英语当中动词ing变化有如下几种形式：1.通常在动词末尾直接加ing：go—going、learn—learning
2、已字母e结尾的去e加ing：come—coming、take—taking
3、已ie结尾的变ie为y再加ing：die—dying、tie—tying
4、已一个辅音字母结尾的重读闭音节词，双写辅音字母再加ing：put—putting、begin—beginning
动词ing变化的特殊形式
特殊表达..如: be good at doing sth enjoy doing sth. be busy doing feel like doing thank you for doing do some cooking/cleaning/reading/shopping/washing go swimming/fishing/shopping/skating/boating
