英语疑问：he was teaching painting与he was taught painting 的区别

Billy started painting when he was four years old.When he wa Mike began painting when he was five years old,and when he w Jimmy started painting when he was four years old.When he wa He thought the painting was of little ( ),so he let me have He likes painting 改为现在完成时：Jack began to learn painting when he was seven. 英语翻译Jimmy started painting when he was three years old;and w obviously he was painting the pictures.这里面副词是个什么用法? 英语翻译Mike began painting when he was five years old,and when he is gone 与 he was gone 的区别 翻译：the painting was a turner... painting