2016届高考英语二轮秒杀高中英语重点系列：重点22 现在完成时、过去完成时和一般过去时态的联系与区别
<p> 一般说来，现在完成时表示过去发生的动作对现在产生的影响和结果，着重点在现在。过去完成时表示过去某一时间或动作之前发生的另一动作或状态，即“过去的过去”，必须有一个具体的过去时间或动作来支撑，强调对比。一般过去时只表示过去发生了某一动作，与现在没有联系，并且有明显的时间间隔。</p><p> 例如：</p><p> 1.<span word="He">He</span> <span word="had">had</span> <span word="learned">learned</span> <span word="more">more</span> <span word="than">than</span> 5,000 <span word="English">English</span> <span word="words">words</span> <span word="when">when</span> <span word="he">he</span> <span word="entered">entered</span> <span word="the">the</span> <span word="university">university</span> <span word="at">at</span> <span word="the">the</span> <span word="age">age</span> <span word="of">of</span> 15?</p><p> 2.<span word="Years">Years</span> <span word="ago">ago</span> <span word="we">we</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="know">know</span> <span word="this">this</span>, <span word="but">but</span> <span word="recent">recent</span> <span word="science">science</span> <span word="has">has</span> <span word="shown">shown</span> <span word="that">that</span> <span word="people">people</span> <span word="who">who</span> <span word="don">don</span>'<span word="t">t</span> <span word="sleep">sleep</span> <span word="well">well</span> <span word="soon">soon</span> <span word="get">get</span> <span word="ill">ill</span>.</p><p> 3.<span word="The">The</span> <span word="policeman">policeman</span>'<span word="s">s</span> <span word="attention">attention</span> <span word="was">was</span> <span word="suddenly">suddenly</span> <span word="caught">caught</span> <span word="by">by</span> <span word="a">a</span> <span word="small">small</span> <span word="box">box</span> <span word="which">which</span> <span word="had">had</span> <span word="been">been</span> <span word="placed">placed</span> <span word="under">under</span> <span word="the">the</span> <span word="Minister">Minister</span>'<span word="s">s</span> <span word="car">car</span>.</p><p> 4.<span word="When">When</span> <span word="the">the</span> <span word="old">old</span> <span word="man">man</span> <span word="started">started</span> <span word="to">to</span> <span word="walk">walk</span> <span word="back">back</span> <span word="to">to</span> <span word="his">his</span> <span word="house">house</span>, <span word="the">the</span> <span word="sun">sun</span> <span word="had">had</span> <span word="already">already</span> <span word="hidden">hidden</span> <span word="itself">itself</span> <span word="behind">behind</span> <span word="the">the</span> <span word="mountain">mountain</span>.</p><p> 5.<span word="He">He</span> <span word="was">was</span> <span word="hoping">hoping</span> <span word="to">to</span> <span word="go">go</span> <span word="abroad">abroad</span> <span word="but">but</span> <span word="his">his</span> <span word="parents">parents</span> <span word="have">have</span> <span word="decided">decided</span> <span word="that">that</span> <span word="they">they</span> <span word="won">won</span>’<span word="t">t</span> <span word="support">support</span> <span word="him">him</span> <span word="unless">unless</span> <span word="he">he</span> <span word="can">can</span> <span word="borrow">borrow</span> <span word="money">money</span> <span word="from">from</span> <span word="the">the</span> <span word="bank">bank</span>.</p><p> 6.—</p><p> <span word="If">If</span> <span word="the">the</span> <span word="traffic">traffic</span> <span word="hadn">hadn</span>'<span word="t">t</span> <span word="been">been</span> <span word="so">so</span> <span word="heavy">heavy</span>, <span word="I">I</span> <span word="could">could</span> <span word="have">have</span> <span word="been">been</span> <span word="back">back</span> <span word="by">by</span> 6 <span word="o">o</span>'<span word="clock">clock</span>.</p><p> —</p><p> <span word="What">What</span> <span word="a">a</span> <span word="pity">pity</span>! <span word="Tina">Tina</span> <span word="was">was</span> <span word="here">here</span> <span word="to">to</span> <span word="see">see</span> <span word="you">you</span>.</p><p> 练习：</p>
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