下半年大学英语六级考试语法及词汇精选（8）
<p> 不定式</p><p> 动词不定式是非谓语动词的重要组成部分，在六级考试中非谓语动词部分是一个重点。常跟不定式的动词有 <span word="agree">agree</span>, <span word="fail">fail</span> ， <span word="promise">promise</span> ， <span word="afford">afford</span> ， <span word="ask">ask</span> ， <span word="happen">happen</span> ， <span word="resolve">resolve</span> ， <span word="attempt">attempt</span> . <span word="hesitate">hesitate</span>, <span word="seek">seek</span>, <span word="long">long</span> ， <span word="threaten">threaten</span> ， <span word="claim">claim</span> ， <span word="manage">manage</span> ， <span word="trouble">trouble</span> ,<span word="consent">consent</span>, <span word="neglect">neglect</span>, <span word="try">try</span> ， <span word="decide">decide</span> ， <span word="offer">offer</span> ， <span word="undertake">undertake</span> ， <span word="demand">demand</span> ， <span word="plan">plan</span> . <span word="volunteer">volunteer</span> ， <span word="determine">determine</span> ， <span word="prepare">prepare</span> ， <span word="want">want</span> ， <span word="pretend">pretend</span> ， <span word="wish">wish</span> ， <span word="endeavor">endeavor</span> ， <span word="proceed">proceed</span> ， <span word="struggle">struggle</span> 等，在了解了加 <span word="to">to</span> 的单词之后，我们来看一看在什么情况下单词 <span word="to">to</span> 可以被省略。</p><p> <span word="l">l</span> 、在一般助动词或者情态动词之后 <span word="to">to</span> 可以被省略。</p><p> 2 、在动词 <span word="make">make</span> ， <span word="let">let</span> ， <span word="watch">watch</span> ， <span word="see">see</span> 之后作宾语的时候， <span word="to">to</span> 可以被省略。</p><p> 3 、在 <span word="why">why</span> 和 <span word="why">why</span> <span word="not">not</span> 之后 <span word="to">to</span> 可以被省略，如： <span word="Why">Why</span> <span word="spend">spend</span> <span word="such">such</span> <span word="a">a</span> <span word="lot">lot</span> <span word="of">of</span> <span word="time">time</span>? 为什么花这么多时问 ? 和 <span word="Why">Why</span> <span word="not">not</span> <span word="go">go</span> <span word="right">right</span> <span word="now">now</span>? 为什么 不 现在去呢 ?</p><p> 4 、在 <span word="had">had</span> <span word="better">better</span> ， <span word="had">had</span> <span word="best">best</span> ， <span word="would">would</span> <span word="rather">rather</span> ， <span word="had">had</span> <span word="sooner">sooner</span>, <span word="cannot">cannot</span> <span word="but">but</span> ， <span word="do">do</span> <span word="nothing">nothing</span> <span word="but">but</span> 等结构后面 <span word="to">to</span> 可以被省略。</p><p> 下面 看一道 有关不定式的例题：</p><p> <span word="We">We</span> <span word="sometimes">sometimes</span> <span word="imagine">imagine</span> <span word="a">a</span> <span word="desert">desert</span> <span word="island">island</span> _______<span word="a">a</span> <span word="sort">sort</span> <span word="of">of</span> <span word="paradise">paradise</span> ， <span word="where">where</span> <span word="the">the</span> <span word="sun">sun</span> <span word="always">always</span> <span word="shines">shines</span> .</p><p> <span word="A">A</span> . <span word="to">to</span> <span word="have">have</span> <span word="B">B</span> . <span word="to">to</span> <span word="be">be</span> <span word="C">C</span> . <span word="having">having</span> <span word="D">D</span> . <span word="being">being</span></p><p> 整个句子的意思是，我们有时候把荒岛想象成天堂，那里终日阳光普照。 <span word="imagine">imagine</span> 后面常跟 <span word="to">to</span> <span word="be">be</span>+ 形容词 结构，根据这个知识点，正确答案为 <span word="B">B</span> 。</p>
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