I am playing the piano 的问句是什么

I like playing the piano.变问句 I'm playing in the park的问句是什么? Ken likes playing the piano.(改成问句) i was playing the piano 和i am playing the piano 第一句成立吗 第二句呢 I usually play the piano on the weekend.的问句是什么, playing the piano 中文是什么? No,i am not in the library?的问句是什么? I am going to the hospital的问句是什么 I am Wearing the pink dress.的问句是什么 i piay football and play the piano on sunday .的问句是什么? 直接改间接 Mary said I am good at playing the piano Mary said tha I am a policeman.的问句是什么