求以y结尾的动词-ing形式变化规律

现在分词的构成方法如下 ： 一般情况下,直接在动词原形后面加 -ing。
going asking finding working being seeing printing raining standing studying speaking spelling
以不发音的-e 结尾的动词,去-e ,再加-ing。 coming taking firing encircling writing becoming breathing leaving
闭音节的单音节词,或以重读闭音节结尾的多音节词,这些词的末尾只有一个辅音字母时,双写这个辅音字母,再加 -ing。
sitting running getting cutting stopping beginning planning permitting
求以y结尾的动词-ing形式没什么特殊的变化,直接加ing