规则动词的词形变化
<p> 规则动词的词形变化</p><p> (1)陈述语气第三人称单数一般现在时形:</p><p> (<span word="a">a</span>)原形动词词尾+-<span word="s">s</span>:</p><p> <span word="help">help</span>(帮助)<span word="helps">helps</span></p><p> <span word="come">come</span>(来)<span word="comes">comes</span></p><p> (<span word="b">b</span>)原形动词词尾<span word="ch">ch</span>,<span word="sh">sh</span>,<span word="o">o</span>,<span word="s">s</span>,<span word="x">x</span>+-<span word="es">es</span>:</p><p> <span word="teach">teach</span>(教)<span word="teaches">teaches</span></p><p> <span word="wash">wash</span>(洗)<span word="washes">washes</span></p><p> <span word="go">go</span>(去)<span word="goes">goes</span></p><p> <span word="kiss">kiss</span>(吻)<span word="kisses">kisses</span></p><p> <span word="fix">fix</span>(安装)<span word="fixes">fixes</span></p><p> (<span word="c">c</span>)原形动词词尾为辅音字母+<span word="y">y</span>时,去<span word="y">y</span>后加-<span word="ies">ies</span>,若是元音字母+<span word="y">y</span>,只加-<span word="s">s</span>:</p><p> <span word="study">study</span>(学习)<span word="studies">studies</span></p><p> <span word="play">play</span>(游戏)<span word="plays">plays</span></p><p> 解说:本项规则的第三人称单数是指句子的主语。例如:</p><p> <span word="I">I</span> <span word="go">go</span> <span word="to">to</span> <span word="school">school</span> <span word="on">on</span> <span word="a">a</span> <span word="bicycle">bicycle</span> <span word="every">every</span> <span word="day">day</span> .</p><p> <span word="You">You</span> <span word="go">go</span> <span word="to">to</span> <span word="school">school</span> <span word="on">on</span> <span word="a">a</span> <span word="bicycle">bicycle</span> <span word="every">every</span> <span word="day">day</span>.</p><p> <span word="She">She</span> <span word="goes">goes</span> <span word="to">to</span> <span word="school">school</span> <span word="on">on</span> <span word="a">a</span> <span word="bicycle">bicycle</span> <span word="every">every</span> <span word="day">day</span>.</p><p> (2)现在分词(也称-<span word="ing">ing</span>形):</p><p> (<span word="a">a</span>)原形动词词尾+-<span word="ing">ing</span>。</p><p> <span word="speakspeaking">speakspeaking</span>(说)</p><p> <span word="studystudying">studystudying</span>(学习)</p><p> <span word="gogoing">gogoing</span>(去)</p><p> (<span word="b">b</span>)原形动词词尾为-<span word="e">e</span>时,去-<span word="e">e</span>后+-<span word="ing">ing</span>。</p><p> <span word="liveliving">liveliving</span>(住)</p><p> <span word="makemaking">makemaking</span>(制造)</p><p> (<span word="c">c</span>)原形动词词尾为-<span word="ie">ie</span>时,先把-<span word="ie">ie</span>改为-<span word="y">y</span>后+-<span word="ing">ing</span>。</p><p> <span word="lielying">lielying</span>(卧,躺)</p><p> <span word="diedying">diedying</span>(死)</p>
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