初中英语构词法汇总及练习(二)
<p> 在词根前面加前缀或在词根后面加后缀构成一个与原单词意义相近或截然相反的新词叫作派生法。</p><p> 1)前缀</p><p> 除少数前缀外,前缀一般改变单词的意义,不改变词性;后缀一般改变词类,而不引起词义的变化。</p><p> (1)表示否定意义的前缀常用的有<span word="dis">dis</span>-, <span word="il">il</span>-, <span word="im">im</span>-, <span word="in">in</span>-, <span word="ir">ir</span>-, <span word="mis">mis</span>-, <span word="non">non</span>-, <span word="un">un</span>-等,在单词的前面加这类前缀常构成与该词意义相反的新词。例如:</p><p> <span word="appear">appear</span>出现<span word="disappear">disappear</span>消失</p><p> <span word="correct">correct</span>正确的<span word="incorrect">incorrect</span>不正确的</p><p> <span word="lead">lead</span>带领<span word="mislead">mislead</span>领错</p><p> <span word="stop">stop</span>停下<span word="non">non</span>-<span word="stop">stop</span>不停</p><p> (2)表示其他意义的前缀常用的有<span word="a">a</span>-(多构成表语形容词), <span word="anti">anti</span>- (反对;抵抗), <span word="auto">auto</span>- (自动), <span word="co">co</span>- (共同), <span word="en">en</span>- (使), <span word="inter">inter</span>- (互相), <span word="re">re</span>- (再;又), <span word="sub">sub</span>- (下面的;次;小), <span word="tele">tele</span>- (强调距离)等。例如:</p><p> <span word="alone">alone</span>单独的<span word="antigas">antigas</span>防毒气的</p><p> <span word="autochart">autochart</span>自动图表</p><p> <span word="cooperate">cooperate</span>合作<span word="enjoy">enjoy</span>使高兴</p><p> <span word="internet">internet</span>互联网<span word="reuse">reuse</span>再用</p><p> <span word="subway">subway</span>地铁<span word="telephone">telephone</span>电话</p><p> 2)后缀</p><p> 英语单词不仅可以通过加前缀构成新词,也可加后缀构成新词。后缀通常会改变单词的词性,构成意义相近的其他词性;少数后缀还会改变词义,变为与原来词义相反的新词。</p>
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