是do sth.well 还是doing sth.well在这个句子中：是He finds he can play the piano well.还是He finds he can playing the piano well.

give up是 doing还是do sth? 是mind to do sth还是mind doing sth? worry about 是doing sth还是to do sth 到底是learn to do sth还是learn doing sth 是 stand doing sth.还是stand to do sth 是finish to do sth还是finish doing sth find sth+do还是doing,是find+sth不是sb 是busy doing sth.还是busy to do sth. 是THINK ABOUT DO STH,还是 THINK ABOUT DOING STH? be afraid of 是doing sth还是do sth 是finish doing sth.还是finish to do sth, why not后面是doing sth还是 to do sth 是why not do sth.还是why not doing sth. 是help do sth还是help doing sth? 请问是decide to do sth 还是 decide doing sth? 是i don't like do sth 还是doing sth? 是must doing sth 还是to do sth? 是Let to do sth还是 Let doing sth?