He can play the piano.play不加S 是因为它不是谓语动词还是因为can是情态动词 或者两个猜想都是对的？

the boy can play the pian【用now改成现在进行时】 He can't play the piano.是什么意思 He can play (the guitar)括号提问 改被动Can he play the violin He is ()your pian because he thinks the pian is not suitanle for him. He can play the piano.I can play the piano,too.(改为同义句为）He can play the piano.( )( )( ).( )he( )I can play the piano. can he play the guitar?can he play the piano?(改为选择疑问句) play. the. chess. he. violin. can.play. the. chess. he. violin. can. and造句 请问 Does he can play the guitar 与 He can play the guitar 有什么不同? He thinks he can play the erhu 改为否定句 He is a _____man.He can play the _______instruments. 他会拉二胡he can play erhu 还是 he can play the erhu 权威的 Tom can play the drums.He can't play the trumpet.用but连成一句话 J ack can play the drum.He can’t play the guitar.(合并成一句） he can play等于? Can Frank play the violin?Yes.He can____play the drums. He sister can play the guitar对the guitar提问 He can play the violin对 the violin提问