陈述句,一般现在时态.当主语是第三人称单数时 (it,she,he),后面的动词需加s 或es.如果主语是第一人称 I,第二人称 YOU 和第三人称 复数时 They,后面动词不变.
例： he works hard.他工作努力 （他是第三人称单数）
you work hard.
they work hard (第三人称复数）
he works hard.中work为什么加s?
3个回答
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