初中英语语法分析总结
<p> 11.1 一般现在时的用法</p><p> 1) 经常性或习惯性的动作，常与表示频度的时间状语连用。时间状语： <span word="every">every</span>， <span word="sometimes">sometimes</span>， <span word="at">at</span>， <span word="on">on</span> <span word="Sunday">Sunday</span>。例如：</p><p> <span word="I">I</span> <span word="leave">leave</span> <span word="home">home</span> <span word="for">for</span> <span word="school">school</span> <span word="at">at</span> 7 <span word="every">every</span> <span word="morning">morning</span>. 每天早上我七点离开家。</p><p> 2) 客观真理，客观存在，科学事实。例如：</p><p> <span word="The">The</span> <span word="earth">earth</span> <span word="moves">moves</span> <span word="around">around</span> <span word="the">the</span> <span word="sun">sun</span>. 地球绕太阳转动。</p><p> <span word="Shanghai">Shanghai</span> <span word="lies">lies</span> <span word="in">in</span> <span word="the">the</span> <span word="east">east</span> <span word="of">of</span> <span word="China">China</span>. 上海位于中国东部。</p><p> 3) 表示格言或警句。例如：</p><p> <span word="Pride">Pride</span> <span word="goes">goes</span> <span word="before">before</span> <span word="a">a</span> <span word="fall">fall</span>. 骄者必败。</p><p> 注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。</p><p> 例：<span word="Columbus">Columbus</span> <span word="proved">proved</span> <span word="that">that</span> <span word="the">the</span> <span word="earth">earth</span> <span word="is">is</span> <span word="round">round</span>. 哥伦布证实了地球是圆的。</p><p> 4) 现在时刻的状态、能力、性格、个性。例如：</p><p> <span word="I">I</span> <span word="dont">dont</span> <span word="want">want</span> <span word="so">so</span> <span word="much">much</span>. 我不要那么多。</p><p> <span word="Ann">Ann</span> <span word="writes">writes</span> <span word="good">good</span> <span word="English">English</span> <span word="but">but</span> <span word="does">does</span> <span word="not">not</span> <span word="speak">speak</span> <span word="well">well</span>.</p><p> 安英语写得不错，讲的可不行。</p><p> 比较：<span word="Now">Now</span> <span word="I">I</span> <span word="put">put</span> <span word="the">the</span> <span word="sugar">sugar</span> <span word="in">in</span> <span word="the">the</span> <span word="cup">cup</span>. 把糖放入杯子。</p><p> <span word="I">I</span> <span word="am">am</span> <span word="doing">doing</span> <span word="my">my</span> <span word="homework">homework</span> <span word="now">now</span>. 我正在做功课。</p><p> 第一句用一般现在时，用于操作演示或指导说明的示范性动作，表示言行的瞬间动作。第二句中的<span word="now">now</span>是进行时的标志，表示正在进行的动作的客观状况，所以后句用一般现在时。</p>
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