高考英语配套教学课件 Understanding each other 专题语法攻略（十八）there be 句型 译林版选修6
<p> [祈使句] 1.一般情况下，祈使句常省略主语，有时也可以保留主语，</p><p> 常用逗号隔开，置于句首或句末，用在加强语气或特别指</p><p> 明向谁发出命令或要求时，或表达“不高兴，厌烦”等情</p><p> 绪时。</p><p> <span word="Tom">Tom</span>，<span word="you">you</span> <span word="clean">clean</span> <span word="the">the</span> <span word="blackboard">blackboard</span>！汤姆，你去擦黑板！</p><p> <span word="You">You</span>，<span word="girls">girls</span>，<span word="clean">clean</span> <span word="the">the</span> <span word="desks">desks</span>，<span word="you">you</span>，<span word="boys">boys</span>，<span word="sweep">sweep</span> <span word="the">the</span> <span word="floor">floor</span>.</p><p> 你们女生擦桌子，你们男生扫地。</p><p> <span word="You">You</span> <span word="go">go</span> <span word="away">away</span>！你给我滚开！ 祈使句的主语除了用“<span word="you">you</span>”外，还可用“<span word="everybody">everybody</span>，<span word="everyone">everyone</span>，<span word="somebody">somebody</span>，<span word="someone">someone</span>”等，它们的位置可以放在句首，也可放在句末；放在句首时，即使不用逗号与谓语部分分开，谓语部分也不受“第三人称跟一般现在时单数”的影响。 <span word="Everybody">Everybody</span> <span word="sit">sit</span> <span word="down">down</span>，<span word="please">please</span>！大家都坐下！ <span word="Be">Be</span> <span word="quiet">quiet</span>，<span word="everyone">everyone</span>！大家静下来！ 祈使句的主语除了用“<span word="you">you</span>”外，还可用“<span word="everybody">everybody</span>，<span word="everyone">everyone</span>，<span word="somebody">somebody</span>，<span word="someone">someone</span>”等，它们的位置可以放在句首，也可放在句末；放在句首时，即使不用逗号与谓语部分分开，谓语部分也不受“第三人称跟一般现在时单数”的影响。 <span word="Everybody">Everybody</span> <span word="sit">sit</span> <span word="down">down</span>，<span word="please">please</span>！大家都坐下！ <span word="Be">Be</span> <span word="quiet">quiet</span>，<span word="everyone">everyone</span>！大家静下来！ 3.在“祈使句＋<span word="and">and</span>/<span word="then">then</span>＋陈述句”句型中，<span word="and">and</span>前面的祈使</p><p> 句有时可用一个名词性短语代替。</p>
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