Elephants like eat ()eat为什么不加ing

like作为动词时,后面既可接不定式,也可接动名词：表示“一时的爱好”时,只可用不定式,不可用动名词.
He would like to dance with us tonight.
表示“经常的爱好”时,不定式或动名词均可用.
He likes to dance.
He likes dancing.
针对经常的爱好而言,对于简单的动作或情况多用动名词,而对于复杂些的事,多用不定式.
He likes dancing.
He likes to work far intio the night.