你知道如何用一般过去时代替完成时吗?
<p>1) 两个动作如按顺序发生，又不强调先后，或用<span word="then">then</span>，<span word="and">and</span>，<span word="but">but</span> 等连词时，多用一般过去时。</p><p><span word="When">When</span> <span word="she">she</span> <span word="saw">saw</span> <span word="the">the</span> <span word="mouse">mouse</span>，<span word="she">she</span> <span word="screamed">screamed</span>.</p><p><span word="My">My</span> <span word="aunt">aunt</span> <span word="gave">gave</span> <span word="me">me</span> <span word="a">a</span> <span word="hat">hat</span> <span word="and">and</span> <span word="I">I</span> <span word="lost">lost</span> <span word="it">it</span>.</p><p>2 ) 两个动作相继发生，可用一般过去时;如第一个动作需要若干时间完成，用过去完成时。</p><p><span word="When">When</span> <span word="I">I</span> <span word="heard">heard</span> <span word="the">the</span> <span word="news">news</span>, <span word="I">I</span> <span word="was">was</span> <span word="very">very</span> <span word="excited">excited</span>.</p><p>3) 叙述历史事实，可不用过去完成时，而只用一般过去时。</p><p><span word="Our">Our</span> <span word="teacher">teacher</span> <span word="told">told</span> <span word="us">us</span> <span word="that">that</span> <span word="Columbus">Columbus</span> <span word="discovered">discovered</span> <span word="America">America</span> <span word="in">in</span> 1492.</p>
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