英语语法小窍门：如何辨别英语时态
<p>一、根据时间状语与时态的对应关系 动词特定的时态常常与特定的时间状语联系在一起，如由<span word="this">this</span> <span word="time">time</span> <span word="yesterday">yesterday</span>可知用过去进行时;由<span word="so">so</span> <span word="far">far</span>, <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> <span word="three">three</span> <span word="years">years</span>, <span word="till">till</span> <span word="now">now</span>可知要用完成时，等等。</p><p><span word="At">At</span> <span word="this">this</span> <span word="time">time</span> <span word="tomorrow">tomorrow</span> ______ <span word="over">over</span> <span word="the">the</span> <span word="Atlantic">Atlantic</span>.</p><p><span word="A">A</span>.<span word="we">we</span>’<span word="re">re</span> <span word="going">going</span> <span word="to">to</span> <span word="fly">fly</span> <span word="B">B</span>. <span word="we">we</span>’<span word="ll">ll</span> <span word="be">be</span> <span word="flying">flying</span> <span word="C">C</span>. <span word="we">we</span>’<span word="ll">ll</span> <span word="fly">fly</span> <span word="D">D</span>. <span word="we">we</span>’<span word="re">re</span> <span word="to">to</span> <span word="fly">fly</span></p><p>解析：由时间状语<span word="at">at</span> <span word="this">this</span> <span word="time">time</span> <span word="tomorrow">tomorrow</span>可知用将来进行时，故选<span word="B">B</span>。</p><p>二、固定句型与动词时态间的对应关系 在英语中，不少句型与一些动词在时态的运用方面都存在着特定的对应关系，</p><p>1.在“祈使句+<span word="and">and</span>/<span word="or">or</span>+陈述句”句型中，陈述句中用<span word="will">will</span>表示的一般将来时;</p><p>2.在<span word="This">This</span>/如<span word="That">That</span>/<span word="It">It</span> <span word="is">is</span> <span word="t">t</span> <span word="he">he</span> <span word="second">second</span> <span word="time">time</span> <span word="that">that</span>…句型中用现在完成时，若<span word="is">is</span>改为<span word="was">was</span>，就用过去完成时;</p><p>3.在<span word="no">no</span> <span word="soon">soon</span> <span word="er">er</span>…<span word="than">than</span>…和<span word="hardly">hardly</span>…<span word="when">when</span>…句型中，前面常用过去完成时，<span word="when">when</span>/<span word="than">than</span>后的句子用一般过去时;</p><p>4.<span word="was">was</span>/<span word="were">were</span> <span word="about">about</span> <span word="to">to</span> <span word="do">do</span>…<span word="when">when</span>…或<span word="was">was</span>/<span word="were">were</span> <span word="doing">doing</span>…<span word="when">when</span>…或<span word="was">was</span>/<span word="were">were</span> <span word="on">on</span> <span word="the">the</span> <span word="point">point</span> <span word="of">of</span> <span word="doing">doing</span>…<span word="when">when</span>…句型中，<span word="when">when</span>分句的谓语动词用一般过时;</p><p>5.在一个含有时间状语从句的主从复合句中，如果主从句的谓语动词都是过去发生的动作，一般来说，表示短暂性动作的动词用一般过去时，表示持续性动作的动词用过去进行时;等等。</p>
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