动词ING 作主语和宾语成分时做名词用,称做动名词.ING做主语时：Working here is happy.ING做宾语时：I like cooking.动词ING做定语,即用来修饰主语、宾语时可以做形容词,不过一般情况下,我们都叫作定语,而不叫形容词...