小升初英语语法大全：动词
<p> 这里所说的动词是指各种动词总称，其中包括<span word="be">be</span>动词、情态动词、助动词、行为动词。</p><p> 1、<span word="be">be</span>动词( <span word="am">am</span>, <span word="is">is</span>, <span word="are">are</span>, <span word="was">was</span>, <span word="were">were</span> )</p><p> 1)<span word="amwas">amwas</span>, <span word="is">is</span> <span word="was">was</span>, <span word="are">are</span>--<span word="were">were</span> 口诀：我用<span word="am">am</span>, 你用<span word="are">are</span>, <span word="is">is</span>用在他她它，所有复数全用<span word="are">are</span>。</p><p> 2)肯定和否定句 <span word="I">I</span> <span word="am">am</span> (<span word="not">not</span>) <span word="from">from</span> <span word="London">London</span>. <span word="He">He</span> <span word="is">is</span>(<span word="not">not</span>) <span word="a">a</span> <span word="teacher">teacher</span>. <span word="She">She</span> <span word="is">is</span>(<span word="not">not</span>) <span word="in">in</span> <span word="the">the</span> <span word="dining">dining</span> <span word="room">room</span>. <span word="My">My</span> <span word="hair">hair</span> <span word="is">is</span>(<span word="not">not</span>) <span word="long">long</span>. <span word="Her">Her</span> <span word="eyes">eyes</span> <span word="are">are</span>(<span word="not">not</span>) <span word="small">small</span>.</p><p> 3)一般疑问句 <span word="Am">Am</span> <span word="I">I</span> <span word="a">a</span> <span word="Chinese">Chinese</span>? <span word="Yes">Yes</span>, <span word="you">you</span> <span word="are">are</span>. <span word="No">No</span>, <span word="you">you</span> <span word="arent">arent</span>. <span word="Are">Are</span> <span word="they">they</span> <span word="American">American</span>? <span word="Yes">Yes</span>, <span word="they">they</span> <span word="are">are</span>. <span word="No">No</span>, <span word="they">they</span> <span word="arent">arent</span>. <span word="Is">Is</span> <span word="the">the</span> <span word="cat">cat</span> <span word="fat">fat</span>? <span word="Yes">Yes</span>, <span word="it">it</span> <span word="is">is</span>. <span word="No">No</span>, <span word="it">it</span> <span word="isnt">isnt</span>.</p><p> 4)<span word="be">be</span>动词的否定形式：<span word="am">am</span> <span word="not">not</span>(没有缩写形式)，<span word="are">are</span> <span word="not">not</span> = <span word="arent">arent</span> ，<span word="is">is</span> <span word="not">not</span> = <span word="isnt">isnt</span> 。</p><p> 2、助动词( <span word="do">do</span>, <span word="does">does</span>, <span word="did">did</span> )</p><p> <span word="do">do</span>, <span word="does">does</span>用于一般现在时，其过去式<span word="did">did</span>用于一般过去时。它们通常用在疑问句和否定句中。它们的否定形式：<span word="do">do</span> <span word="not">not</span> = <span word="dont">dont</span>, <span word="does">does</span> <span word="not">not</span> = <span word="doesnt">doesnt</span>, <span word="did">did</span> <span word="not">not</span> = <span word="didnt">didnt</span>。</p><p> 注意：在一般现在时中，<span word="does">does</span>用于第三人称单数，其余一律用助动词<span word="do">do</span>;助动词<span word="do">do</span>, <span word="does">does</span>, <span word="did">did</span>后面一定要用动词原形。</p><p> 3、情态动词</p><p> 情态动词也是一类特殊的动词，平时我们不把它说成是动词。情态动词可以和行为动词同时出现在同一个句子中。</p><p> 我们现在学过的情态动词有：<span word="can">can</span>、<span word="could">could</span>、<span word="shall">shall</span>、<span word="should">should</span>、<span word="will">will</span>、<span word="would">would</span>、<span word="may">may</span>、<span word="might">might</span> 、<span word="must">must</span>。</p>
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