高二英语语法：不定式
<p> 定义：动词不定式是非谓语动词的一种，它没有人称和数的变化，在句子中不能独立作谓语，但它仍保持动词的特点，既可以有自己的宾语和状语。 <span word="E">E</span>.<span word="g">g</span>. <span word="He">He</span> <span word="want">want</span> <span word="his">his</span> <span word="students">students</span> <span word="to">to</span> <span word="read">read</span> <span word="the">the</span> <span word="book">book</span> <span word="aloud">aloud</span>.</p><p> <span word="A">A</span>．</p><p> 1不定式的构成 （以动词<span word="do">do</span>为例）</p><p> 主动形式 被动形式</p><p> 一般式 <span word="to">to</span> <span word="do">do</span> <span word="to">to</span> <span word="be">be</span> <span word="done">done</span></p><p> 完成式 <span word="to">to</span> <span word="have">have</span> <span word="done">done</span> <span word="to">to</span> <span word="have">have</span> <span word="been">been</span> <span word="done">done</span></p><p> 进行式 <span word="to">to</span> <span word="be">be</span> <span word="doing">doing</span> 无</p><p> 完成进行式 <span word="to">to</span> <span word="have">have</span> <span word="been">been</span> <span word="doing">doing</span> 无</p><p> 2?不定式的意义</p><p> </p><p> 不定式的一般式(<span word="to">to</span> <span word="do">do</span> )</p><p> 一般式表示的动作或状态，发生在谓语动词表示的动作或状态的同时或之后</p><p> <span word="My">My</span> <span word="wish">wish</span> <span word="is">is</span> <span word="to">to</span> <span word="become">become</span> <span word="a">a</span> <span word="doctor">doctor</span></p><p> <span word="He">He</span> <span word="seemed">seemed</span> <span word="to">to</span> <span word="be">be</span> <span word="tired">tired</span>.</p><p> <span word="She">She</span> <span word="stopped">stopped</span> <span word="to">to</span> <span word="have">have</span> <span word="a">a</span> <span word="rest">rest</span>.</p><p> 不定式的被动式 (<span word="to">to</span> <span word="be">be</span> <span word="done">done</span>)</p><p> 当不定式的逻辑主语是这个不定式所表示的动作的承受者时,不定式一般要用被动式.</p><p> <span word="The">The</span> <span word="building">building</span> <span word="to">to</span> <span word="be">be</span> <span word="finished">finished</span> <span word="next">next</span> <span word="month">month</span> <span word="is">is</span> <span word="for">for</span> <span word="our">our</span> <span word="teachers">teachers</span>.</p><p> <span word="I">I</span> <span word="am">am</span> <span word="going">going</span> <span word="to">to</span> <span word="Beijing">Beijing</span>, <span word="I">I</span> <span word="have">have</span> <span word="something">something</span> <span word="to">to</span> <span word="take">take</span> <span word="to">to</span> <span word="my">my</span> <span word="parents">parents</span>, <span word="do">do</span> <span word="you">you</span> <span word="have">have</span> <span word="something">something</span> <span word="to">to</span> <span word="be">be</span> <span word="taken">taken</span> <span word="to">to</span> <span word="your">your</span> <span word="parents">parents</span>?</p><p> 如果谓语表示的动作(情况)发生时, 不定式表示动作正在进行,这时候不定式就要用进行式.（<span word="to">to</span> <span word="be">be</span> <span word="doing">doing</span>）</p>
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