小升初英语语法大全：冠词
<p> 冠词是一种虚词，不能独立使用，通常放在名词的前面，分为不定冠词和定冠词两种。</p><p> 1、不定冠词：<span word="a">a</span>、<span word="an">an</span>。</p><p> 用在单数名词前，表示一个，一件。<span word="an">an</span>用在以元音音素开头的单词前。</p><p> 如：<span word="an">an</span> <span word="e">e</span>-<span word="mail">mail</span>, <span word="an">an</span> <span word="orange">orange</span>, <span word="an">an</span> <span word="old">old</span> <span word="man">man</span>, <span word="an">an</span> <span word="English">English</span> <span word="watch">watch</span>, <span word="an">an</span> <span word="hour">hour</span></p><p> 2、定冠词：<span word="the">the</span>。用在单数或者复数名词前。<span word="the">the</span>没有具体意思，有时翻译为这、那。</p><p> 它的基本用法：</p><p> (1)用来表示特指某(些)人或某(些)事物。如：<span word="The">The</span> <span word="map">map</span> <span word="on">on</span> <span word="the">the</span> <span word="wall">wall</span> <span word="is">is</span> <span word="new">new</span>.</p><p> (2)表示说话者双方都知道的人或事物。如：<span word="Look">Look</span> <span word="at">at</span> <span word="the">the</span> <span word="picture">picture</span>, <span word="please">please</span>.</p><p> (3)表示再次提到前面谈过的人或事物。如：<span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="stamp">stamp</span>. <span word="The">The</span> <span word="stamp">stamp</span> <span word="is">is</span> <span word="beautiful">beautiful</span>.</p><p> (4)用在表示世界上独一无二的事物前。如：<span word="the">the</span> <span word="sun">sun</span>太阳 <span word="the">the</span> <span word="moon">moon</span>月亮 <span word="the">the</span> <span word="earth">earth</span>地球</p><p> (5)用在由普通名词构成的专有名词前。如：<span word="the">the</span> <span word="Great">Great</span> <span word="Wall">Wall</span>长城</p><p> (6)用在江河、湖海等专有名词前。如：<span word="the">the</span> <span word="Changjiang">Changjiang</span> <span word="River">River</span>长江</p><p> (7)此外，序数词、形容词最高级、乐器名称等词前面和一些习惯用语中一般都用定冠词<span word="the">the</span>。</p><p> 如：<span word="the">the</span> <span word="first">first</span> <span word="day">day</span>, <span word="the">the</span> <span word="best">best</span> <span word="boy">boy</span>, <span word="play">play</span> <span word="the">the</span> <span word="piano">piano</span>, <span word="in">in</span> <span word="the">the</span> <span word="same">same</span> <span word="class">class</span></p>
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