I am playing the violin.改成一般疑问句?

I am（）.playing football playing the football play football I am practicing playing the violin.有语病吗? I am playing the violin.改成一般疑问句 I am playing the violin.改成一般疑问句? I am playing the violin改成一般疑问句 I am playing the piano 的问句是什么 I am playing footbool in the piayground[改复数句 I am playing the piano now改为一般过去时,十万火急! I'am playing for I'am playing for i was playing the piano 和i am playing the piano 第一句成立吗 第二句呢 I like playing on the piayground.I am in the shoo now.改成否定句. No,I'm not.I am playing the piano now.的问句是什么? I am playing the guitar and the violin well.这句话对否 I am good at playing the guitar and the violon.的同义句 改错 The boys are playing in the street 2 I am from America I am looking at the children _____volleyball.A.plays B.playing C.are playing D.to play I am playing football （对 playing football 提问） I am playing football (in the playground.)对括号里提问