过去时还可以表示将来时间
<p>与我们的汉语相比，英语最为明显的一个特征就是随着时态不断变化的动词形式。以过去时为例，汉语只有用一个“了”或者“过了”就可以表示，如“我吃过饭了”。但英语必须以“<span word="I">I</span> <span word="had">had</span> <span word="a">a</span> <span word="meal">meal</span>”或者是“<span word="I">I</span> <span word="have">have</span> <span word="had">had</span> <span word="a">a</span> <span word="meal">meal</span>”来表示。因此，英语中，我们往往要根据事件发生的时间来判断句子时态，从而确定句子谓语动词的形式。一般而言，一般过去时表示过去时间。主要用来：</p><p>1. 表示在特定过去时间中一次完成的动作或一度存在的状态：</p><p><span word="I">I</span> <span word="went">went</span> <span word="to">to</span> <span word="Beijing">Beijing</span> <span word="last">last</span> <span word="year">year</span>. 我去年去了北京。</p><p>2. 表示过去的习惯动作：</p><p><span word="He">He</span> <span word="worked">worked</span> <span word="in">in</span> <span word="a">a</span> <span word="factory">factory</span> <span word="all">all</span> <span word="his">his</span> <span word="life">life</span>. 他在工厂工作了一辈子。</p><p>然而，我们是不是就可以想当然地认为，只要句子是过去时，是不是表明该事件就发生在过去?其实不然，过去时还可以表示现在时间和将来时间。主要用于以下情况：</p><p>1. 表示委婉语气：</p><p><span word="Could">Could</span> <span word="you">you</span> <span word="help">help</span> <span word="me">me</span>? 你能帮我吗?</p><p>2. 表示主观设想：</p><p>1)用在<span word="It">It</span>’<span word="s">s</span> <span word="time">time</span>..., <span word="I">I</span> <span word="wish">wish</span>...和<span word="I">I</span> <span word="would">would</span> <span word="rather">rather</span> 后的<span word="that">that</span> 从句中：</p><p><span word="It">It</span> <span word="is">is</span> <span word="time">time</span> <span word="you">you</span> <span word="went">went</span> <span word="to">to</span> <span word="sleep">sleep</span>. 到了你睡觉的时候了。</p><p><span word="I">I</span> <span word="wish">wish</span> <span word="you">you</span> <span word="lived">lived</span> <span word="with">with</span> <span word="us">us</span>. 我希望你跟我们住一起。</p><p><span word="I">I</span> <span word="would">would</span> <span word="rather">rather</span> <span word="you">you</span> <span word="were">were</span> <span word="not">not</span> <span word="here">here</span> <span word="now">now</span>. 我宁愿你现在不在这儿。</p>
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