现在完成时 Present perfect
<p>现在完成时是冀教版八年级上的重点内容，现浏览到一些经典整理. 现在完成时的用法，巧计动词的过去时、过去分词</p><p>1 现在完成时 <span word="Present">Present</span> <span word="perfect">perfect</span> 接触一：肯定句式 现在完成时的肯定句式是&<span word="ldquo">ldquo</span>;<span word="have">have</span>（<span word="has">has</span>）＋过去分词。如： ① <span word="We">We</span> <span word="have">have</span> <span word="just">just</span> <span word="finished">finished</span> <span word="our">our</span> <span word="homework">homework</span>． ② <span word="She">She</span> <span word="has">has</span> <span word="gone">gone</span> <span word="home">home</span>． 注意：1）该句式中的<span word="have">have</span>或<span word="has">has</span>是助动词，<span word="has">has</span>用于第三人称单数，其它人称一律用<span word="have">have</span>。 2）该句式中<span word="have">have</span>（<span word="has">has</span>）和过去分词之间可用<span word="just">just</span>插入。 3）把该句式译成汉语时，往往用&<span word="ldquo">ldquo</span>;已经、&<span word="ldquo">ldquo</span>;刚刚、&<span word="ldquo">ldquo</span>;过或&<span word="ldquo">ldquo</span>;了等。 接触二：疑问句式 现在完成时的一般疑问句式是把助动词<span word="have">have</span>或<span word="has">has</span>提到主语之前。如： ③ <span word="Have">Have</span> <span word="you">you</span> <span word="read">read</span> <span word="this">this</span> <span word="story">story</span> <span word="book">book</span> <span word="yet">yet</span>？ 特殊疑问句及反意疑问句结构如下： ④ <span word="What">What</span> <span word="have">have</span> <span word="you">you</span> <span word="done">done</span> <span word="with">with</span> <span word="my">my</span> <span word="bike">bike</span>? ⑤ <span word="You">You</span>'<span word="ve">ve</span> <span word="read">read</span> <span word="this">this</span> <span word="story">story</span> <span word="book">book</span>, <span word="haven">haven</span>'<span word="t">t</span> <span word="you">you</span>?</p>
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