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Study while others are sleeping.
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别人熟睡时你要学习。
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Decide while others are delaying.
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别人拖延时你要做出决定。
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Work while others are wishing.
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别人期望时你要工作。
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b 系动词是指连接主语和表语的动词。系动词中最常见的为be，其他还有很多，详见《系动词和情态动词》一章。
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Today is our only sure possession.
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今天是我们唯一可靠的财产。
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Life is a battle.
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人生是一场战斗。
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When your will is ready, your feet are light.
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意志坚决，脚步轻快。
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Whatever happens, stay calm.
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不论发生什么，都要保持平静。
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c 助动词是指与实义动词连用，表示各种时态、语态、否定和疑问，其本身没有实际含义。助动词主要有三个，分别是：be, do和have (除了作助动词外，be还可以作系动词，do和have还可以作实义动词)。
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A.助动词be
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助动词be有is, am, are, was, were, been和being等形式，在句中可以和实义动词一起构成进行时态和被动语态，如：
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be构成进行时态
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Still I am learning.
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我仍在学习。
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Believe that pleasantness is coming.
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相信吧，愉快的日子正在来临。
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A learning organization is a group of people who are continually enhancing their capability to create their future.
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学习型组织是一群不断加强自身能力、创造未来的人。
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