"I play the piano very well"怎么变为肯定句?

"I play the piano very well"怎么变为肯定句? "I play the piano very well"怎么变为否定句? I am sure that you can play the piano very well.(同义句转换） Tom com play the piano and swim well 改为一般疑问句,否定句,做肯定回答 Do you often play the piano?(变为肯定问句) 改为同义句kate could play the piano very well at the age of six. I ()play the piano and Yang Ling plays the guitar very well. My sister can play the piano very well(如何改同义句) She can play the piano very well(改为同义句） 同义句转换：He could play the piano very well when he was only fiv I can’t play the piano very well.N---- can Jack I think I can play the piano.（变为否定句）