doing">doing</span> <span word="sth">sth</span>.或<span word="There">There</span> <span word="is">is</span> <span word="no">no</span> <span word="point">point</span> (<span word="in">in</span>) <span word="doing">doing</span> <span word="sth">sth</span>.</p><p> ③<span word="v">v</span>.<span word="ed">ed</span>形式不作主语，作表语时常表示主语的状态。</p><p> <span word="The">The</span> <span word="window">window</span> <span word="is">is</span> <span word="broken">broken</span>.</p><p> 2．作定语</p><p> 不定式作定语表示将来的动作；表示第几个做某事的人或物，跟在特定的名词(<span word="ability">ability</span>, <span word="chance">chance</span>, <span word="way">way</span>等)后。</p><p> <span word="He">He</span> <span word="is">is</span> <span word="always">always</span> <span word="the">the</span> <span word="first">first</span> <span word="one">one</span> <span word="to">to</span> <span word="arrive">arrive</span> <span word="at">at</span> <span word="school">school</span>.</p>
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