初中英语时态知识点：一般现在时动词变化规则
<p> 只有主语在第三人称单数时用动词的三单形式，</p><p> 其他人称用动词原形。</p><p> ★ 动词三单形式的变化规则：</p><p> 1.(1)多数直接在动词词尾加-<span word="s">s</span>.</p><p> <span word="play">play</span> - <span word="plays">plays</span> <span word="like">like</span> - <span word="likes">likes</span></p><p> <span word="ask">ask</span>---<span word="asks">asks</span> <span word="work">work</span>---<span word="works">works</span> <span word="get">get</span>---<span word="gets">gets</span> <span word="call">call</span>---<span word="calls">calls</span></p><p> (2)以字母<span word="s">s</span>, <span word="x">x</span>, <span word="ch">ch</span>, <span word="sh">sh</span>或<span word="o">o</span>结尾的动词，在词尾直接加-<span word="es">es</span>.</p><p> <span word="watch">watch</span>---<span word="watches">watches</span> <span word="wish">wish</span>---<span word="wishes">wishes</span> <span word="do">do</span>---<span word="does">does</span> <span word="go">go</span>---<span word="goes">goes</span></p><p> (3)以辅音字母加 - <span word="y">y</span>结尾的动词，要先变<span word="y">y</span>为<span word="i">i</span>再加-<span word="es">es</span>.</p><p> <span word="try">try</span>---<span word="tries">tries</span> <span word="study">study</span>---<span word="studies">studies</span> <span word="cry">cry</span>---<span word="cries">cries</span> <span word="fly">fly</span>---<span word="flies">flies</span></p><p> 2.不规则变化：<span word="be">be</span>---- <span word="is">is</span> <span word="have">have</span>----<span word="has">has</span></p>
页:
[1]