goes是go的第三人称单数形式,是行为动词一般现在时态中的一种 特有 形式.为什么说特有?

正常的变化形式:
breaks breaking,buys buying,eats eating,falls falling,feeds feeding,finds finding,holds holding,keeps keeping,meets meeting,reads reading,says saying,
单三加es的:
catches,catching,does doing,teaches,teaching,goes going,
现在分词去e,加ing的:
comes coming,gives giving,makes making,shakes shaking,
现在分词最后字母重复的:
gets getting,runs running,shuts shutting,sits sitting,
单三形式特殊的:
has having,
go的三单是：goes