2016届高考英语二轮秒杀高中英语重点系列：重点21 现在完成时和现在完成进行时的联系与区别
<p> 现在完成时表示动作已经完成，着重强调现在的影响和结果。现在完成进行时表示的动作不一定已经完成，强调动作的延续性和动作发生时的情景。</p><p> <span word="He">He</span> <span word="has">has</span> <span word="been">been</span> <span word="reading">reading</span> <span word="the">the</span> <span word="book">book</span> <span word="all">all</span> <span word="the">the</span> <span word="morning">morning</span>.</p><p> <span word="He">He</span> <span word="has">has</span> <span word="read">read</span> <span word="the">the</span> <span word="book">book</span>.</p><p> <span word="Liu">Liu</span> <span word="Fang">Fang</span> <span word="has">has</span> <span word="been">been</span> <span word="living">living</span> <span word="in">in</span> <span word="Canada">Canada</span> <span word="since">since</span> <span word="then">then</span>.</p><p> <span word="I">I</span> <span word="have">have</span> <span word="been">been</span> <span word="telling">telling</span> <span word="you">you</span> <span word="to">to</span> <span word="be">be</span> <span word="careful">careful</span> <span word="for">for</span> <span word="weeks">weeks</span>.</p><p> 练习：</p>
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