Does your brother often play the piano 的否定肯定句是什么?

Does your brother often play the piano 的否定肯定句是什么? Does your brother often play the piano ?的否定句是什么 Helen often play the piano at the weekensds一般疑问句的否定句 does your brother often watch football?作否定回答是什么? Does your character play the piano? My brother often plays the piano.的一般疑问句是什么? Your brother does homework in the evening.改为否定句 Tom com play the piano and swim well 改为一般疑问句,否定句,做肯定回答 Helen often play the piano at the weekends改为否定句 she can play the piano否定句 Do you often play the piano?(变为肯定问句) 连词成句：1.play,brother,the,your,guitar,can2.can't,he,piano