高考英语考点：不定式
<p> 高考英语考点不定式的全称是&<span word="ldquo">ldquo</span>;动词不定式，是一种非限定动词，由不定式符号<span word="to">to</span>+动词原形构成。不定式具有动词的特征，同时也有名词、形容词和副词的特征。</p><p> 不定词的简单式由<span word="to">to</span>+原形动词构成,其动作与主要动词同时发生,或发生在主要动词之后。</p><p> <span word="I">I</span> <span word="am">am</span> <span word="glad">glad</span> <span word="to">to</span> <span word="see">see</span> <span word="you">you</span>.</p><p> 我见到你很高兴。</p><p> <span word="He">He</span> <span word="promised">promised</span> <span word="to">to</span> <span word="raise">raise</span> <span word="money">money</span> <span word="for">for</span> <span word="us">us</span>.</p><p> 他答应为我们筹备款项。</p><p> <span word="blame">blame</span>, <span word="seek">seek</span>的不定词形式通常用主动形式表示被动意思。</p><p> <span word="The">The</span> <span word="evidence">evidence</span> <span word="is">is</span> <span word="not">not</span> <span word="far">far</span> <span word="to">to</span> <span word="seek">seek</span>.</p><p> 证据不难找到。</p><p> 不定词的进行式由<span word="to">to</span>+<span word="be">be</span>+现在分词构成，表示在主要动词的动作发生时，不定词的动作正在进行之中。</p><p> <span word="He">He</span> <span word="must">must</span> <span word="pretend">pretend</span> <span word="to">to</span> <span word="be">be</span> <span word="sleeping">sleeping</span>.</p><p> 他一定在假装睡觉。</p><p> 不定词的完成式由<span word="to">to</span>+<span word="have">have</span>+过去分词构成，表示不定词的动作发生在主要动词之前。</p><p> <span word="I">I</span> <span word="am">am</span> <span word="sorry">sorry</span> <span word="to">to</span> <span word="have">have</span> <span word="kept">kept</span> <span word="you">you</span> <span word="waiting">waiting</span> <span word="for">for</span> <span word="long">long</span>.</p><p> 很抱歉让你们久等了。</p><p> 不定词的被动语态的基本形式是<span word="to">to</span>+<span word="be">be</span>+过去分词。</p><p> <span word="The">The</span> <span word="meeting">meeting</span> <span word="to">to</span> <span word="be">be</span> <span word="held">held</span> <span word="tomorrow">tomorrow</span> <span word="is">is</span> <span word="very">very</span> <span word="important">important</span>.</p><p> 明天要开的会是很重要的。</p>
页:
[1]