中考英语不定冠词的用法
<p> (1) <span word="a">a</span>用在子音前; <span word="an">an</span>用在母音前。</p><p> <span word="An">An</span> <span word="hour">hour</span></p><p> (2) 表同种类的全体, 此时<span word="a">a</span>带有<span word="any">any</span>的意味。</p><p> <span word="A">A</span> <span word="dog">dog</span> <span word="is">is</span> <span word="a">a</span> <span word="faithful">faithful</span> <span word="animal">animal</span>. (=<span word="Dogs">Dogs</span> <span word="are">are</span> <span word="faithful">faithful</span> <span word="animals">animals</span>.)</p><p> (3) 等于<span word="one">one</span>。</p><p> <span word="I">I</span> <span word="have">have</span> <span word="a">a</span> <span word="sister">sister</span> <span word="and">and</span> <span word="two">two</span> <span word="brothers">brothers</span>.</p><p> (4) 等于<span word="the">the</span> <span word="same">same</span>.</p><p> <span word="Birds">Birds</span> <span word="of">of</span> <span word="a">a</span> <span word="feather">feather</span> <span word="flock">flock</span> <span word="together">together</span>.</p><p> (5) 等于<span word="per">per</span>每一......。</p><p> <span word="We">We</span> <span word="work">work</span> <span word="eight">eight</span> <span word="hours">hours</span> <span word="a">a</span> <span word="day">day</span>. <span word="Ninety">Ninety</span> <span word="miles">miles</span> <span word="an">an</span> <span word="hour">hour</span>.</p><p> (6) <span word="a">a</span> = <span word="a">a</span> <span word="certain">certain</span>, 表说话者不认识此人。</p><p> <span word="Do">Do</span> <span word="you">you</span> <span word="know">know</span> <span word="a">a</span> <span word="Mr">Mr</span>. <span word="Smith">Smith</span>?</p><p> (7) 物质名词或抽象名词加<span word="a">a</span> (<span word="an">an</span>)即成普通名词，</p><p> <span word="Asparagus">Asparagus</span> <span word="is">is</span> <span word="a">a</span> <span word="grass">grass</span>. (<span word="a">a</span> = <span word="a">a</span> <span word="kind">kind</span> <span word="of">of</span>).</p><p> <span word="This">This</span> <span word="is">is</span> <span word="a">a</span> <span word="good">good</span> <span word="cloth">cloth</span> <span word="for">for</span> <span word="summer">summer</span>.</p><p> (8) <span word="have">have</span> (<span word="or">or</span> <span word="take">take</span>) <span word="a">a</span> 抽象名词，与抽象名词的动词形同义。</p><p> <span word="Let">Let</span> <span word="us">us</span> <span word="take">take</span> <span word="am">am</span>. = <span word="Let">Let</span> <span word="usm">usm</span>.</p><p> 2. 定冠词的用法</p><p> (1) 由于上下文的关系, 某名词所指的东西已非常明显, 或已有一定的范围, 该名词应加<span word="the">the</span>。</p><p> <span word="Shut">Shut</span> <span word="the">the</span> <span word="door">door</span>.</p><p> <span word="Please">Please</span> <span word="pass">pass</span> <span word="me">me</span> <span word="the">the</span> <span word="caster">caster</span>.</p><p> (2) 表该名词的总称。</p><p> <span word="The">The</span> <span word="cow">cow</span> <span word="is">is</span> <span word="a">a</span> <span word="useful">useful</span> <span word="animal">animal</span>. (= <span word="Cows">Cows</span> <span word="are">are</span> <span word="useful">useful</span> <span word="animals">animals</span>.)</p><p> (3) 前面已提过的名词，再度提到时前面加<span word="the">the</span>。</p><p> <span word="Once">Once</span> <span word="upon">upon</span> <span word="a">a</span> <span word="time">time</span> <span word="there">there</span> <span word="was">was</span> <span word="a">a</span> <span word="little">little</span> <span word="boy">boy</span> <span word="who">who</span> <span word="lived">lived</span> <span word="in">in</span> <span word="a">a</span> <span word="cottage">cottage</span>.</p>
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