小升初英语 数词的用法小结
<p>&<span word="nbsp">nbsp</span>;</p><p> 【小编寄语】今天英语网小编教给同学们的是小升初英语 数词的用法小结，一起来学习下吧!祝同学们学习进步!</p><p> 表示数目多少或顺序多少的词叫数词，数词分为基数词和序数词。表示数目多少的数词叫基数词;表示顺序的数词叫序数词。</p><p> 一、基数词</p><p> 1)基数词写法和读法： 345 <span word="three">three</span> <span word="hundred">hundred</span> <span word="and">and</span> <span word="forty">forty</span>-<span word="five">five</span>;</p><p> 2)基数词一般是单数形式，但下列情况，常用复数：</p><p> <span word="a">a</span>. 与<span word="of">of</span> 短语连用，表示概数，不能与具体数目连 用，如<span word="scores">scores</span> <span word="of">of</span> <span word="people">people</span> 指许多人;</p><p> <span word="b">b</span>. 在一些表示"一排"或"一组"的词组里;</p><p> 如：<span word="They">They</span> <span word="arrived">arrived</span> <span word="in">in</span> <span word="twos">twos</span> <span word="and">and</span> <span word="threes">threes</span>. 他们三三两两的到达了。</p><p> <span word="c">c</span>. 表示"几十岁";</p><p> <span word="d">d</span>. 表示"年代"，用 <span word="in">in</span> +<span word="the">the</span> +数词复数;</p><p> <span word="e">e</span>. 在乘法运算的一种表示法里，如：3 <span word="x">x</span> 5 = 15 <span word="Three">Three</span> <span word="fives">fives</span> <span word="is">is</span> (<span word="are">are</span>) <span word="fifteen">fifteen</span>.</p><p> 二、序数词</p><p> 序数词的缩写形式： <span word="first">first</span>---1<span word="st">st</span> <span word="second">second</span>---2<span word="nd">nd</span> <span word="thirty">thirty</span>-<span word="first">first</span>---31<span word="st">st</span></p><p> 三、 数词的用法</p><p> 1)倍数表示法</p><p> <span word="a">a</span>. 主语+谓语+倍数(或分数)+ <span word="as">as</span> + <span word="adj">adj</span>. + <span word="as">as</span></p><p> <span word="I">I</span> <span word="have">have</span> <span word="three">three</span> <span word="times">times</span> <span word="as">as</span> <span word="many">many</span> <span word="as">as</span> <span word="you">you</span>. 我有你三倍那么多。</p>
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