有一英文片語---be good at擅長於...
所放在句子中遇到一般動詞.那麼一班動詞需要變成V+ing嗎?
我有一點搞不懂因為有的要/有的不要
EX:
1.what is John good at?/He is good at playing dodge ball.
2.KEVIN不擅長唱歌.但是他跳舞跳的很好
Kevin isn't good at sings,buthe dances well.
請詳解