精选优质文档-倾情为你奉上动词ing形式的用法及变化规则一动词ing形式的用法1.正在进行时中,谓语动词后加ing.如:Im playing football.2.一些特殊表达.如:be good at doing sthenjoy doing sth.be busy doingfeel like doingthank you for doingdo some cooking/cleaning/reading/shopping/washinggo swimming/fishing/shopping/skating/boating二动词现在分词由动词原形在词尾加ing构成,其规则如下:1)一般情况下直接加ingthink-thinkingsleep-sleeping