相似词语辨析【105】need（普通动词），need（情态动词）
<p> <span word="need">need</span>（普通动词），<span word="need">need</span>（情态动词）</p><p> 这一对词的用法和区别与<span word="dare">dare</span>（请参阅该节）大体相同。<span word="need">need</span>的意义是需要、必须，既可用作普通动词，又可用作情态动词。</p><p> 作普通动词时，它有各种时态形式的变化；第三人称单数现在时要加-<span word="s">s</span>；与带<span word="to">to</span>的不定式连用。如：</p><p> <span word="The">The</span> <span word="pen">pen</span> <span word="needs">needs</span> <span word="mending">mending</span>．</p><p> 这支钢笔需要修理。</p><p> <span word="Does">Does</span> <span word="she">she</span> <span word="need">need</span> <span word="to">to</span> <span word="go">go</span> <span word="to">to</span> <span word="the">the</span> <span word="club">club</span>？</p><p> 她必须去俱乐部吗？</p><p> <span word="She">She</span> <span word="does">does</span> <span word="not">not</span> <span word="need">need</span> <span word="to">to</span> <span word="go">go</span> <span word="there">there</span> <span word="at">at</span> <span word="present">present</span>．</p><p> 现在她不必去那里。</p><p> 作情态动词时，没有过去形式；第三人称单数现在时不加-<span word="s">s</span>；不用在肯定句里，只用于疑问句和否定句；与不带<span word="to">to</span>的不定式连用；如：</p><p> <span word="Need">Need</span> <span word="she">she</span> <span word="go">go</span> <span word="now">now</span>？</p><p> 她必须现在去吗？</p><p> <span word="She">She</span> <span word="need">need</span> <span word="not">not</span> <span word="come">come</span> <span word="to">to</span> <span word="school">school</span> <span word="at">at</span> <span word="present">present</span>．</p><p> 她现在不必来学校。</p><p> <span word="Mary">Mary</span> <span word="need">need</span> <span word="not">not</span> <span word="have">have</span> <span word="done">done</span> <span word="it">it</span>．</p><p> 玛丽本来不必去做那件事。（言外之意是：她已经做了）</p><p> 请注意下列句子的不同涵义：</p><p> <span word="We">We</span> <span word="didnt">didnt</span> <span word="need">need</span> <span word="to">to</span> <span word="go">go</span>．</p><p> 我们没有必要去。（所以也就没有去）</p><p> <span word="We">We</span> <span word="neednt">neednt</span> <span word="have">have</span> <span word="gone">gone</span>．</p><p> （其实）我们是没有必要去的。（但事实上已去过了）</p>
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